Tecumseh L-Head Engine Repair Manual 3 To 11 HP

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TECUMSEH

T E C H N I C I A N ' S H A N D B O O K

This manual covers engine models:

ECV100 - 120, H22 - 80, HH40 - 70, HHM80, HM70 - 100,

HMSK70 - 110, HMXL70, HS40 - 50, HSK30 - 70, HSSK40 - 50,

HT30 - 35, HXL35, LAV30 - 50, LEV80 - 120, TNT100 - 120,

TVM125 - 220, TVXL170 - 220, TVS75 - 120, TVXL105 - 115,

V40 - 80, VH40 - 70, V60 - 70, VM70 - 100

Model numbers are located on the engine shroud.

TO 11 HP

-CYCLE

L-HEAD

ENGINES

CONTENTS

CHAPTER 1 GENERAL INFORMATION ........................................................................................................ 1

ENGINE IDENTIFICATION .............................................................................................................................. 1

INTERPRETATION OF MODEL NUMBER ...................................................................................................... 1

SHORT BLOCKS ............................................................................................................................................. 2

FUEL ................................................................................................................................................................ 2

ENGINE OIL .................................................................................................................................................... 3

TUNE-UP PROCEDURE ................................................................................................................................. 3

STORAGE ........................................................................................................................................................ 4

CHAPTER 2 AIR CLEANERS ....................................................................................................................... 5

GENERAL INFORMATION .............................................................................................................................. 5

OPERATION .................................................................................................................................................... 5

COMPONENTS ............................................................................................................................................... 5

TROUBLESHOOTING OR TESTING .............................................................................................................. 5

SERVICE ......................................................................................................................................................... 6

DISASSEMBLY PROCEDURE ........................................................................................................................ 6

POLYURETHANE-TYPE FILTER ELEMENT .................................................................................................. 6

PAPER-TYPE FILTER ELEMENT ................................................................................................................... 6

CHAPTER 3 CARBURETORS AND FUEL SYSTEMS .................................................................................. 7

GENERAL INFORMATION .............................................................................................................................. 7

OPERATION .................................................................................................................................................... 8

FUEL PRIMERS ............................................................................................................................................... 8

IMPULSE FUEL PUMPS ................................................................................................................................. 9

FLOAT STYLE CARBURETORS ..................................................................................................................... 9

DIAPHRAGM (PRESSURE DIFFERENTIAL) CARBURETORS ..................................................................... 9

COMPONENTS ............................................................................................................................................. 10

CARBURETOR IDENTIFICATION ................................................................................................................ 11

DUAL SYSTEM CARBURETORS ................................................................................................................. 11

SERIES 1 CARBURETORS .......................................................................................................................... 11

SERIES 3 & 4 CARBURETORS .................................................................................................................... 11

DIAPHRAGM CARBURETORS ..................................................................................................................... 11

SERIES 6 CARBURETORS 4-CYCLE .......................................................................................................... 12

SERIES 8 ....................................................................................................................................................... 12

SERIES 9 ....................................................................................................................................................... 12

SERIES 10 (EMISSION)................................................................................................................................ 12

NON-TECUMSEH CARBURETORS -- DELLORTO CARBURETOR .......................................................... 12

ENGINE TROUBLESHOOTING CHART....................................................................................................... 13

CARBURETION TROUBLESHOOTING CHART .......................................................................................... 14

TESTING ....................................................................................................................................................... 15

SERVICE ....................................................................................................................................................... 15

CARBURETOR PRE-SETS AND ADJUSTMENTS ...................................................................................... 15

FINAL ADJUSTMENTS (NON-EMISSION ENGINES).................................................................................. 16

NON-ADJUSTABLE CARBURETOR ............................................................................................................. 16

DISASSEMBLY PROCEDURE ...................................................................................................................... 17

FLOAT STYLE CARBURETORS ................................................................................................................... 17

DIAPHRAGM CARBURETORS ..................................................................................................................... 19

FLOAT ADJUSTING PROCEDURE .............................................................................................................. 19

INSPECTION ................................................................................................................................................. 20

ASSEMBLY .................................................................................................................................................... 21

STANDARD SERVICE CARBURETORS ...................................................................................................... 24

CHAPTER 4 GOVERNORS AND LINKAGE ................................................................................................ 26

GENERAL INFORMATION ............................................................................................................................ 26

OPERATION .................................................................................................................................................. 26

INTERNAL COMPONENTS (VARIOUS STYLES) ........................................................................................ 26

TROUBLESHOOTING ................................................................................................................................... 26

ENGINE OVERSPEEDING ........................................................................................................................... 27

ENGINE SURGING ....................................................................................................................................... 27

SERVICE ....................................................................................................................................................... 27

GOVERNOR ADJUSTMENT ......................................................................................................................... 27

GOVERNOR ADJUSTMENT PROCEDURE FOR SHORT BLOCK INSTALLATIONS ................................. 27

Tecumseh Products Company

998

GOVERNOR GEAR AND SHAFT SERVICE ................................................................................................. 28

SPEED CONTROLS AND LINKAGE ............................................................................................................ 29

CHAPTER 5 REWIND STARTERS ............................................................................................................... 35

GENERAL INFORMATION ............................................................................................................................ 35

OPERATION .................................................................................................................................................. 35

COMPONENTS ............................................................................................................................................. 35

SERVICE ....................................................................................................................................................... 35

ROPE SERVICE ............................................................................................................................................ 35

RETAINER REPLACEMENT ......................................................................................................................... 36

STYLIZED REWIND STARTER (TVS, HM, TVM, TVXL), AND STAMPED STEEL STARTER

(HM, VM, TVM, TVXL) .............................................................................................................................. 36

STYLIZED REWIND STARTER WITH PLASTIC RETAINER ....................................................................... 37

STANDARD STAMPED STEEL AND CAST ALUMINUM STARTER (HM, VM) ........................................... 38

VERTICAL PULL STARTER HORIZONTAL ENGAGEMENT TYPE ............................................................. 39

VERTICAL PULL STARTER VERTICAL ENGAGEMENT TYPE ................................................................... 40

CHAPTER 6 ELECTRICAL SYSTEMS ...................................................................................................... 42

GENERAL INFORMATION ............................................................................................................................ 42

OPERATION .................................................................................................................................................. 42

STARTING CIRCUIT AND ELECTRIC STARTERS ...................................................................................... 42

CHARGING CIRCUIT .................................................................................................................................... 42

CONVERTING ALTERNATING CURRENT TO DIRECT CURRENT............................................................ 43

HALF WAVE RECTIFIER SINGLE DIODE .................................................................................................... 43

FULL WAVE RECTIFIER BRIDGE RECTIFIER ............................................................................................ 43

COMPONENTS ............................................................................................................................................. 43

BATTERY ....................................................................................................................................................... 43

WIRING .......................................................................................................................................................... 43

ELECTRICAL TERMS ................................................................................................................................... 44

BASIC CHECKS ............................................................................................................................................ 45

TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART.................................................. 46

TROUBLESHOOTING ELECTRICAL CHARGING CIRCUIT FLOW CHART............................................... 47

TESTING PROCEDURE ............................................................................................................................... 48

STARTING CIRCUIT...................................................................................................................................... 48

CHARGING CIRCUIT .................................................................................................................................... 48

VOLTAGE REGULATIONS ............................................................................................................................ 56

LOW OIL SHUTDOWN SWITCHES .............................................................................................................. 56

SERVICE ....................................................................................................................................................... 57

2 VOLT OR 120 VOLT ELECTRIC STARTERS WITH EXPOSED SHAFT ................................................. 57

2 VOLT D.C. OR 120 VOLT A.C. ELECTRIC STARTERS WITH THE STARTER GEAR UNDER

THE CAP ASSEMBLY .............................................................................................................................. 57

INSPECTION ................................................................................................................................................. 58

CHAPTER 7 FLYWHEEL BRAKE SYSTEMS .............................................................................................. 59

GENERAL INFORMATION ............................................................................................................................ 59

OPERATION .................................................................................................................................................. 59

BOTTOM SURFACE SYSTEM ...................................................................................................................... 59

INSIDE EDGE SYSTEM ................................................................................................................................ 60

COMPONENTS ............................................................................................................................................. 60

SERVICE ....................................................................................................................................................... 61

FLYWHEEL REMOVAL.................................................................................................................................. 61

BRAKE LEVER AND PAD ............................................................................................................................. 61

IGNITION GOUNDOUT TERMINAL .............................................................................................................. 61

STARTER INTERLOCK SWITCH.................................................................................................................. 62

CONTROL CABLE ......................................................................................................................................... 62

BRAKE BRACKET REPLACEMENT ............................................................................................................. 62

CHAPTER 8 IGNITION.................................................................................................................................. 63

GENERAL INFORMATION ............................................................................................................................ 63

OPERATION .................................................................................................................................................. 63

SOLID STATE IGNITION SYSTEM (CDI) ..................................................................................................... 63

MAGNETO IGNITION SYSTEM (POINTS) ................................................................................................... 63

IDENTIFICATION OF TECUMSEH IGNITION SYSTEMS ............................................................................ 64

COMPONENTS ............................................................................................................................................. 64

IGNITION TROUBLESHOOTING .................................................................................................................. 66

TESTING PROCEDURE ............................................................................................................................... 67

SERVICE ....................................................................................................................................................... 68

SPARK PLUG SERVICE ............................................................................................................................... 68

CONDITIONS CAUSING FREQUENT SPARK PLUG FOULING ................................................................. 68

IGNITION TIMING PROCEDURE ................................................................................................................. 68

SERVICE TIPS .............................................................................................................................................. 71

CHAPTER 9 INTERNAL ENGINE AND CYLINDER .................................................................................... 72

GENERAL INFORMATION ............................................................................................................................ 72

OPERATION .................................................................................................................................................. 72

-CYCLE ENGINE THEORY ......................................................................................................................... 72

LUBRICATION SYSTEMS ............................................................................................................................. 73

COUNTERBALANCE SYSTEMS .................................................................................................................. 73

COMPONENTS ............................................................................................................................................. 74

ENGINE OPERATION PROBLEMS .............................................................................................................. 75

TESTING ....................................................................................................................................................... 77

ENGINE KNOCKS ......................................................................................................................................... 77

ENGINE OVERHEATS .................................................................................................................................. 77

SURGES OR RUNS UNEVENLY .................................................................................................................. 77

ENGINE MISFIRES ....................................................................................................................................... 77

ENGINE VIBRATES EXCESSIVELY ............................................................................................................. 78

BREATHER PASSING OIL ............................................................................................................................ 78

EXCESSIVE OIL CONSUMPTION ................................................................................................................ 78

LACKS POWER ............................................................................................................................................. 78

SERVICE ....................................................................................................................................................... 79

DISASSEMBLY PROCEDURE ...................................................................................................................... 79

CYLINDERS .................................................................................................................................................. 81

CYLINDER HEADS ....................................................................................................................................... 82

PISTONS, RINGS AND CONNECTING RODS ............................................................................................ 82

CRANKSHAFTS AND CAMSHAFTS ............................................................................................................ 84

VALVES ......................................................................................................................................................... 85

CRANKCASE BREATHERS .......................................................................................................................... 86

CYLINDER COVER, OIL SEAL, AND BEARING SERVICE ......................................................................... 87

CRANKSHAFT BEARING SERVICE ............................................................................................................. 88

COUNTERBALANCE SERVICE .................................................................................................................... 89

FLYWHEEL SERVICE ................................................................................................................................... 89

CHAPTER 10 ENGINE SPECIFICATIONS ................................................................................................... 90

FOUR CYCLE TORQUE SPECIFICATIONS ................................................................................................. 91

ENGINE SPECIFICATIONS STANDARD POINT IGNITION......................................................................... 93

SOLID STATE AND EXTERNAL IGNITION .................................................................................................. 97

CHAPTER 11 EDUCATION MATERIALS AND TOOLS ............................................................................. 102

DECIMAL / FRACTION CONVERSIONS .................................................................................................... 105

SEARS CRAFTSMAN CROSS REFERENCE SUPPLEMENT INCLUDED IN BACK OF BOOK

iii

CHAPTER 1 GENERAL INFORMATION

ENGINE IDENTIFICATION

COVER BEZEL

Tecumseh engine model, specification, and serial

numbers or (date of manufacture, DOM) are stamped into

the blower housing or located on a decal on the engine

in locations as illustrated (diag. 1 & 2).

NOTE: On some LEV engines, a cover bezel must be

removed to provide access to the identification decal

(diag. 1).

The engine identification decal also provides the

applicable warranty code and oil recommendations (diag.

MODEL AND

D.O.M. NUMBER

DECAL

LOCATED

UNDER COVER

IF SO EQUIPPED)

Emissionized engines that meet the California Air

Resource Board (C.A.R.B.) or the Environmental

Protection Agency (E.P.A.) standards will include

additional required engine information on the engine decal

(

PRESS IN AND LIFT

HERE TO RELEASE

COVER

(diag. 3).

INTERPRETATION OF MODEL NUMBER

The first letter designation in a model number indicates

basic type of engine.

- Vertical Shaft

LAV - Lightweight Aluminum Vertical

VM - Vertical Medium Frame

TVM - Tecumseh Vertical (Medium Frame)

- Vertical Heavy Duty (Cast Iron)

TVS - Tecumseh Vertical Styled

TNT - Toro N’ Tecumseh

ECV - Exclusive Craftsman Vertical

TVXL - Tecumseh Vertical Extra Life

LEV - Low Emissions Vertical

- Horizontal Shaft

- Horizontal Small Frame

HM - Horizontal Medium Frame

HHM - Horizontal Heavy Duty (Cast Iron) Medium Frame

HH - Horizontal Heavy Duty (Cast Iron)

ECH - Exclusive Craftsman Horizontal

HSK - Horizontal Snow King

HS50 67355H

SER 4091D

The number designations following the letters indicate

the horsepower or cubic inch displacement.

FUEL REGULAR UNLEADED

The number following the model number is the

specification number. The last three numbers of the

specification number indicate a variation to the basic

engine specification.

OIL, SAE 30 (BELOW 32 F SAE 5W30)

LEV115 57010B (D)

STP185U1G1RA

105C

The serial number or D.O.M. indicates the production date.

Using model LEV115-57010B, serial 8105C as an

example, interpretation is as follows:

LEV115-57010B is the model and specification number

LEV

Low Emissions Vertical

Indicates a 11.5 cubic inch displacement

7010B is the specification number used for properly

THIS ENGINE MEETS 1995-1998

CALIF. EMISSION REGULATOR FOR

ULGE ENGINES AS APPLICBLE

identifying the parts of the engine

FUEL: REGULAR UNLEADED OIL: USE SEA30

105C

is the serial number or D.O.M. (Date of

Manufacture)

LEV115 57010B (D)

STP185U1G1RA

8105C

first digit is the year of manufacture (1998)

indicates calendar day of that year (105th day

or April 15, 1998)

represents the line and shift on which the

engine was built at the factory.

Engine Family: Engine Tracking Information

SHORT BLOCK IDENTIFICATION TAG

SHORT BLOCKS

New short blocks are identified by a tag marked S.B.H.

(

Short Block Horizontal) or S.B.V. (Short Block Vertical).

SBV OR SBH IDENTIFICATION NUMBER

Original model identification numbers of an engine should

always be transferred to a new short block for correct

parts identification (diag. 4).

SBV-2316

THIS SYMBOL POINTS OUT IMPORTANT

SAFETY INSTRUCTIONS WHICH IF NOT

FOLLOWED COULD ENDANGER THE

PERSONAL SAFETY OF YOURSELF AND

OTHERS. FOLLOW ALL INSTRUCTIONS.

SER 4291

SERIAL NUMBER

FUEL

Tecumseh strongly recommends the use of fresh clean unleaded regular gasoline in all engines. Unleaded gasoline

burns cleaner, extends engine life and promotes better starting by reducing build-up of combustion chamber deposits.

REFORMULATED AND OXYGENATED FUELS

Reformulated fuels containing no more than 10% Ethanol, 15% MTBE, 15% ETBE or premium gasoline can be used

if unleaded regular gasoline is not available. Leaded fuel may be used in countries where unleaded fuel is not available.

NEVER USE FUEL CONTAINING METHANOL.

ENGINE OIL

Use a clean, high quality detergent oil. Be sure original container is marked: A.P.I. service SF thru SJ. The use of

multigrade oil may increase oil consumption under high temperature, high load applications.

NOTE: DO NOT USE SAE10W40 OIL.

For summer (above 32°F, 0 C) use SAE 30 oil part # 730225 (1 quart, .946 liter container) in high temperature, high

load applications.

S.A.E.10W30 is an acceptable substitute.

For winter (below 32°F, 0 C) use S.A.E. 5W30 oil part # 730226 (1 quart, .946 liter container)

S.A.E.10W is an acceptable substitute.

S.A.E. 0W30 should only be used when ambient temperature is below 0 F, -18 C.

CAPACITIES:

EUROPA MODELS

Engine Model

Oz.

mL.

630

810

960

1500

630

570

720

Oz.

mL.

630

810

630

LAV30-50, TVS75-120, LEV80-120

ECV100-120, TNT100-120

V & VH50, 60, 70

TVM 125, 140

TVM & TVXL 170, 195, 220

VM70, 80, 100

Vantage

Prisma

Synergy

Synergy "55"

Spectra

Futura

Centura

HTL

BVS

VH100

H & HSK30, 35, HS & HSSK40, 50

H, HH & HSK50, 60, 70

HM & HMSK70, 80, 100

BH Series

Geo Tech Series 35-50

Oil Change Intervals. Change the oil after the first two (2) hours of operation and every 25 hours thereafter, or more

often if operated under dusty or dirty conditions, extreme temperature, or high load conditions.

Oil Check. Check the oil each time the equipment is used or every 5 hours. Position the equipment so the engine is

level when checking the oil.

CAUTION: REMOVE THE SPARK PLUG WIRE BEFORE DOING ANY SERVICE WORK ON THE ENGINE.

Oil Change Procedure: Locate the oil drain plug. On some units this plug is located below the deck through the

bottom of the mounting flange. Other units drain at the base of the engine above the deck or frame. If access to the

drain plug is restricted by the equipment it may be necessary to drain the oil by tipping the mower in a position that

would allow the oil to drain out of the fill tube.

On units that the drain plug is accessible, remove the plug and allow the oil to drain into a proper receptacle. Always

make sure that drain oil is disposed of properly.

Once the oil is drained, reinstall the plug and fill the engine with new oil to the proper capacity.

TUNE-UP PROCEDURE.

The following is a minor tune-up procedure. When this procedure is completed, the engine should operate properly.

Further repairs may be necessary if the engine's performance remains poor.

CAUTION: REMOVE THE SPARK PLUG WIRE BEFORE DOING ANY SERVICE WORK ON THE ENGINE.

. Service or replace the air cleaner as needed.

. Inspect the level and condition of the oil and change or add oil as required.

. Remove the blower housing and clean all dirt, grass or debris from the intake screen, cylinder head, cylinder

cooling fins, carburetor, governor levers and linkage.

. Make sure the fuel tank, fuel filter and fuel line are clean. Replace any worn or damaged governor springs or

linkage. Make the proper governor adjustments and carburetor presets where required.

. When replacing the spark plug, consult the parts breakdown for the proper spark plug to be used in the engine

being serviced. Set the spark plug gap to .030" (.762 mm) and install the spark plug in the engine. Tighten the

spark plug to 15 foot pounds of torque (20.4 Nm). If a torque wrench isn’t available, screw the spark plug in as far

as possible by hand, and use a spark plug wrench to turn the spark plug 1/8 to 1/4 turn further if using the old

spark plug, or 1/2 turn further if using a new spark plug.

. Make sure all ignition wires are free of abrasions or breaks and are properly routed so they will not rub on the

flywheel.

. Properly reinstall the blower housing, gas tank, fuel line and air cleaner assembly if removed.

. Make sure all remote cables are properly adjusted for proper operation. See chapter 4 under "Speed Controls and

Linkage".

. Reinstall the spark plug wire, add fuel and oil as necessary, and start the engine.

STORAGE: (IF THE ENGINE IS TO BE UNUSED FOR 30 DAYS OR MORE)

CAUTION: NEVER STORE THE ENGINE WITH FUEL IN THE TANK INDOORS , IN ENCLOSED POORLY

VENTILATED AREAS WHERE FUEL FUMES MAY REACH AN OPEN FLAME, SPARK OR PILOT LIGHT AS

ON A FURNACE, WATER HEATER, CLOTHES DRYER OR OTHER GAS APPLIANCE.

Gasoline can become stale in less than 30 days and form deposits that can impede proper fuel flow and engine

operation. To prevent deposits from forming, all gasoline must be removed from the fuel tank and the carburetor. An

acceptable alternative to removing all gasoline is adding a fuel stabilizer to the gasoline. Fuel stabilizer (such as

Tecumseh's Part No. 730245) is added to the fuel tank or storage container. Always follow the mix ratio found on the

stabilizer container. Run the engine at least 10 minutes after adding the stabilizer to allow it to reach the carburetor.

CAUTION: THE USE OF SOME ANTI-ICING ADDITIVES MAY CREATE A METHANOL FUEL BLEND. DO

NOT USE ADDITIVES THAT CONTAIN METHANOL. FUEL CONDITIONERS THAT CONTAIN ISOPROPYL

ALCOHOL IS RECOMMENDED.

Draining the Fuel System:

CAUTION: DRAIN THE FUEL INTO AN APPROVED CONTAINER OUTDOORS, AND AWAY FROM ANY

OPEN FLAME OR COMBUSTION SOURCE. BE SURE THE ENGINE IS COOL.

. Remove all gasoline from the fuel tank by running the engine until the engine stops, or by draining the fuel tank by

removing the fuel line at the carburetor or fuel tank. Be careful not to damage the fuel line, fittings, or fuel tank.

. Drain the carburetor by pressing upward on the bowl drain (if equipped) which is located on the bottom of the

carburetor bowl. On carburetors without a bowl drain, the carburetor may be drained by loosening the bowl nut on

the bottom carburetor one full turn. Allow to completely drain and retighten the bowl nut being careful not to

damage the bowl gasket when tightening.

. If "Gasohol" has been used, complete the above procedure and then put one half pint of unleaded gasoline into

the fuel tank and repeat the above procedure. If Gasohol is allowed to remain in the fuel system during storage,

the alcohol content will cause rubber gaskets and seals to deteriorate.

Change Oil: If the oil has not been changed recently, this is a good time to do it.

Oil Cylinder Bore:

Disconnect the spark plug wire and ground the wire to the engine. Remove the spark plug and put 1/2 ounce

14 ml) of clean engine oil into the spark plug hole.

(

Cover the spark plug hole with a shop towel.

Crank the engine over slowly several times.

CAUTION: AVOID SPRAY FROM SPARK PLUG HOLE WHEN SLOWLY CRANKING ENGINE OVER.

Install the spark plug and connect the spark plug wire.

Clean Engine: Remove the blower housing and clean all dirt, grass or debris from the intake screen, cylinder head,

cylinder cooling fins, carburetor, governor levers and linkage.

CHAPTER 2 AIR CLEANERS

GENERAL INFORMATION

The air cleaner is the device used to eliminate dust and

dirt from the air supply. Filtered air is necessary to assure

that abrasive particles are removed before entering the

carburetor and combustion chamber.Dirt allowed into the

engine will quickly wear the internal components and

shorten the life of the engine.

Tecumseh engines use either a polyurethane or a paper-

type air filter system. A polyurethane pre-cleaner or a flocked

screen may be used in conjunction with the main filter.

COVER

Snow King engines do not use an air filter.

Extremely dirty conditions may require more frequent filter

cleaning or replacement.

POLYURETHANE

WRAP

OPERATION

SEALING NUTS

PAPER

ELEMENT

The outer cover encapsulates the air filter element(s) and

prevents large particles from entering the filter box. Air is

filtered through the pre-cleaner or flocked screen (if

equipped) and the polyurethane or paper filter element. Pre-

cleaners or flocked screens provide additional air cleaning

capacity.

AIR CLEANER

BODY

InTecumseh's Kleen Aire system, air is drawn in through

a rotating screen or recoil cover to be centrifugally cleaned

by the flywheel before the air is drawn into the air filter.

COMPONENTS (diag 1 & 2)

The cover holds the filter element and prevents large debris

from entering the filter element.

The polyurethane wrap pre-filter is used on XL or XL/C

engine models with paper filter elements.

The paper or polyurethane filter element is the main

filter to trap dust and dirt. Dry-type paper elements have

treated paper folded for increased surface area and rubber-

like sealing edges.The polyurethane filter uses an oil film

to trap fine particles found in dust.

COVER

The flocked screen is used as an additional filter on XL

or XL/C engine models that use a polyurethane filter

element.

TROUBLESHOOTING OR TESTING

FOAM

ELEMENT

AIR CLEANER

BODY

If the engine's performance is unsatisfactory (needs

excessive carburetor adjustments, starts smoking

abnormally, loses power), the first engine component to be

checked is the air cleaner.A dirt restricted or an oil soaked

element will cause noticeable performance problems. A

polyurethane element may be cleaned following the service

procedure listed under "Service" in this chapter. A paper-

type air filter should only be replaced. A paper-type element

cannot have an oil film present on the paper. Follow the

procedure listed in the "Service" section of this chapter for

replacement. Re-try the engine after filter replacement or

service. If the problem persists after filter service, see

Chapter 9 under "Engine Operation Problems" for additional

causes.

FLOCKED SCREEN

SERVICE

Service on the polyurethane element (cleaning and oiling) is recommended every three months or every twenty five

operating hours, whichever comes first. Extremely dirty or dusty conditions may require daily cleanings.

The paper filter element should be replaced at least once a year or more frequently if operated in dusty or dirty conditions.

NOTE: NEVER RUN THE ENGINE WITHOUT THE COMPLETE AIR CLEANER ASSEMBLY INSTALLED ON THE

ENGINE.ALWAYS REPLACETHE FILTER ELEMENT WITHTHE PROPERTECUMSEH ORIGINAL REPLACEMENT

PART.

DISASSEMBLY PROCEDURE

1. Unlock the tabs or remove the screws, wingnuts or

snaps holding the air cleaner cover in place.

. Remove the hex nuts holding the element down if

equipped. New nuts are supplied with a new filter and

MUST be used for proper sealing.

FOAM

ELEMENT

. Clean the excess contaminants out of the air cleaner

body before removing the old element.

. Remove the old element and the polyurethane pre-

cleaner if equipped.

/2" (12.7 mm)

FOAM

WITH FLOCKED

SCREEN

. On air cleaners that use a flocked screen under the

polyurethane element, remove the air cleaner assembly

from the carburetor before removing the flocked screen.

This prevents dirt from entering the carburetor (diag 3).

ATTACHED

. Clean the inside of the cover and body, remove the old

gasket between the carburetor and the air cleaner

assembly.

7. Reinstall the air cleaner assembly using a new gasket.

. Use the reverse procedure for reassembly. When

installing the foam polyurethane pre-cleaner, make sure

the seam is installed to the outside to prevent gaps

between the paper element and the pre-cleaner.

AIR CLEANER

BODY

POLYURETHANE-TYPE FILTER ELEMENT

This type of air filter can be serviced when restricted with dust or dirt.Wash the filter or pre-cleaner in a liquid detergent

and water solution until all the dirt is removed. Rinse in clear water to remove the detergent solution. Squeeze the

element (do not twist) to remove the excess water.Wrap the element in a clean cloth and squeeze it (do not twist) until

completely dry.

Re-oil the element by applying engine oil and squeezing it vigorously to distribute the oil. Roll the element in a cloth and

squeeze it (do not twist) to remove the excess oil.

Clean the air cleaner housing and cover being careful not to allow dirt to fall into the carburetor or intake pipe.

PAPER -TYPE FILTER ELEMENT

Paper type air filter elements can only be serviced by replacement. Do not attempt to clean a paper filter element.

CHAPTER 3 CARBURETORS AND FUEL SYSTEMS

GENERAL INFORMATION

Tecumseh uses two basic types of carburetors, float and diaphragm type carburetors. Float type carburetors use a

hollow float to maintain the operating level of fuel in the carburetor. Diaphragm type carburetors use a rubber-like diaphragm.

One side is exposed to intake manifold pressure and the other side to atmospheric pressure. The diaphragm provides the

same basic function (maintaining the proper fuel level in the carburetor) as the float.

An advantage of the diaphragm carburetor over the float style is that the diaphragm carburetor will allow the engine to

operate at a greater degree of tiltability.

Tecumseh carburetors are identified by a manufacturing number and date code stamped on the carburetor as illustrated

(diag. 1).

When servicing carburetors, use the engine model and

specification number to obtain the correct carburetor part

number. An alternate method of finding the correct

carburetor part number is to use the manufacturing number

stamped on the carburetor and convert this number to a

part number. In the carburetor section of the Master Parts

Manual, Microfiche Catalog or computer parts look-up

system, a cross reference chart will convert a carburetor

manufacturing number to a Tecumseh part number.

ALTERNATE LOCATION

FOR MANUFACTURING

NUMBER

Complete carburetor replacement may be accomplished

with a standard service carburetor. A standard service

carburetor is a basic carburetor that may require the use

of original carburetor parts or additional new parts to adapt

to the specification. An instruction sheet is provided with

the new service carburetor or see “SERVICE” in this chapter.

CARBURETOR

DATE CODE

MANUFACTURING

NUMBER

CAUTION: DRAIN THE FUEL INTO AN APPROVED CONTAINER OUTDOORS, AND AWAY FROM ANY OPEN

FLAME OR COMBUSTION SOURCE. BE SURE THE ENGINE IS COOL.

NOTE: Todays fuels can cause many problems in an engines performance, due to the fuels quality and short shelf life.

Always check fuel as a primary cause of engine performance.

Remove the air filter, heater box, or air cleaner assembly if applicable to visually check that the choke shutter

completely closes or check to see if fuel comes out of the main nozzle during priming.

If the fuel flow from the tank is adequate and no fuel is evident during priming, the carburetor will need to be

removed for service. See “Service” in this chapter or consult the “Carburetion Troubleshooting” chart to diagnose

carburetor symptoms. Improper fuel flow indicates the fuel, fuel line, filter or tank require cleaning or replacement.

Check the engine compression using a commercially available compression tester and follow the tester’s

recommended procedure. Low compression, a dry spark plug, adequate fuel flow, and a known good functional

carburetor indicates an internal engine problem exists. See under “Troubleshooting.”

A wet spark plug indicates fuel is being supplied by the carburetor. The engine may be flooded by a restricted

air filter, carbon shorted or defective spark plug, excessive choking or over priming, improperly adjusted or

defective carburetor. With the spark plug removed and a shop towel over the spark plug hole, turn the engine

over slowly 3 or 4 times to remove excess gasoline from the engine cylinder.

CAUTION: KEEP ALL COMBUSTIVE SOURCES AWAY. AVOID THE SPRAY FROM THE SPARK PLUG

HOLE WHEN CRANKING THE ENGINE OVER.

Replace the air filter if restricted or oil soaked. Replace the spark plug if questionable. Install the spark plug and

high tension lead and try to start the engine.

If the engine floods and fails to start, the carburetor will require service. See the proceeding “Carburetion

Troubleshooting” chart for additional causes. If the carburetor is functioning properly the problem may be ignition

timing related. See “Troubleshooting" under "Ignition”.

OPERATION

In the “CHOKE” or “START” position, the choke shutter is closed and the only air entering the engine enters through

openings around the shutter. As the engine starts to rotate, downward piston travel creates a low air pressure area (or

vacuum) above the piston. Higher pressure (atmospheric) air rushes into the engine and fills this low pressure area.

Since the majority of the air passage is blocked by the choke shutter, a relatively small quantity of air enters the

carburetor at an increased speed. The main nozzle and both idle fuel discharge ports are supplying fuel due to the low air

pressure in the engine intake. Maximum fuel flow through the carburetor orifices combined with the reduced quantity of

air that passes through the carburetor, make a very rich fuel mixture which is needed to start a cold engine.

At engine IDLE speed, a relatively small amount of fuel is required to operate the engine. The throttle is almost completely

closed. Fuel is supplied through the primary idle-fuel discharge orifice.

NOTE: Dual system carburetors do not have an idle circuit.

During INTERMEDIATE engine operation, a second orifice is uncovered as the throttle shutter opens, and more fuel

is allowed to mix with the air flowing into the engine.

During HIGH SPEED engine operation, the throttle shutter is fully opened. Air flows through the carburetor at high

speed. The venturi, which decreases the size of the air passage through the carburetor, further accelerates the air

flow. This high speed movement of the air decreases the air pressure at the main nozzle opening. Fuel is forced out

the main nozzle opening due to the difference in the air pressure on the fuel in the carburetor bowl and the reduced

air pressure at the main nozzle opening.

For the fuel to flow, the carburetor bowl must be either

vented externally or internally. Some internally vented float

style carburetors use a tygon tube and a vent within the

air intake. This tube must be present for the carburetor to

operate properly (diag. 2).

Air is bled into the main nozzle and through the air bleed

located in the air horn. This mixes the fuel and air prior to

the fuel leaving the main nozzle. Atomization occurs as

the fuel mixture contacts the fast moving air stream. This

mist then flows into the intake of the engine.

TYGON TUBE

LOCATION

FUEL PRIMERS

Primers may be mounted remotely or as an integral part

of the carburetor. The basic function of the primer is to

supply a charge of air to the carburetor main well, or

carburetor bowl. On diaphragm carburetors it displaces fuel

directly into the carburetor venturi. This displaced fuel

provides a rich mixture necessary for engines to start easily

on the first or second attempt (diag. 3 & 4).

PRIMER BULB

Primers must be vented either internally (a passage in the

carburetor air horn prior to the venturi) or externally

(

through a hole in the primer bulb). The vent allows air to

fill the primer bulb after the primer bulb is released. On

diaphragm carburetors a one way valve in the body

prevents the fuel from being forced back into the fuel tank.

MAIN NOZZLE

EMULSION

TUBE

MAIN JET

Two different methods are used to prime float style

carburetors, leg prime and bowl prime. The leg prime

system is used only on the dual system carburetor. Air is

forced into the center leg of the carburetor, which then

forces an enriched mixture of fuel up the main nozzle. The

bowl prime method is used on Series 6, 8, 9 and 10

carburetors and is distinguished by a stepped or hour glass

shaped primer bulb. A good seal of the primer bulbs center

lip is critical to assure that a full charge of air reaches the

bowl. Also critical is a tight seal around the float bowl.

BOWL PRIME

NOTE: Never re-use a bowl gasket.

IMPULSE FUEL PUMPS

Impulse fuel pumps may either be mounted externally

onto the carburetor fuel inlet or remotely mounted. These

pumps are connected in the fuel line between the fuel

supply and the carburetor or directly to the fuel inlet.

Impulse fuel pumps are operated by crankcase impulses

created by the up and down movement of the piston. A

hose called a pulse line connects the fuel pump diaphragm

chamber to the crankcase and transmits these impulses

to the pump diaphragm. The impulses actuate the

diaphragm and flap valves to lift the fuel from the fuel tank

to the carburetor (diag. 6).

IDLE AND

PROGRESSION

HOLES

IDLE AIR

BLEED

FLOAT STYLE CARBURETORS

MAIN AIR

BLEED

A float is used to maintain the operating volume of fuel in

the carburetor bowl. As the fuel is used by the engine, the

fuel volume in the carburetor bowl drops and the float moves

downward. This allows the inlet needle valve to move off

the sealing seat. Fuel flows by gravity or a pulse pump

into the fuel bowl. As the fuel volume in the bowl again

rises, it raises the float. This upward float motion moves

the inlet needle valve to the closed position. When the

needle contacts the seat, the fuel flow is stopped. The

tapered end of the inlet needle varies the fuel flow rate so

that the fuel volume in the carburetor bowl will remain

constant (diag. 7). The float height is set according to the

service procedure.

CHOKE

SHUTTER

THROTTLE

SHUTTER

INLET NEEDLE

AND SEAT

IDLE

ADJUSTMENT

FLOAT

MAIN NOZZLE

EMULSION

TUBE

MAIN

ADJUSTMENT

DIAPHRAGM (PRESSURE DIFFERENTIAL)

CARBURETORS

This type of carburetor uses a rubber-like diaphragm which

is exposed to intake manifold pressure on one side and to

atmospheric pressure on the other. Tecumseh diaphragm

carburetors use the diaphragm as a metering device. As

the intake manifold pressure decreases due to downward

piston travel, the atmospheric pressure on the vented side

of the diaphragm moves the diaphragm against the inlet

needle. The diaphragm movement overcomes the spring

tension on the inlet needle and moves the inlet needle off

the seat. This permits the fuel to flow through the inlet

valve to maintain the correct fuel volume in the fuel

chamber. The inlet needle return spring closes the inlet

valve when the pressure on the diaphragm equalizes or a

pressure higher than atmospheric exists on the intake side

CHECK BALL

THROTTLE

SHUTTER

CHOKE

SHUTTER

IDLE

ADJUSTMENT

NEEDLE AND

SEAT ASSEMBLY

(

upward piston travel). The diaphragm meters a correct

fuel volume in the fuel chamber to be delivered to the mixing

passages and discharge ports (diag. 8).

A main or idle adjustment needle may be replaced by an

internally fixed jet on some models.

MAIN

ADJUSTMENT

DIAPHRAGM

The main nozzle contains a ball check valve. The main

purpose of this ball check is to eliminate air being drawn

down the main nozzle during idle speeds and leaning the

idle mixture.

An advantage of the diaphragm carburetor over the float

system is that the diaphragm carburetor increases the angle

that the engine may be operated at.

COMPONENTS

Loosen screw until it just clears

throttle lever, then turn screw in 1 IDLE SPEED ADJUSTMENT SCREW

turn.

CHOKE SHAFT AND LEVER Check shaft for binding. Position

shutter opening towards inlet fitting

CHOKE SHUTTER side or air horn.

THROTTLE SHAFT AND LEVER

Place detent reference mark to

DETENT REFERENCE MARK

MAIN NOZZLE Blow air through passage.

proper location.

ON THROTTLE SHUTTER

THROTTLE SHUTTER

*INLET

Part of inlet fitting. If fuel is restricted,

clean or replace fitting.

FITTING

SCREEN

Check spring for return action and THROTTLE SHAFT

binding.

RETURN SPRING

INLET

Bulb primer models have Viton* one

way valve, in or behind fitting.

FITTING

IDLE

IDLE PROGRESSION

HOLE

Remove welch plug and blow air

through air passages.

INLET SEAT

Remove and replace.

IDLE AIR BLEED

GASKET

IDLE MIXTURE

ADJUSTMENT

SCREW AND "O"

RING (If Present)

Remove adjustment screw. To adjust

*INLET NEEDLE

SEAT AND

0° slant engines, the engine must

Proper installation of assembly is im-

portant.

be mounted in its normal 20° slant

position.

SPRING

MAIN MIXTURE

ASSEMBLY

ADJUSTMENT

SCREW AND "O"

RING (If Present)

Gasket and diaphragm sequence

may be reversed on some models.

Head of rivet must touch inlet needle.

Rivet is hooked into inlet needle con-

trol lever on some models.

DIAPHRAGM GASKET

DIAPHRAGM

Check ball is not serviceable on WELCH PLUG (If Present)

some models.

*MAIN NOZZLE CHECK BALL (If Present)

Hole must be clean. On models with

ATMOSPHERIC VENT HOLE bulb primer, vent hole is very small

and is located off center.

NON METALLIC ITEMS - CAN BE DAMAGED

BY HARSH CARBURETOR CLEANERS

Blow air through passage.

IDLE AND INTERMEDIATE

AIR BLEED

Loosen screw until it just clears

IDLE SPEED ADJUSTMENT throttle lever, then turn screw in one

turn.

THROTTLE SHAFT AND LEVER

Check shaft for looseness or bind-

ing. Shutter must be positioned with

Removable on emission carbs. non-

MAIN NOZZLE

metallic only.

detent reference marks on top par- THROTTLE SHUTTER

allel with shaft and to the right or 3

(EMULSION TUBE)

o'clock position.

DETENT

REFERENCE MARK

CHOKE SHAFT

AND LEVER

Check shaft for binding position

opening to bottom of air horn.

CHOKE PLATE

Check spring for return action

and binding.

THROTTLE SHAFT

RETURN SPRING

HIGH SPEED Blow air through passage. Do not

AIR BLEED

remove restrictor if present.

IDLE AND INTERMEDIATE

ORIFICES

INLET

Remove idle adjustment screw. IDLE AND INTERMEDIATE

Check needle tip and condition of "O" FUEL CHAMBER (COVERED

ring. Remove welch plug and blow WITH WELCH PLUG)

FITTING

out all passages.

IDLE AND INTERMEDIATE

FUEL MIXTURE PASSAGE

*INLET NEEDLE Proper installation is important.

AND SEAT

IDLE ADJUSTMENT SCREW

AND "O" RING

FLOAT BOWL Replace.

GASKET

FLOAT

SHAFT

ATMOSPHERIC VENT

SOFT BAFFLE PLUG

INLET

NEEDLE CLIP Must hook over float tab.

(

If Present)

IDLE FUEL TRANSFER PASSAGE

AND ANNULAR GROOVE

IDLE AND INTERMEDIATE

FUEL TRANSFER PASSAGE

Check float for leaks or dents. Clean

bowl and adjust float level position

gasket or gaskets.

FLOAT

METERING ROD OR PIN IN

FUEL TRANSFER PASSAGE

FLOAT BOWL

*GASKET

NOTE: On models which have

metering rods, do not install idle

adjustment screw with carburetors

upside down, as pin will obstruct

movement of adjustment screw

causing damage

If the carburetor is used on a 20° slant

engine, the engine must be in its

normal 20° slanted position for ad-

justment.

(DO NOT REMOVE)

BALL PLUG

CUP PLUG

IDLE AND INTERMEDIATE

FUEL TRANSFER PASSAGE

Check needle for damage and "O"

ring for cracks. Clean all passages

in nut with compressed air.

NUT AND MAIN ADJUSTMENT SEAT

MAIN ADJUSTMENT SCREW AND

O" RING SEAL

IDLE AND MAIN FUEL PICK UP ORFICE

NON METALLIC ITEMS - CAN BE DAMAGED

BY HARSH CARBURETOR CLEANERS

CARBURETOR IDENTIFICATION

Tecumseh has a variety of carburetors. To help identify

these carburetors here are some simple procedures to

follow.

DUAL SYSTEM CARBURETORS

The easiest way to identify the dual system carburetor is

by the presence of a large primer bulb located on the side

of the carburetor. The absence of adjustment needles help

to identify the carb as well. The dual system carburetor is

used on 4-cycle vertical crankshaft rotary mower engines.

(diag. 11).

SERIES 1 CARBURETORS

Series 1 carburetors come in a variety of styles. They are

used on both 2 and 4 cycle vertical and horizontal shaft

engines in the 2 through 7 h.p. range. It is a float style

carburetor with a smaller venturi than the Series 3 and 4

carburetors. Some will have an adjustable idle and main

and others will have a fixed main with an adjustable idle.

There are also some fixed speed applications that will only

have a fixed main system and the idle system will not be

drilled. (diag. 12).

NOTE: Emissionized carburetors will have a fixed jet.

SERIES 3 & SERIES 4 CARBURETORS

Series 3 and 4 carburetors are generally used on 8 through

2.5 horsepower 4-cycle engines. The venturi size of these

carburetors are larger than Series 1 and Dual System

Carburetors. The quickest way to identify these carburetors

is by the presence of bosses on each side of the idle

mixture screw. To identify the Series 3 from a Series 4,

view the carburetor from the throttle end. The Series 3 has

BOSSES

(

1) screw securing the throttle plate and the Series 4 uses

2) screws. (diag. 13 - 15)

SERIES 3

SERIES 4

DIAPHRAGM CARBURETORS

The diaphragm carburetors are unique. These carburetors

can be operated at a more severe angle than float style

carburetors. They still require that the fuel supply be located

in a position that allows it to be gravity fed. Its most

distinctive feature is the lack of a fuel bowl. (diag. 16).

NOTE: Emissionized carburetors will have a fixed jet.

SERIES 6 CARBURETORS 4-CYCLE

Series 6 carburetors are used on 2 and 4-cycle engines.

They have a larger venturi than the dual system carburetor

and use a simple fixed idle system. Series 6 carburetors

used on both vertical and horizontal applications are

nonadjustable. The 4 cycle version pictured has a stepped

primer bulb. (diag. 17).

SERIES 8

The Series 8 carburetor has both a fixed main and idle

circuit. The fixed idle system uses a restricted jet that

meters the fuel. The idle restrictor jet will be capped to

prevent access unless removed. The fixed main jet is part

of the bowl nut. A ball plug is visible from the bottom,

which seals the metering passage. This carburetor also

has a serviceable main nozzle emulsion tube. It also has

a stepped primer bulb to assist in starting. (diag. 18)

CAPPED FIXED

JET

MIXING WELL

CAST BUT NOT

MACHINED

SERIES 9

The Series 9 carburetor uses the same body as the Series

but has a simple fixed idle system, identical to the one

used on the Series 6 carburetor. It has the idle discharge

port located at the 7 o'clock position on the throttle end of

the carburetor. Identify this carburetor by the stepped primer

bulb, the presence of a non-drilled idle mixing well and a

serviceable main nozzle emulsion tube. (diag. 19)

IDLE JET

CAST BUT NOT

MACHINED

SERIES 10 (EMISSION)

The Series 10 carburetor is identical to the Series 8

carburetor with the addition of a choke to assist in cold

weather starts. It also has a fixed idle and main. The idle

restrictor jet will be capped to prevent access unless the

cap is removed. The fixed main jet is part of the bowl nut.

A ball plug is visible from the bottom, which seals the

metering passage. This carburetor also has a serviceable

main nozzle emulsion tube and a stepped primer bulb to

assist in starting. (diag. 20)

NON-TECUMSEH CARBURETORS

DELLORTO CARBURETOR

The Dellorto carburetor is similar to the dual system

carburetor. It has no adjustments and has a primer assist

start. It has a noncorrosive float and the needle is viton

tipped, eliminating the viton seat found in the dual system

carburetor. The angle of the fuel inlet is adjustable and

attached to the carburetor body with a banjo bolt. This

carburetor is used on some TVS rotary lawnmower engines.

ENGINE

TROUBLESHOOTING

Engine Will Not Start

Check For Spark

Wet

Check If Spark Plug Is Wet or Dry

Dry

Defective Spark Plug

Restricted Air Filter

Check Fuel Supply and Fuel

Cap Vent

Restriction in Fuel System

(

filter, screen)

Improper or Stale Fuel

Carburetion Problem

Poor Compression

Sheared or Partially Sheared

Flywheel Key

Carburetion Problems Due to

Flooding, Over Priming, etc.

Ignition System

CARBURETION

TROUBLESHOOTING

START

IDLE

ACCELERATE

HIGH SPEED

Will

Not

Fuel Leak

Idles with Hunts -

Idles

Fast -

Lean

Will Not Over Rich

Acceler- Accelera-

ate

Run at

High

Hunts at Runs with Engine

AIR SYSTEM

Hard

Engine Will Not

Needle

Rich Idle Closed

Erratic

Idle

Low

High

Needle

Closed

Over-

PROBLEMS Starting Carburetor Floods Idle

tion

Hesitates Speed Power Speed

speeds

Plugged Air Filter

Á Á

Leaky Carburetor

Gasket

Á Á

Throttle or Choke

Shafts Worn

Á Á

Choke Not

Functioning

Properly

Plugged

Atmospheric Vent

Á Á

Air Bleed

Restricted

Á Á

Damaged or

Leaky "O" Rings

Á Á

DIAPHRAGM

SYSTEM

PROBLEM

Damaged

Diaphragm

Stuck or Dirty Ball

Check

Diaphragm

Upside Down

FUEL SYSTEM

PROBLEM

Plugged Tank

Filter or Vent

Á Á Á

Á Á

Fuel Pick-up

Restricted

Idle Port

Restricted

Damaged

Adjustment

Needles

Á Á Á

Incorrect Float

Height

Á Á

Main Nozzle

Restricted

Á Á

Dirty, Stuck

Á Á Á

Needle and Seat

Á Á

Fuel Inlet Plugged

TESTING

After repeated efforts to start the engine using the procedure listed in the operator’s manual fail, check for spark by

removing the high tension lead and the spark plug. Install a commercially available spark plug tester and check for

spark. If spark is evident and acceptable, proceed to step 2. If no or weak spark, see Chapter 8 under "Testing".

Visually inspect the spark plug for a wet condition indicating the presence of gasoline in the cylinder.

If the spark plug is dry, check for restrictions in the fuel system before the carburetor. If the spark plug is wet,

continue with step # 7. Check to see if the fuel cap vent is open. With a proper draining receptacle, remove the fuel

line clamp on the carburetor fuel inlet and pull the fuel line off the fitting to examine the fuel flow and fuel condition.

Remove the air cleaner element or air cleaner assembly to visually check that the choke shutter completely closes

or check to see if fuel comes out from the main nozzle during priming.

If the fuel flow is adequate and no fuel is evident during priming, the carburetor will need to be removed for service.

See “Service” in this chapter or consult the “Carburetion Troubleshooting” chart if other problems exist. Improper fuel

flow indicates the fuel, fuel line, filter or tank require cleaning or replacement.

Check the engine compression using a commercially available compression tester and follow the tester’s recommended

procedure. Low compression, a dry spark plug, adequate fuel flow, and a known good functional carburetor indicates

an internal engine problem exists. See Chapter 9 under “Engine Operation Problems.”

A wet spark plug indicates fuel is being supplied by the carburetor. The engine may be flooded by a restricted air

filter, carbon shorted or defective spark plug, excessive choking or over priming, improperly adjusted or defective

carburetor, or the wrong ignition timing. With the spark plug removed and a shop towel over the spark plug hole, turn

the engine over slowly 3 or 4 times to remove excess gasoline from the engine cylinder.

CAUTION: KEEP ALL COMBUSTIVE SOURCES AWAY. AVOID THE SPRAY FROM THE SPARK PLUG

HOLE WHEN CRANKING THE ENGINE OVER.

Replace the air filter if restricted or oil soaked. Replace the spark plug if questionable. Install the spark plug and high

tension lead and retry starting the engine.

If the engine floods and fails to start, the carburetor may require service. See the preceding “Carburetion Troubleshooting”

chart for additional causes. If the carburetor is functioning properly the problem may be ignition timing related. See

Chapter 8 under “Ignition Troubleshooting.”

SERVICE

CARBURETOR PRE-SETS AND ADJUSTMENT

NOTE: EMISSION GRADE CARBURETORS HAVE FIXED IDLE AND MAIN JETS. THE ABSENCE OF THE ADJUSTING

SCREW INDICATES A FIXED JET OR RESTRICTOR AND NO ADJUSTMENT IS NECESSARY. THE IDLE

RESTRICTOR ON AN EMISSIONS CARBURETOR APPEARS AS AN ADJUSTABLE SCREW. THIS IS NOT

ADJUSTABLE AND MUST REMAIN TIGHT FOR PROPER OPERATION.

The idle on an emission is metered using a threaded

restrictor (see Illustration). Proper torque of this screw is

critical and should be torqued to 5-8 in. lbs. or .5 to 1 nm, if

not, it may vibrate loose. When the restrictor is placed in

IDLE RESTRICTOR

the idle circuit passage it is capped with a tamper resistant

plastic cap. Tampering is considered the rejetting or

modification through resizing of the jet. If the jet is

removed for cleaning it must be recapped to prevent

tampering when it is re-installed.

CAP

Before adjusting any mixture screws the necessary carburetor presets should be made. Check for the proper governor

adjustments as outlined in Chapter 4. Identify the correct carburetor model and manufacturer to find locations of the high

and low speed adjustment screws. Check the throttle control bracket for proper adjustment allowing a full choke shutter

position. See Chapter 4 under "Speed Controls and Linkage". Check to see if the normal maintenance procedures have

been performed (oil changed, fresh fuel, air filter replaced or clean). Consult microfiche card #30 to find the correct

R.P.M. settings for the engine, or consult Service Bulletin #107 for the revised safety specification for rotary type power

lawn mowers. Start the engine and allow it to warm to operating temperature. The carburetor can now be adjusted.

PRE-SETS AND ADJUSTMENTS

TECUMSEH AND WALBRO

Tecumseh Carburetors

Engine Model

Main Pre-set

Idle Pre-set

1 turn

(

All models with float-type

carburetors

1-1/2 turn

CARBURETORS)

All models with diaphragm-type

carburetors

turn

1 turn

NOTE: OVERTIGHTENING WILL DAMAGE THE TAPER

PORTION OF THE NEEDLE. All adjustments should be

made with the carburetor in the operating position.

Walbro Carburetors

Carburetor Model Number

LMH

1-1/2 turn

1-1/4 turn

Fixed

1-1/2 turn

1-1/4 turn

Turn both the main and idle mixture adjusting screws in

(clockwise) until finger tight.

WHG & LME

LMK

1 turn

Now back the mixture screws out (counterclockwise) to

obtain the pre-set figure in the chart shown at right.

FINAL ADJUSTMENTS (NON EMISSION ENGINES)

Start the engine and allow it to warm up to normal operating temperature (3 - 5 minutes). Set the speed control to the

HIGH or FAST position. From the recommended preset position, turn the main mixture adjustment screw in (clockwise)

slowly until the engine begins to run erratic (lean). Note the position of the screw. Now, turn the screw out (counterclockwise)

until the engine begins to run erratic (rich). Turn the screw in (clockwise) midway between these two positions. This will

be the best setting. (diag. 21, 22 & 23).

Set the speed control to the IDLE or SLOW position. Adjust the idle mixture screw following the same procedure used to

adjust the main mixture adjustment screw.

TECUMSEH CARBURETORS

SERIES 1

SERIES 3 & 4

DIAPHRAGM

MAIN MIXTURE

SCREW

IDLE MIXTURE

SCREW

MAIN MIXTURE

SCREW

IDLE MIXTURE

SCREW

IDLE MIXTURE

SCREW

MAIN MIXTURE

SCREW

If further adjustment is required, the main adjustment should be made under a loaded condition.

If the engine stops or hesitates while engaging the load (lean), turn the main mixture adjusting screw out

(counterclockwise) 1/8 turn at a time, testing each setting with the equipment under load, until this condition is corrected.

If the engine smokes excessively (rich), turn the main adjusting screw in (clockwise) 1/8 turn at a time, testing each

setting with the equipment under load, until this condition is corrected.

After the main mixture screw is set, move the speed control to the IDLE or SLOW position. If the engine does not idle

smoothly, turn the idle mixture screw 1/8 turn either in (clockwise) or out (counterclockwise) until engine idles smoothly.

Recheck the high and low R.P.M. setting and adjust as necessary.

NON-ADJUSTABLE CARBURETORS

DUAL SYSTEM AND SERIES 6

SERIES 8

SERIES 9

MIXING WELL

SERIES 10

CHOKE

CAST BUT

NOT

MACHINED

NON-ADJUSTABLE

PRIMER NO CHOKE 24

CAPPED FIXED

JET

IDLE JET

25 CAST BUT NOT MACHINED

CAPPED IDLE

RESTRICTOR

DISASSEMBLY PROCEDURE

NOTE: Engines which are identified as compliant with CARB (California Air Resources Board) or EPA (US

Environmental Protection Agency) regulations can NOT be changed from the factory unless specifically authorized.

FLOAT STYLE CARBURETORS

Note or mark the high and low mixture adjusting screws

to aid in reassembly (if applicable). Remove the high

speed adjusting screw, bowl nut, and float bowl.

Remove the idle mixture screw assembly.

CLIP

OPEN END

OF CLIP

Note the position of the spring clip on the inlet needle

and float, the long end of the clip must face toward the

choke end of the carburetor. Remove the float hinge

pin with a needlenose pliers. Some carburetors use a

float dampening spring to aid the inlet valve in

maintaining a steady position during rough service

applications. Note the position of the hooks before

removing the float hinge pin (diag. 28).

LONG END

OF CLIP

THROTTLE

END

CHOKE

END

Remove the float, clip, and inlet needle.

Remove the inlet needle seat using a #4 crochet hook,

a wire or paper clip with a 3/32" (2.38 mm) hook end

as shown. Push the hook through the hole in the

center of the seat to remove it. (diag. 29).

3/32" (2.38 mm)

HOOK END

Note or mark the action of the choke and throttle

shutters, and/or the hook points of the choke or throttle

return spring, or seal retainer springs located on the

top of the choke and/or throttle shaft. Remove the

throttle shutter, throttle shaft, choke shutter, springs

and choke shaft by removing the screw(s) that attach

the throttle or choke shutter to the shaft inside the air

horn.

Remove the primer bulb (if equipped) by grasping it

with a pliers and pulling and twisting out of the body.

Remove the retainer by prying and lifting it out with a

screwdriver. Do not re-use the old bulb or retainer (diag.

30).

Some Tecumseh float style carburetors have a damper

spring which is installed as shown. (diag. 31)

POINTS TOWARD

THE CHOKE END

Remove all welch plugs if cleaning the carburetor.

Secure the carburetor in a vise equipped with protective

jaws. Use a small chisel sharpened to a 1/8"

SMALL CHISEL

(

3.175 mm) wide wedge point. Drive the chisel into

PIERCE PLUG WITH TIP

WELCH PLUG TO BE

PRY OUT

PLUG

the plug to pierce the metal, then push down on the

chisel to pry the plug out of the hole (diag. 32).

REMOVED

DO NOT ALLOW

CHISEL POINT

TO STRIKE

CARBURETOR

BODY OR

ABOUT 1/8"

(3.175 mm)

WIDE

NOTE: DO NOT REMOVE ANY BALL OR CUP PLUGS

diag. 33).

(

CHANNEL

REDUCER

SMALL CHISEL

Note the direction of the inlet fitting. If necessary the

inlet fitting can be removed. (See page 24).

DO NOT REMOVE PLUGS

BRASS OR BALL PLUG

0. The main nozzle on Series 8 and Series 9 carburetors

can be removed by pressing the tube outward from

the venturi thru the center leg. This nozzle is non-

metallic and has an "O" ring seal on the top and bottom

end of the tube. Do not remove a main nozzle that is

made of brass from any Tecumseh carburetor. These

are pressed in at the factory to a specific depth. When

removing the nozzle, the top "O" ring may not come

out with the tube. The "O" ring must be removed and

placed on the nozzle before it is placed back into the

center leg or it will not seal properly. (diag. 34)

BALL PLUG

IDLE FUEL PASSAGE

REDUCTION ROD INSIDE

The main nozzle on some Walbro carburetors are

removable for service. If you remove it, a service

nozzle with the under cut fuel passage must be installed

or problems will occur (diag. 35).

NOT USED ON SERIES 7

OR VECTOR CARBS.

O" RING

ON TOP OF STEP

IN GROOVE)

(

"O" RING IN GROOVE

"O" RING

SERVICE MAIN NOZZLE

REUSABLE

UNDERCUT

ANNULAR

GROVE

ORIGINAL MAIN NOZZLE

DO NOT REUSE

Diaphragm Carburetors

1. Remove the screws holding the diaphragm cover on.

2. Remove the cover, gaskets, and diaphragm noting or

marking the sequence or location to aid in reassembly.

NOTE: If a "F" designation on the choke end of the

carburetor is present, place the diaphragm on first, then

the gasket and cover. If no "F" is present, the gasket

goes first.

"F" DESIGNATION

3. Note or mark the high and low mixture adjustment

screws. Remove the screw assemblies.

. Note or mark the action of the choke and throttle

shutters and the hook points of the choke or throttle

return spring or seal retainer springs located on the top

of the choke or throttle shaft. Remove the throttle

shutter, throttle shaft, choke shutter, springs and choke

shaft by removing the screw or screws that attach the

throttle or choke shutter to the shaft inside the air horn.

DIAPHRAGM FIRST NOT GASKET

. Use a 9/32" (7.144 mm) thin wall socket to unscrew

and remove the inlet needle and seat assembly (diag.

6).

. Note and mark the direction of the inlet fitting. If

necessary the inlet fitting can be removed by pulling

with a pliers or vise. Some diaphragm carburetors have

a strainer as an integral part of the fuel fitting. If the

strainer is lacquered or cannot be cleaned, the fitting

must be replaced.

. Remove all welch plugs if cleaning the carburetor.

Secure the carburetor in a vise equipped with protective

jaws. Use a small chisel sharpened to a

/8" (3.175 mm) wide wedge point. Drive the chisel

into the plug to pierce the metal, then push down on

the chisel to pry the plug out of the hole.

NOTE: DO NOT REMOVE ANY BALL OR CUP PLUGS.

IMPULSE FUEL PUMP

To service, disassemble the pump by removing the four

(

4) screws. Clean all parts with a solvent and install a new

kit which consists of a coil spring, gaskets and diaphragms

(diag. 37 & 38).

FLOAT ADJUSTING PROCEDURE

All Tecumseh carburetors with an adjustable float require

the correct float height to achieve the proper operation

and easy engine starts. To check the float height, hold the

carburetor in an upside down position. Remove the bowl

nut, float bowl, and "O" ring. Place an 11/64" (4.36 mm)

diameter drill bit across the top of the carburetor casting

on the opposite side and parallel to the float hinge pin

NEW STYLE

OLD STYLE

11/64" (4.36 mm)

DRILL BIT

(

diag. 39). The float must just touch the drill bit when the

bit is flush with the edge of the float. If the float is too high

or too low, adjust the height by bending the tab

accordingly. If the required adjustment is minor, the tab

adjustment may be made without removing the float and

carefully inserting a small bladed screwdriver to bend the

tab.

Float sticking can occur due to deposits or when the fuel

tank is filled for the first time, this condition can be quickly

corrected by loosening the carburetor bowl nut one full

turn. Turn the bowl 1/4 turn in either direction, then return

the bowl to its original position and tighten the bowl nut.

RIM

INSPECTION

After careful disassembly of the carburetor and the removal of all non metallic parts, the carburetor body and all other

metallic parts should be cleaned with solvent, or commercial carburetor cleaner, no longer than 30 minutes. Use compressed

air and soft tag wire to clean internal carburetor passages. To do a proper cleaning job, the welch plugs must be removed

to expose the drilled passages.

NOTE: The nylon check balls used in some diaphragm carburetors are not serviceable. Nylon can be damaged if

subjected to harsh cleaners for prolonged periods.

Throttle and Choke

Examine the throttle lever and shaft, choke lever and shaft, and carburetor body at the bearing points and holes into

which the linkage is fastened, and replace if worn or damaged. Any looseness in these areas can cause dirt to enter the

engine and cause premature wear. If dust seals are present, these should be positioned next to the carburetor body.

Idle and High Speed Mixture Adjusting Screw

RETAINER NUT

Examine the idle mixture needle tip and tapered surface

for damage. The tip and tapered surface of the needle must

not show any wear or damage at all. If either is worn or

damaged, replace the adjusting needle. Tension is

maintained on the screw with a coil spring. Examine and

replace the “O” ring seal if damaged (diag. 40).

"O" RING

BRASS WASHER (used to protect the

O" ring from the spring)

SPRING

HIGH SPEED

ADJUSTMENT SCREW

Examine the tapered surface of the high speed mixture

needle. If the tapered surface is damaged or shows wear,

replace the needle (non-emissioned). Some Tecumseh

carburetors use serviceable jet main nozzles. These are

identified as being non-metallic.

IDLE FUEL

TRANSFER

PASSAGE

FUEL-INLET

PORTS

FUEL-

METERING

PORT

Fuel Bowl Retaining Nut

ONE-HOLE TYPE

TW0-HOLE TYPE

The retaining nut contains the transfer passage or metering

jet through which fuel is delivered to the high speed and

idle circuit of the carburetor. If a problem occurs with the

idle circuit, examine the small fuel passage in the annular groove in the retaining (metering) nut. This passage must be

clean for the proper transfer of fuel into the idle metering circuit. Torque retaining nut to 50 in. lbs. (5.65 Nm) when

reinstalling.

There are two different types of bowl nuts that are used on adjustable main, float style carburetors. One type has one fuel

metering port at the bottom of the nut, and the other has two fuel inlet ports at the bottom of the nut. This difference

relates to calibration changes to the carburetor and is dependent on the application (diag. 41).

NOTE: DO NOT INTERCHANGE BOWL NUTS.

The fuel inlet ports must be free of any debris to allow proper fuel flow.

Fuel Bowl, Float, Needle and Seat

The float bowl must be free of dirt and corrosion. Clean with solvent or carburetor cleaner.

Examine the float for damage. Check the float hinge bearing surfaces for wear, as well as the tab that contacts the inlet

needle. Replace any damaged or worn parts.

The needle and seat should be replaced if any fuel delivery problems are experienced (flooding or starvation). Sealing

problems with the inlet needle seat may not be visible, so replacement is recommended.

Diaphragms, Pulse Pumps, and Primer Bulbs

Inspect diaphragms, gaskets, and primer bulbs for cracks, tears, hardness or brittleness. Replace if necessary.

ASSEMBLY

Welch Plugs

FLAT END PUNCH

NEW WELCH PLUG

To install a new welch plug after cleaning the carburetor,

secure the carburetor in a vise equipped with protective

jaws. Place the welch plug into the receptacle with the

raised portion up. With a punch equal to, or greater than

the size of the plug, merely flatten the plug. Do not dent or

drive the center of the plug below the top surface of the

carburetor. After installation of the welch plug, seal the

outer diameter with finger nail polish or equivalent (diag.

SAME OR LARGER

DIAMETER OF

PLUG

SERIES 1, 6, 8, 9, 10

THROTTLE LEVER

THROTTLE

PLATE

42).

TWELVE O'CLOCK

POSITION

Throttle Shaft and Plate

When reassembling, it is important that the lines or lettering

on the throttle plate are facing out when in the closed

position. Position throttle plate with two lines at 12 and 3

o’clock. If the throttle plate has only one line, the line should

be positioned in the 12 o’clock position on Series 1, 6, 8,

and 9 carburetors, and positioned in the 3 o’clock position

on Series 3 and 4 carburetors (diag. 43 & 44).

SERIES 3 AND 4

THREE O'CLOCK

POSITION

Test the operation of the throttle and return spring (if

equipped). If binding occurs, correct by loosening screws

and repositioning throttle plate.

Always use a new screw(s) when reinstalling the throttle

shutter (Tecumseh screws are treated with dry-type

adhesive to secure them in place).

NOTE: NEVER REUSE OLD SCREWS.

Choke Shaft and Plate

The choke plate is inserted into the air horn of the carburetor

in such a position that the flat surface of the choke is

down. Choke plates will operate in either direction. Make

sure it is assembled properly for the engine. Test the

operation of the choke and return spring function if equipped

CHOKE PLATE

(diag. 45).

Always use a new screw(s) when reinstalling the choke

shutter as the screws are treated with dry-type adhesive

to secure them in place.

FLAT

DOWN

NOTE: NEVER REUSE OLD SCREWS.

The choke shaft and plate must be in the closed position

prior to tightening the screws. Hard starting may be due to

insufficient choking action because of a misaligned choke

plate. Correct by readjusting the choke plate to close

completely. Note the cut-out position of choke shutter if

applicable.

CHOKE PLATE

Fuel Inlet Fitting

Support the carburetor body with a wood block to avoid

damage to other parts. Use a bench vise or press to install

the fitting squarely. Insert the tip into the carburetor body,

coat the exposed portion of the shank with Loctite grade

A, then press it in until the shoulder contacts the carburetor

body.

FLAT SIDE DOWN

High and Low Speed Adjusting Screw, Main Nozzle

When reassembling, position the coil spring on the adjusting

screws, followed by the small brass washer and the “O”

ring seal. Turn the high speed adjustment screw in

approximately one turn into the bowl retainer nut to make

an assembly (diag. 47).

O" RING

RETAINER NUT

BRASS WASHER

SPRING

On 2-7 hp. engines that use carburetors which have the

metering rod in the idle circuit (carburetor should rattle when

shaking), make certain that the idle adjustment screw is

installed when the carburetor is in an upright position or

the needle will damage the metering rod, adjustment screw

and carburetor casting.

HIGH SPEED

TORQUE NUT TO

50 IN. LBS. (5.65 Nm)

ADJUSTMENT SCREW

Some carburetors are of the fixed main type and would

not have a high speed adjusting screw.

/32" FLAT PUNCH

SEAT

Inlet Needle and Seat

DRIVE IN UNTIL

SEAT RESTS ON

BODY SHOULDER

On float type carburetors, make sure the seat cavity is

clean. Moisten the seat with oil and insert the seat with

the grooved side down and away from the inlet needle.

Press the seat into the cavity using a flat punch close to

the diameter of the seat, making sure it is firmly seated

INSERT THIS

FACE FIRST

INLET NEEDLE

SEATS AT THIS

POINT

(diag. 48).

The inlet needle hooks onto the float tab by means of a

spring clip. To prevent binding, the long, straight end of the

clip should face the air intake end of the carburetor as

shown (diag. 49).

CLIP

OPEN END

OF CLIP

LONG END

OF CLIP

On diaphragm carburetors the inlet needle and seat

assembly are installed by using a socket to tighten the

assembly until seated.

THROTTLE

END

Needle and Seat Pop-Off Test

CHOKE

END

To test the pop-off pressure, remove the carburetor from

the engine. Be sure to drain any fuel into an approved

container. Invert the carburetor and remove the float bowl.

Place a drop of an oil based product such as WD-40 on

the tip of the needle valve. Using a commercially available

WASHER

-30 psi pump and gauge, attach the pumps hose to the

carburetor inlet. Apply approximately 6 psi or until the

needle pops off the seat. The needle should seat at 1.5 psi

or greater for a minimum of 5 minutes. If the minimum 1.5

psi cannot be maintained for this period of time, then service

to the needle and seat is required.

INLET SEAT

INLET NEEDLE

FLOAT SPRING

HINGE PIN

Float Installation

FLOAT

Reinstall the inlet needle and float into the carburetor. The

long end of the spring or clip on the inlet needle must point

toward the air intake end of the carburetor. If a float

dampening spring is used, reassemble using the following

steps (diag. 50).

1. Place the float upside down.

. Position the spring on the float with the long end around and to the back side of the float’s center back tang. The ends

must point toward the choke end of the carburetor. Hook the inlet needle clip on the inside float tang so the clip end

points to the choke end of the carburetor (diag. 50).

. Place the float, float spring, clip and inlet needle in position between the hinge legs of the carburetor. As the float

assembly nears the hinge legs, wind the outside end of the spring so it goes to the outside of the leg (counterclockwise

looking from the choke end).

. Install the hinge pin from the opposite hinge leg. The

bowl gasket must be positioned over the end of the

spring (diag. 51).

GASKET GOES

OVER SPRING

. Set the proper float height. See “Float Adjusting

Procedure” in this chapter.

CHOKE END OF

CARBURETOR

Diaphragm Assembly

The rivet head on the diaphragm must always face toward

the inlet needle valve. On carburetors with an “F” cast into

the carburetor flange as illustrated, the diaphragm goes

next to the carburetor body. Other diaphragm carburetors

have the gasket located between the diaphragm and

carburetor body. Install the cover retaining screws and

tighten (diag. 52).

ENDS OF SPRING POINT

TOWARD CHOKE END

OF CARBURETOR

Fuel Bowl And Bowl Nut

RIDGE AND

RIVET HEAD

GASKET

Whenever a carburetor bowl is removed for service, the

fuel bowl “O” ring must be replaced. For easier installation,

lubricate the “O” ring with a small amount oil.

RIDGE AND

RIVET

HEAD UP

Install the float bowl by placing the detent portion opposite

of the hinge pin. Make sure the deepest end of the bowl is

opposite of the inlet needle. The bowl has a small dimple

located in the deepest part. The purpose of this dimple is

to minimize the chances of the float sticking to the bottom

of the bowl caused by stale fuel (diag. 53).

GASKET

On some fixed jet (non-adjustable) and adjustable

carburetors, a fibered washer is required between the

carburetor bowl and the bowl retaining nut.

DETENT

Occasionally, on engines equipped with the dual system

carburetor, some rich starting conditions have occurred

when the engine is warm. This condition can be corrected

by inserting a non-metallic spacer in the center leg of the

carburetor, as shown (part # 632158). This spacer is

designed to reduce the amount of prime charge in the main

nozzle area for better starting under warm engine

conditions. It can only be used on Dual System carburetors

and does not lean out the carburetor mixture. (diag. 54)

This spacer must be reinstalled if originally equipped in

the carburetor.

Impulse Fuel Pump

The diaphragms must be installed against the center body

with the gaskets against the outside covers. The parts are

designed so they cannot be misassembled without damage

NON-METALLIC

SPACER

(diag. 54).

To test the unit, assemble the carburetor to the engine,

leaving the fuel line from the pump off. Use a different fuel

tank remotely placed above the carburetor to provide gravity

fuel flow to the carburetor inlet to run the engine while

testing the pump. Make sure fuel is available in both fuel

tanks and that the original fuel tank's fuel line is connected

to the fuel pump inlet. Place the pump outlet line in a proper

draining receptacle. With the pulse line connected from

the engine crankcase to the pump and the engine running,

a definite fuel flow should result at the pump outlet.

If the flow is erratic or intermittent, the pump needs repair

or replacement.

Primer Bulb

To install, start the retainer and bulb into the casting with

the retainer tabs pointed out. Firmly push the bulb and

retainer into position using a 3/4'’ (19.05 mm) deep well

socket (diag. 55).

Final Checks

Before reinstalling a newly overhauled carburetor, pre-set

the main mixture adjustment screw, the idle mixture

adjustment screw and the idle speed adjustment screw.

See “Pre-sets and Adjustments” in this chapter.

STANDARD SERVICE CARBURETORS

Tecumseh supplies some replacement carburetors on which parts from the old carburetors can be reused or new parts

added. This Standard Service Carburetor helps to reduce dealer inventories.

Standard Service Carburetors are built in both float and diaphragm versions.

The parts from the original carburetor that are necessary to make a standard service carburetor are: choke shaft, shutter

and spring, throttle lever and spring, fuel fitting, idle adjustment screw and spring. If any or all of these old parts are worn

or damaged, replace each part with a new service part to assure proper function and prevent engine damage. Use the

diagrams on the next page as a guide to facilitate the correct installation of parts (diag. 57 & 58).

Fuel Fitting

NOTE: MOST SERVICE CARBURETORS ARE MARKED “SVC CARB NF” IN THE PRICE LIST. THIS MEANS THAT

THE CARBURETOR COMES WITH NO FUEL FITTING.

Use the parts manual to obtain the same fuel inlet fitting that was installed in the original carburetor. Install the fuel fitting

in the new carburetor body in the same position as on the original carburetor. Support the carburetor body with a wood

block to avoid damage to other parts. Use a bench vise or press to install the fitting squarely. Press it in until it bottoms

out.

NOTE: PRESS FUEL FITTING IN SQUARELY USING CAUTION SO THAT THE CARBURETOR BODY IS NOT

DAMAGED.

Inlet Fuel Fitting

To remove a leaking or damaged fuel inlet fitting, use a

/4"(6 mm) bolt, 1/4" (6 mm) nut and 1/4" (6 mm) washer,

along with a 1/2" (12 mm) nut. Use a pliers or vise to

remove the plastic part of the inlet fitting. Tap the inside

of the remaining metal portion of the fitting using a

"- 20 (6 mm) tap. Place a 1/2" (12 mm) nut over the

fuel fitting (it may be necessary to guide one side of the

nut to seat it squarely to the carburetor). Next thread the

/4" (6 mm) nut on the bolt until it contacts the shank,

add the washer, and thread the bolt into the fitting until

snug. Tighten the 1/4"- 20 (6 mm) nut until the fitting is

removed. (diag. 56)

Choke Shaft

NOTE: Never reuse choke or throttle shutter screws, always replace with new Tecumseh service screws.

Remove the choke shutter screw from the original carburetor and remove the choke shaft. Observe the position of the

ends of the choke return spring if one is present. Also observe the position of the cut-out and/or holes in choke shutter.

Some chokes turn clockwise and some turn counterclockwise, note the position of the choke shaft prior to removal from

the old carburetor.

If a choke stop spring is present on the new carburetor and is not used on the old carburetor, cut it off with a side cutter

or pull it out using a pliers.

Test the action of choke shaft to make sure it moves freely and easily and does not bind in either open or closed position.

If binding occurs, loosen the shutter screw; reposition the shutter and tighten the screw.

Throttle Lever

Remove the throttle lever and spring and file off the peened end of the throttle shaft until the lever can be removed. Install

the throttle spring and lever on the new carburetor with the self-tapping screw furnished. If dust seals are furnished,

install them under the return spring.

Idle Speed Adjustment Screw

Remove the screw assembly from the original carburetor and install it in the new carburetor. Turn it in until it contacts the

throttle lever. Then an additional 1-1/2 turns for a static setting.

Final Checks

Consult the service section under “Pre-sets and Adjustments” and follow the adjustment procedures before placing the

carburetor on the engine.

FLOAT TYPE CARBURETOR

DIAPHRAGM TYPE CARBURETOR

THROTTLE LEVER

AND SHAFT

CHOKE SHAFT

SELF TAPPING SCREW

IDLE CRACK

SCREW AND

SPRING

CHOKE LEVER

AND SHAFT

LEVER

SPRING

WASHER

SPRING

WASHER

FELT SEAL

THROTTLE SHAFT

THROTTLE SHUTTER

CHOKE STOP

SPRING

FUEL INLET

SHUTTER SCREW

SHUTTER

IDLE

ADJUSTMENT

SCREW

CHOKE

SHUTTER

SHANK

SEAL

WASHER

SPRING

SCREW

FUEL FITTING

O" RING

SHUTTER

SCREW

SEAT AND CLIP

INLET NEEDLE

LOW SPEED

ADJUSTMENT

SCREW

DIAPHRAGM

SPRING CLIP

HIGH SPEED

ADJUSTMENT

SCREW

FLOAT

DIAPHRAGM

GASKET

FLOAT SHAFT

FLOAT BOWL

DIAPHRAGM

COVER

DIAPHRAGM

COVER SCREW

PRIMER FITTING

BOWL NUT WASHER

HIGH SPEED BOWL NUT

CHAPTER 4 GOVERNORS AND LINKAGE

GENERAL INFORMATION

This chapter includes governor assembly and linkage illustrations to aid in governor or speed control assembly.

Tecumseh 4 cycle engines are equipped with mechanical type governors. The governor’s function is to maintain a

constant R.P.M. setting when engine loads are added or taken away. Mechanical type governors are driven off the

engine’s camshaft gear. Changes in engine R.P.M. cause the governor to move the solid link that is connected from

the governor lever to the throttle in the carburetor. The throttle is opened when the engine R.P.M. drops and closes as

the engine load is removed.

OPERATION

SPRING

As the speed of the engine increases, the governor

weights (on the governor gear) move outward by

THROTTLE

GOVERNOR SHAFT

centrifugal force. The shape of the governor weights force

the governor spool to lift. The governor rod maintains

contact with the governor spool due to the governor spring

tension. As the spool rises, the governor rod rotates,

causing the attached outer governor lever to pull the solid

link and close the throttle opening. When the engine

speed decreases, the lower centrifugal force allows the

governor weights to be pulled in by the governor spring.

As the spool lowers, the governor rod rotates and the

solid link pushes the throttle to a more open position (diag.

WEIGHTS

GOVERNOR

SPOOL

GOVERNOR GEAR

INTERNAL COMPONENTS (VARIOUS STYLES)

RETAINING

RING

RETAINING

RING

SHAFT

SPOOL

ROD

ASSY

GOV.)

SPOOL

UPSET

SPOOL

SHAFT

RETAINING

RING

WASHER

(

NO RETAINING

RING

RETAINING

RING

SPOOL

GEAR ASSY.

SHAFT

GEAR ASSY.

(

GOV.)

(

GOV.)

WASHER

RETAINING

RING

WASHER

SPACER

WASHER

SHAFT

GEAR ASSY.

(GOV.)

GEAR

ASSY.

(GOV)

(

GOV.)

BRACKET

WASHER

SHAFT

SCREWS

TVS STANDARD

TVS UPSET

MEDIUM FRAME 4

HORIZONTAL

LEV

TROUBLESHOOTING

Engine problems where the governor is suspected to be the cause, may actually be the result of other engine system

problems. Hunting (engine R.P.M. surging up and down) indicates that the engine is incapable of maintaining a

constant R.P.M. with or without an engine load. Engine overspeeding (either with or without throttle movement) must

be corrected immediately before serious engine damage occurs. Use the following procedure to diagnose a suspected

governor problems.

ENGINE OVERSPEEDING

If the engine runs wide open (faster than normal), shut the engine off immediately.

Check the condition of the external governor shaft, linkage, governor spring, and speed control assembly for

breakage, stretching or binding. Correct or replace binding or damaged parts.

Follow the governor adjustment procedure and reset the governor - see "Service" in this chapter.

Run the engine. Be ready to shut the engine off if an overspeed problem still exists. If the problem persists, the

engine will require disassembly to inspect the governor gear assembly for damage, binding, or wear.

See Chapter 9 under "Disassembly Procedure" to disassemble the engine.

Remove the governor gear assembly. Repair or replace as necessary.

ENGINE SURGING

Try to stabilize the engine R.P.M. by holding steady the solid link between the governor arm and the carburetor

throttle, using a pliers or fingers.

If the engine R.P.M. stabilizes, the governor or governor adjustment should be checked. See "Service" governor

adjustment procedure in this chapter. If the engine R.P.M. does not stabilize, the engine will require additional

checks, see Chapter 9 under "Troubleshooting".

If the problem persists after the governor adjustment, check the engine R.P.M. found on microfiche card # 30. The

R.P.M. settings are critical. If the R.P.M. setting for high and low speed are within specification and a slight surge

is experienced, increasing the engine idle R.P.M. setting slightly may eliminate this condition.

Check the governor shaft or linkages for binding, wear, or improper hookup. Check the governor spring for adequate

tension. Repair or replace as necessary.

SERVICE

GOVERNOR ADJUSTMENT

PUSH LEVER

TO OPEN

THROTTLE

With the engine stopped, loosen the screw holding the

governor clamp on the governor lever. Rotate the clamp

in a direction that will force the throttle shaft open and

allow the governor follower arm to rest on the governor

spool. Push the governor lever connected to the throttle

to the wide open throttle position. Hold the lever and

clamp in this position while tightening the screw (diag.

GOVERNOR SHAFT

GOVERNOR SPOOL

GOVERNOR GEAR

GOVERNOR ADJUSTMENT PROCEDURE

FOR SHORT BLOCK INSTALLATIONS

Short block installation on 3-5 h.p. vertical shaft engines

built prior to 1977 may require the governor clamp

(

tinnerman style) to be repositioned to work properly. The

clamp must be removed from the governor rod and turned

to the same position as the original engine. Hook the

solid link and spring to the governor lever and position

the clamp on the governor rod. Follow the above governor

adjustment procedure to complete the short block

governor set-up. Units built after 1977 use the normal

governor set up procedure. (diag. 8)

VERTICAL

Figure B

1977 & Later

production

Figure A

Before 1977

production

GOVERNOR GEAR AND SHAFT SERVICE

After the cylinder cover is removed from the engine, the governor spool, gear, or governor shaft can be removed. On

older style governor assemblies, the retaining ring must be removed to allow the spool or gear to slide off the shaft.

Newer style governor shafts (3 - 6.75 model engines) use an upset to hold the governor spool on. If the gear requires

replacement, the governor shaft will have to be removed.

Governor Spool Replacement With Upset Style Governor Shaft

The spool can be replaced without removing the governor

shaft. Grip the original spool in a vise and use a twisting

and pulling motion on the flange until the spool is free.

Install the new spool by starting it on the shaft and then

turning the flange over. This will allow the weights to hang

in the proper position. Place the spool on a solid surface

and push on the flange until the spool seats. The governor

weights must be in position under the spool after

installation. (diag. 9)

Governor Gear or Shaft Replacement, Upset

Style Governor Shaft

Grip the original spool in a vise and use a twisting

and pulling motion on the flange until the spool is

free.

Clamp the shaft in a vise and pound gently on the

flange with a wooden or plastic mallet to remove the

shaft.

NOTE: DO NOT TWIST THE SHAFT WHEN REMOVING.

THE SHAFT BOSS MAY BECOME ENLARGED,

LEAVING THE NEW GOVERNOR SHAFT LOOSE AND

CAUSING SEVERE DAMAGE.

GEAR

To install a new shaft, first assemble the gear and

washer on the shaft. Start the shaft into the hole with

a few taps from a soft faced hammer.

SHIM

WASHER

Place the flange in a press with a solid piece

supporting the area below the shaft boss. Press the

shaft in until a shim, part # 670297 just becomes

snug [.010 - .020 (.254 - .508 mm) clearance].

SHAFT BOSS

670297 (modified)

Governor Shaft Replacement, Retaining Ring

Style

ENGINE MODEL

ECH90

ECV100

EXPOSED SHAFT LENGTH

Remove the retaining ring, spool, gear assembly, and

washers.

H 30, 35

HS 40, 50

LAV 35

Clamp the shaft in a vise and pound gently on the

flange with a wooden or plastic mallet to remove the

shaft.

Mounting flange to Top

1.319 - 1.334"

LEV (all)

(

33.502 - 33.883 mm)

OHH (all)

OVRM (all)

TNT 100, 120

TVS (all)

NOTE: DO NOT TWIST THE SHAFT WHEN REMOVING.

THE SHAFT BOSS MAY BECOME ENLARGED AND

THE NEW GOVERNOR SHAFT WILL BE LOOSE AND

MOVE.

TVM (all)

V 50, 60, 70

VH 50, 60, 70

Mounting flange to Top

1.581 - 1.596"

(25.806 - 26.314 mm)

Start the new shaft into the shaft boss by tapping

with a soft faced hammer.

Mounting flange to Top

Refer to the chart at right for the proper shaft exposed

length. Add a drop of red Loctite 271 and press the

governor shaft to the proper depth using a press or a

vise. Wipe the extra Loctite off after installation (diag.

HH 100, 120

VH 100

1.016 - 1.036"

(

25.806 - 26.314 mm)

H 50, 60, 70

HH 60, 70

HHM80

Mounting flange to Shoulder

.283 - 1.293"

32.588 - 32.842 mm)

1).

(

Reassemble the governor and install the retaining

ring.

HM 70, 80, 100

SPEED CONTROLS AND LINKAGE

Many different types of speed controls and linkage are used for O.E.M. applications. Linkage attachment points are best

recorded or marked prior to disassembly. This assures the correct placement during reassembly. On vertical shaft

engines the solid link is always connected from the outermost hole in the governor lever to the throttle in the carburetor.

The link with the governor spring attached is connected between the control lever and the lower hole in the governor

lever. Horizontal engines use one location (non-adjustable) speed control brackets. Most vertical engines use an adjustable

speed control bracket mounted above the carburetor. The ignition ground out switch, idle R.P.M. and high speed R.P.M.

adjustment screws are located on the speed control bracket. Some models use the idle R.P.M. adjustment on the

carburetor.

Most vertical shaft engines must have the speed control bracket aligned when installing. To align the control bracket, use

the following steps.

LOOSEN TO ADJUST

Loosen the two screws on the top of the panel.

WIRE

HOLE

Move the control lever to full wide open throttle position

and install a wire or aligning pin through the hole in the

top of the panel, the hole in the choke actuating lever,

and the hole in the choke (diag. 12).

With the components aligned, tighten the two screws

on the control panel.

The following pages illustrate common linkage

attachment. Whenever the carburetor or the governor

linkage is removed or replaced, the engine R.P.M.'s

should also be checked. Use microfiche card #30 or the

computer parts look-up system for the correct R.P.M.

settings for the engine model and specification.

CONTROL LEVER

LOW SPEED TAB

HIGH SPEED TAB

SNAP IN "STYLE SPEED CONTROL"

HIGH SPEED

PIN POSITION

This style of speed control is used on 3 - 6.75 model

rotary mower engines and is adjusted by two bendable

tabs. Use the speed adjustment tool (part # 670326) as

illustrated in diag.13 to adjust engine speed.

To adjust high speed, move the speed control lever to

the high speed position and align the high speed pin

holes. Place the adjustment tool on the high speed tab

and move the tab to achieve the correct engine speed.

Move the speed control lever to the low speed position,

place the adjustment tool on the low speed tab and bend

to either increase or decrease to the correct speed.

DECREASE

INCREASE

TOOL 670326

GOVERNED

IDLE SPEED SCREW

ADJUSTING RPM ON MEDIUM FRAME

VERTICAL SPEED CONTROL

HIGH SPEED

ADJUSTMENT TAB

GAP OF

040 - .070

1.016 - 1.778 mm)

This speed control is adjusted by aligning the slot in the

speed control lever with the alignment hole on the mounting

bracket. Place a pin through the two holes, place the

equipment throttle control to the wide open position, hook

the bowden cable end in the control as shown, and tighten

the cable housing clamp. In this position, the gap of .040"

(

.070" (1.016 - 1.778 mm) should exist at the gap location

HIGH SPEED

PIN POSITION

as illustrated. This will assure that the carburetor will go

into full choke when the control is placed in the start

position.

TOOL

70326

DECREASE

INCREASE

ADJUSTING GOVERNED/NON-GOVERNED

With the engine running at its lowest speed, set the

governed idle at the designated RPM by adjusting the

governed idle screw or bending the idle tab. Next set the

non-governed idle by pushing the bottom of the governor

lever away from the control brackets so the throttle lever

contacts the idle speed crack screw (on the carburetor).

Hold the lever in this position and turn the crack screw to

.040 - .070 (1.016 - 1.778 mm)

GAP LOCATION

HIGH SPEED

ADJUSTMENT TAB

BEND AREA

CHOKE ADJUSTING

TAB

00 RPM below the governed idle speed. This setting

CONTROL

LEVER

prevents the throttle plate from closing off when going

from high speed RPM to low speed RPM. If improperly

adjusted, the engine could experience an over lean

condition.

HIGH SPEED

PIN POSITION

DECREASE

INCREASE

The idle speed is adjusted by turning the idle speed screw

clockwise to increase engine R.P.M. and counter-

clockwise to decrease R.P.M. Use tool part # 670326 to

adjust the high speed engine R.P.M. Place the slotted

end of the tool onto the adjustment tab and bend the tab

to the left (toward the spark plug end) to increase engine

R.P.M. (diag. 14).

GOVERNED

IDLE ADJUSTING

SCREW

TOOL

70326

NOTE: Some engines use nylon bushings on the throttle

and choke linkage hook-up points to extend the life of

the linkage and to enhance the stability of the governor

system. Make sure they are in good condition and in place.

ADJUSTING RPM ON MEDIUM FRAME

VERTICAL

(

up/down speed control)

To adjust the high speed RPM on Medium Frame Vertical

engines, move the control lever to the high speed pin

position (align high speed pin holes in the speed control

bracket). Place the slot on the straight end of tool (number

70326) onto the high speed adjustment tab as pictured.

Rotate the bent end of the tool counterclockwise to

increase RPM and clockwise to decrease RPM. (diag.

5).

HORIZONTAL SHAFT ENGINES

IDLE SPEED

CRACK SCREW

IDLE SPEED

CRACK SCREW

HIGH SPEED

RPM

ADJUSTMENT

SCREW

HIGH SPEED

RPM

ADJUSTMENT

SCREW

HORIZONTAL LIGHTWEIGHT

LIGHTWEIGHT R.V. TYPE

IDLE SPEED

CRACK SCREW

HIGH SPEED

RPM

ADJUSTMENT

SCREW

IDLE

MIXTURE

SCREW

MAIN

MIXTURE

SCREW

SMALL FRAME

HIGH SPEED RPM

ADJUSTMENT SCREW

IDLE SPEED CRACK SCREW

IDLE SPEED

CRACK SCREW

HIGH SPEED RPM

ADJUSTMENT SCREW

CONSTANT SPEED APPLICATIONS

HORIZONTAL MEDIUM FRAME

HORIZONTAL SHAFT ENGINES (CONTINUED)

HIGH SPEED RPM

ADJUSTMENT SCREW

IDLE SPEED

SCREW

MAIN MIXTURE

SCREW

IDLE SPEED

CRACK SCREW

IDLE MIXTURE

SCREW

IDLE MIXTURE

SCREW

HORIZONTAL MEDIUM FRAME

HMSK80-100

IDLE SPEED

CRACK SCREW

HIGH SPEED RPM

ADUSTMENT SCREW

MEDIUM FRAME

BEND LOOP OPEN OR

CLOSED TO ATTAIN

OPERATING RPM'S

TO INCREASE SPEED - CLOSE LOOP

TO DECREASE SPEED - SPREAD LOOP

IDLE SPEED

CRACK SCREW

MAIN MIXTURE

SCREW

SNOW KING ENGINES

VERTICAL SHAFT ENGINES

HIGH SPEED

ADJUSTMENT

SCREW

BEND Ó TO INCREASE SPEED

BEND Ô TO DECREASE SPEED

IDLE SPEED

CRACK SCREW

VERTICAL SHAFT ENGINES

TNT 100 VERTICAL ENGINES

TVS 115 ENGINE WITH "SNAP IN"

SPEED CONTROL

IDLE SPEED

CRACK SCREW

IDLE MIXTURE

SCREW

TVXL 220 WITH HORIZONTAL SPEED CONTROL

STANDARD TVM ENGINE WITHOUT GOVERNOR

OVERRIDE

GOVERNOR OVERRIDE SYSTEM FOR

TVM170, 195 AND 220 ENGINES

This system will be found starting on 1985 production

models, and will not retrofit onto older engines. It is

designed to allow the governor to regulate the low and

high speeds of the engine. The high speed is adjusted at

the top screw of the override lever; to increase R.P.M.

turn the screw out (counterclockwise), to decrease R.P.M.

turn the screw in (clockwise). The low speed is adjusted

at the bottom screw of the override lever; to increase

R.P.M. turn the screw in or clockwise, to decrease R.P.M.

turn the screw out or counterclockwise (diag. 31).

MAIN MIXTURE

SCREW

HIGH SPEED

ADJUSTMENT SCREW

LOW SPEED ADJUSTMENT SCREW

GOVERNED / NON-GOVERNED IDLE

TVM ENGINES WITH GOVERNOR OVERRIDE 31

With the engine throttle set at its lowest speed, set the

governed idle at the designated RPM by bending the idle

RPM tab or adjusting a screw. Next set the non-governed

idle by pushing the bottom of the governor lever away

from the control brackets, so the throttle lever contacts

the idle speed screw. Hold the lever in this position and

turn the idle adjustment screw clockwise to increase or

counterclockwise to decrease engine idle speed. The

setting on the carburetor screw should be set 600 RPM

below the governed idle setting. This setting prevents the

throttle plate from closing when going from high speed

RPM to low speed RPM. If improperly adjusted, the engine

could experience an over lead condition.

CHAPTER 5 REWIND STARTERS

GENERAL INFORMATION

Rewind starters used on vertical shaft Tecumseh engines are top mount horizontal pull style or side mount vertical

pull style. Horizontal shaft engines use side mounted starters which can be mounted to pull either vertically or horizontally.

All rewind starters except the vertical pull style turn the engine over by engaging a dog(s) into the starter cup attached

to the engine flywheel. The vertical pull starter engages the starter gear into the ring gear of the flywheel to turn the

engine over. All starters are spring loaded to retract the dog(s) or starter gear when the engine speed exceeds the

turning speed of the starter.

OPERATION

As the starter rope is pulled, the starter pulley rotates on the center pin. The starter dog(s) is pinned or pocketed in the

pulley hub and extends outward when the pulley's rotation forces the starter dog(s) to contact the ears on the retainer.

The retainer ears act as a ramp to fully extend the starter dog(s). The fully extended starter dog(s) locks in contact

with notches in the starter cup. When the engine fires and the rotational speed of the starter cup exceeds the starter

pulley, the starter dog(s) disengages from the starter cup. The starter dog spring(s) returns the starter dog(s) to the

disengaged position. The recoil spring turns the starter pulley in the opposite direction, retracting the starter rope until

the handle contacts the stop.

COMPONENTS

STARTER HOUSING

HANDLE

HOUSING

HANDLE

ROPE

SPRING & KEEPER

PULLEY AND REWIND

SPRING ASSY.

DOG SPRING

PULLEY

DOG

STARTER DOG

WASHER

RETAINER

DOG SPRING

RETAINER

BRAKE SPRING

BRAKE WASHER

CAM DOG

BRAKE SPRING

WASHER

CENTER SCREW

SPRING PIN

SERVICE

Starter related problems will require the starter to be removed from the engine to diagnose the cause. Visually inspect

the starter dog(s), starter cup, retainer, springs, rope, washers, and the starter pulley for wear or breakage. Use one

of the following procedures that applies to your application, to disassemble, repair, and assemble the starter. Always

consult the Tecumseh Master Parts Manual for the correct replacement parts.

ROPE SERVICE

Rope replacement should be done using the correct part number replacement rope or braided rope of the correct

diameter and length. Consult the Tecumseh Master Parts Manual to obtain the correct part number, length, and size

required. Use the following rope chart to convert a numbered rope to a fractional diameter for bulk rope use.

4 1/2 rope

5 rope

9/64" (3.572 mm) diameter

5/32" (3.964 mm) diameter

3/16" (4.762 mm) diameter

Part No. 730526

Part No. 730514

Part No. 730516

100' (30.48 meters) spool

6 rope

Standard rope lengths

LEFT-HAND

KNOT

4" (16.5 meters) standard stamped steel starter

1" (18.6 meters) vertical pull - horizontal engagement

type

5" (20 meters) vertical pull - vertical engagement

type

5" (26 meters) extended handlebar rope start

(

compliance)

Check the old rope for the right length for the application.

Some applications require longer lengths. The rope ends

should be cauterized by burning with a match and wiping

the rope end with a cloth while hot.

Rope replacement can be done without the starter being

disassembled on vertical pull starters that have "V"

notches in the bracket. Use the following procedure for

rope replacement.

Remove the starter assembly from the engine.

Turn the pulley until the staple in the pulley lines up

with the "V" notch. Pry out the staple with a small

screwdriver and remove the original rope (diag. 3).

ONE PIECE ROPE RETAINER

Turn the pulley counterclockwise to fully wind the

starter return spring until tight. Allow the pulley to

unwind until the hole in the pulley lines up with the

"V" notch.

Hold the pulley in this position and feed the new rope

through the hole and tie a left-handed knot on the

rope end. Make sure the rope and knot do not

protrude from the knot cavity and bind the pulley

rotation.

STARTER HOUSING

HANDLE

ROPE

PULLEY AND REWIND

SPRING ASSY.

RETAINER REPLACEMENT (DIAGRAM 4)

Remove the starter handle if the retainer is a complete

circle design. Remove the staple and old retainer.

DOG SPRING

STARTER DOG

Slide the rope retainer into the proper position and

insert the staple using a pliers.

WASHER

RETAINER

Install the starter handle and tie a left hand knot to

secure the handle.

BRAKE SPRING

WASHER

STYLIZED REWIND STARTER (TVS, HM, TVM,

TVXL), AND STAMPED STEEL STARTER (HM,

VM, TVM, TVXL)

SPRING PIN

Disassembly Procedure

After removing the rewind assembly from the engine

blower housing, release the tension on the rewind

spring. This can be done by removing the starter

handle and carefully allowing the rope to unwind in

the starter housing assembly.

Place a 1" (25 mm) deep well socket under the

retainer. Set the rewind on a bench, supported on

the socket.

Use a 5/16" (7.938 mm) or 1/4" (6.35 mm) (for

stamped steel) roll pin punch to drive out the center

pin. The stamped steel center pin is driven out from

the top, inside the center hole. Move the punch around

while driving the pin to help keep the pin straight.

CAUTION: THIS REWIND SPRING IS NOT SECURED IN A CANISTER. PULLEY BOSSES HOLD THE

REWIND SPRING AND COVER, AND CAN BE EASILY DISLODGED DURING HANDLING.

. Remove the brake spring, spring retainer, washers, and pulley assembly (diag. 7, 8, 9 & 10)

NOTE: THE STARTER DOGS FACE OUT ON THE STAMPED STEEL STARTER AND THE DOGS FACE IN ON THE

STYLIZED REWIND STARTER.

5. All components in need of service should be replaced.

SPRING PIN 1/8"

FROM TOP

STARTER HOUSING

HANDLE

Assembly Procedure

LEFT-HAND

KNOT

NOTE: It is critical to support the starter on a deep well

socket to prevent damage.

Reverse the disassembly procedure. The starter dogs

with the dog springs must snap back to the center of

the pulley (disengaged position). When the rope is

pulled, the tabs on the retainer must be positioned

so that they will force the starter dogs to engage the

starter cup. (diag. 7 & 8)

HANDLE INSERT

ROPE

DOG SPRING

PULLEY AND REWIND

SPRING ASSY.

WASHER

STARTER DOG

BRAKE SPRING

SPRING PIN

Always replace the center spring pin with a new one

upon reassembly. Place the two new plastic washers

between the center leg of the starter and the retainer.

New plastic washers are provided with a new center

spring pin. Discard the old plastic washer.

RETAINER

WASHER

Place the rewind on a flat surface and drive the new

center pin in until it is within 1/8" (3.175 mm) of the

top of the starter.

SPRING PIN 1/8"

FROM TOP

STARTER

HOUSING

NOTE: DO NOT DRIVE THE CENTER PIN IN TOO FAR.

HANDLE

ROPE

The retainer will bend and the starter dogs will not

engage the starter cup. On the stamped steel starter

the center pin should be driven in until it contacts the

shoulder in the starter body.

PULLEY AND REWIND

SPRING ASSY.

Wind the starter pulley counterclockwise four or five

turns to pre-load the recoil spring, thread the rope

through the starter housing eyelet and tie a temporary

knot in the rope. Reattach the starter handle to the

rope using a left-hand knot. Untie the temporary knot

and allow the rope to recoil.

DOG SPRING

STARTER DOG

WASHER

RETAINER

BRAKE SPRING

WASHER

SPRING PIN

STYLIZED REWIND STARTER WITH

PLASTIC RETAINER

Dis as s embly Procedure

Use a small Phillips screwdriver or similar tool to pry

the retainer legs apart and lift out the retaining wedge

or steel clip on newer style starters).

After removing the rewind assembly from the engine

blower housing, remove the starter handle by first

pulling a length of rope out using the handle, tying a

temporary knot in the exposed rope, and either

untying the knot in the handle or prying out the staple.

(

Pinch the legs of the retainer together and pull on

the head of the retainer to remove it from the housing.

Untie the temporary knot and slowly allow the rope

to fully retract into the starter housing and the recoil

spring to fully unwind.

Remove the pulley assembly from the recoil housing.

Repair or replace as necessary.

Remove the decal from the center of the starter

housing.

As s embly

LEFT-HAND

KNOT

RETAINING WEDGE

STEEL CLIP - NEW STYLE)

(

If replacing the starter rope, see Step 8.

Extreme caution should be used when working

with springs. Always where appropriate safety

equipment.

STARTER

HOUSING

Install a new recoil spring if necessary by pushing

the new spring out of the holder into the pulley cavity

while aligning the outside spring hook into the deep

notch in the pulley. Push the spring cover in until

seated.

STARTER PULLEY

SPRING & COVER

Apply a small amount of lithium grease to the inner

bore of the center shaft.

Replace or check that both starter dogs are in the

pulley pockets and that the dog springs are hooked

on the outer surface of the dog.

DOG SPRING

STARTER DOG

Pinch the two legs of the plastic retainer together

and start into the center shaft hole.

DOG RETAINER

Rotate the retainer so the two tabs on the bottom of

the part fit between the dog and pulley hub (left side

of the dog). Push the retainer in until the leg prongs

pop out of the center shaft.

Turn the starter over and snap the locking tab

between the retainer legs, replace the top decal.

NOTE: Refer to Service Bulletin 122 for steel locking

clip.

Wind the starter pulley counterclockwise four or five

turns to pre-load the recoil spring and thread the rope

through the starter housing eyelet. Pull enough rope

through to tie a temporary knot in the rope. Reattach

the starter handle to the rope using a left-hand knot.

Untie the temporary knot and allow the rope to recoil.

STANDARD STAMPED STEEL AND CAST

ALUMINUM STARTER (HM, VM)

STARTER

HOUSING

Disassembly Procedure

REWIND

HANDLE

SPRING AND

KEEPER ASSY.

Untie the knot in the rope and slowly release the

spring tension.

Remove the retainer screw, retainer cup (cam dog

on snow proof type), starter dog(s) and dog spring(s),

and brake spring (diag. 10).

HANDLE INSERT

ROPE

DOG SPRING

PULLEY

STARTER DOG

DOG RETAINER

Turn the spring and keeper assembly to remove the

pulley. Lift the pulley out of the starter housing.

Replace all worn or damaged parts.

RETAINER SCREW

CAM DOG

WASHER

BRAKE SPRING

SPRING PIN

Assembly Procedure

Place the rewind spring and keeper assembly into

the pulley. Turn the pulley to lock into position. A light

coating of non-freeze grease should be applied on

the spring.

Place the pulley assembly into the starter housing.

Install the brake spring, starter dog(s), and starter

dog return spring(s). The starter dog spring(s) must

hold the dog(s) in against the pulley. On Snow King

engines the starter dog posts should be lubricated

with S.A.E. 30 engine oil.

LEFT-HAND

KNOT

HOUSING

Replace the retainer cup (cam dog on snow proof

starter) and retainer screw. Tighten to 65 - 75 in. lbs.

Older models that use a 10 - 32 retainer screw can

be replaced with a larger 12 - 28 screw (part #

HANDLE

SPRING &

KEEPER ASSY.

(

90409A). Re-drill the screw hole using a 13/64"

4.35 mm) drill bit. The center screw torque on cast

aluminum starters is 115 to 135 in. lbs (13 - 15 Nm)

diag. 11 & 12).

PULLEY

(

BRAKE SPRING

RETAINER

DOG SPRNG

Add-on alternator starters must have the center

tubular rivet replaced each time the tubular rivet is

removed. The tubular rivet should be pressed to a

depth of 1/4" (3.175 mm) from the top of the starter

housing. Skip this step if not applicable.

RETAINER SCREW

CENTER PIN

Apply tension to the recoil spring by winding the pulley

counterclockwise until it becomes tight, then allow

the pulley to unwind until the hole in the pulley lines

up with the rope eyelet in the starter housing. Install

a knotted rope through the pulley and the eyelet and

install the handle. A left-hand knot should be tied on

the end of the rope to secure the handle.

HANDLE

HOUSING

If a centering pin is used, be sure to align with the

crankshaft (bottom pin in center screw hole). Install

nylon sleeve 1/8" (3.175 mm) onto pin. Position nylon

sleeve in aligning recess in the crankshaft. START

SPRING &

KEEPER

PULLEY

two mounting screws in blower housing 90 apart.

With sleeve centered in crankshaft, gently push the

starter in place, tighten the two mounting screws,

insert and tighten the other two screws.

DOG SPRING

RETAINER

DOG

BRAKE WASHER

BRAKE SPRING

CAM DOG

CENTER SCREW

VERTICAL PULL STARTER HORIZONTAL

ENGAGEMENT TYPE

Disassembly Procedure

HANDLE

ROPE CLIP

ROPE

SCREW

Remove the handle and relieve the starter spring

tension by allowing the rope to slip past the rope clip.

Remove the spring cover by carefully removing the

two small screws. Carefully take out the spring.

Remove the center hub screw and the spring hub.

Lift off the gear and pulley assembly. Disassemble

the pulley assembly by removing the snap ring and

washer (diag. 13).

Remove the starter rope if necessary. Replace all

worn or damaged parts.

LEFT-HAND

KNOT

Assembly Procedure

Insert the rope through the starter pulley.

Assemble the gear, pulley, washer, and snap ring.

RECEPTACLE

FOR RAISED

SECTION

MOUNTING BRACKET

TAB MUST FIT INTO

SPRING LOOP

Place a small amount of grease on the center shaft,

place the gear and pulley into position making sure

the brake spring loop is positioned over the metal

tab on the bracket. The rope clip must fit tightly onto

the bracket. The raised section fits into the hole in

the bracket (diag. 14 & 15).

Install the hub and hub screw. Torque the hub screw

to 45 - 55 in. lbs. (5 - 6 Nm). A loose hub screw will

prevent the rope from retracting.

RAISED SPOT

BRAKE

ROPE CLIP

Install the return spring if necessary. A replacement

spring is installed by placing the spring and its retainer

over the top of the pulley and pushing the spring out

of the retainer into the pulley's recessed area.

Install the spring cover and the cover screws.

Wind the rope onto the pulley by slipping it past the

rope clip. When the rope is fully wound on the pulley,

wind the pulley assembly two additional turns to put

tension on the spring.

Mount the starter on the engine making sure the top

of the starter gear teeth are no closer than 1/16"

(1.59 mm) from the top of the flywheel ring gear teeth.

ROTATE

COUNTERCLOCKWISE

VERTICAL PULL STARTER, VERTICAL

ENGAGEMENT TYPE

Disassembly Procedure

Pull out enough rope to lock the rope in the "V" of the

bracket.

STRUT

Remove the handle if necessary by prying out the

small staple in the handle with a screwdriver.

Place the starter bracket on the top of a deep well

socket that is large enough to receive the head of

the center pin. Use an arbor press to drive out the

center pin.

Rotate the spring capsule strut until it is aligned with

the legs of the brake spring. Insert a nail or pin no

longer than 3/4" (19.05 mm) through the hole in the

strut so it catches in the gear teeth. This will keep the

capsule in the wound position (diag. 16).

Slip the sheave out of the bracket.

CAUTION: DO NOT ATTEMPT TO REMOVE THE

SPRING CAPSULE FROM THE SHEAVE

ASSEMBLY UNLESS THE SPRING IS FULLY

UNWOUND.

Squeeze and hold tightly by hand the spring capsule

at the outer edge against the gear sheave.

ORIGINAL INSTALLATION WITH STAPLE

Remove the retainer pin from the strut and slowly

relieve the spring tension by allowing the spring

capsule to rotate slowly under control, until completely

unwound. The spring capsule can now be removed

from the gear sheave.

LEFT-HAND

KNOT

INSTALL NEW

ROPE BY TYING

LEFT-HAND

KNOT

Assembly Procedure

PRY STAPLE

OUT TO

REMOVE OLD

ROPE

Feed the new rope through the hole and tie a left-

handed knot on the rope end. Make sure the rope

and knot do not protrude from the knot cavity and

bind the pulley rotation (diag. 17).

REINSTALL

LEFT-HANDED

KNOT

Wind the rope on the sheave assembly clockwise,

viewing the gear from the gear side of the sheave.

Reinstall the brake spring, being careful not to spread

the spring more than necessary.

Install the spring capsule, making sure the starter

spring end hooks on the gear hub (diag. 18).

GEAR HUB

STARTER SPRING

END

Wind the spring four full turns and align the brake

spring legs with the strut as shown. Insert the pin in

the strut (diag. 19).

If the starter is equipped with a locking or delay pawl

and spring, make sure these are in place before

grasping the gear and spring capsule assembly and

sliding it into the bracket. Make sure the legs of the

brake spring are positioned in the slots of the bracket.

SPRING HOOKED ON

GEAR HUB

ROTATE SPRING

Feed the rope end under the rope guide and hook it

into the "V" notch. Remove the pin and the strut will

rotate clockwise against the bracket (diag. 21).

FULL TURNS

Insert the new center pin by pressing or driving the

pin firmly in place. Reinstall the starter assembly on

the engine (diag. 21).

STARTER HANDLE

ROPE

BRAKE

PULLEY

SPRING

ASSY.

PAWL SPRING *

CLIP *

KEY*

STRUT

PAWL

GUIDE BRAKE ENDS

THROUGH SLOT

WHEN PIN IS REMOVED STRUT

WILL ROTATE 45 CLOCKWISE

ROPE CLIP

LOCKING PAWL*

BRACKET

"V"ROPE WEDGE

USED ON SOME MODELS

CHAPTER 6 ELECTRICAL SYSTEMS

GENERAL INFORMATION

The electrical system consists of three main elements: a battery, a starting circuit, and a charging circuit. The battery

is part of both the starting and charging circuit. The battery should be checked before going into any extensive starter

or charging system checks. If a battery has a shorted cell, overcharging can result, and the regulator or rectifier may

appear to be at fault. If a cell has an open or high resistance connection, the electric starter operation will be affected.

The power source used to provide the energy to turn an electric starter motor on Tecumseh engines is either 120 volt

A.C. current or 12 volt D.C. An A.C. starter circuit utilizes a 120 volt power source instead of a battery. The 12 volt

battery models require a charging system to maintain proper battery charge.

The starting circuit includes the battery, battery cables, starter or ignition switch, safety switches, and an electric

starter motor.

The charging system consists of alternator charge coils, rectifiers or diodes, regulator, ignition switch, flywheel magnets,

and a battery. All engines that have a charging system will use a combination of some or all of these features.

OPERATION

STARTING CIRCUIT AND ELECTRIC

STARTERS

LOCK NUT

BOLT

BRUSHES

END CAP

WASHER

NUTS

After all of the safety interlock switches have been

activated, the starter switch will complete the circuit. A

strong magnetic force is produced by the electrical current

running through the armature windings. The armature

magnetism repels the magnetism produced by the

permanent field magnets of the electric starter. The

repelling magnetic forces cause the armature to rotate,

moving the drive pinion laterally on the splined armature

shaft, meshing the starter pinion gear with the flywheel

ring gear. When the drive pinion contacts the stop at the

end of the armature shaft, the pinion rotates along with

the armature shaft to crank the engine. The armature and

pinion remain positively engaged until the engine fires

and the flywheel rotates faster than the armature. The

greater momentum of the flywheel throws the starter

pinion gear out of mesh and forces the starter pinion back

to the disengaged position. After the switch is released,

the starting circuit is opened and the armature coasts to

a stop. A small anti-drift spring holds the pinion in the

disengaged position (diag. 1).

BRUSH SPRINGS

BRUSH CARD

HOUSING

ARMATURE

SPRING

RETAINER

THRUST WASHER

END CAP

RETAINER

ENGAGING NUT

GEAR

SPRING

DUST COVER

CHARGING CIRCUIT

ROTATION OF FLYWHEEL

When a conductor (alternating coils) cuts the magnetic

field generated by the magnets in the flywheel, a current

will be induced in the alternator coil. The permanent

magnets in the flywheel have a magnetic field in which

the lines of magnetic force run from the North Pole to the

South Pole. As the flywheel rotates and the position of

the magnets change, the direction of the magnetic field

changes or alternates. The alternating coils are wound in

different directions to allow current to flow as an A.C.

waveform (diag. 2).

CONVERTING ALTERNATING CURRENT TO

DIRECT CURRENT

CATHODE

ANODE

BAND OR OTHER

MARKING INDICATES

CATHODE END

In order to charge a battery, it is necessary to convert

alternating current (A.C.) to direct current (D.C.). This is

accomplished by using a diode or rectifier (diag. 3). A

single diode makes use of only one half of the A.C. signal

and is known as HALF WAVE RECTIFICATION (diag. 4).

This is acceptable in certain applications. In certain

situations it is necessary to make use of the entire A.C.

signal. To accomplish this, multiple diodes in a bridge

configuration are used to produce FULL WAVE

RECTIFICATION (diag. 5).

DIRECTION OR FLOW OF CURRENT

Current flows through a diode when the anode is more positive than the cathode. The cathode end of the diode should

point toward the battery when diode is used between a charging system and a battery.

HALF WAVE RECTIFIER SINGLE DIODE

The single diode allows only the positive half of the A.C. signal through. It does not allow the negative portion through.

HALF WAVE RECTIFIER

(SINGLE DIODE)

VOLTAGE

A.C. INPUT

D.C. OUTPUT

VOLTAGE

- VOLTAGE

FULL WAVE RECTIFIER

FULL WAVE RECTIFIER (BRIDGE

RECTIFIER)

(BRIDGE RECTIFIER)

VOLTAGE

The full wave rectifier makes use of the entire A.C. signal,

converting it to D.C.

- VOLTAGE

A.C. INPUT

COMPONENTS

BATTERY

A.C. INPUT

+ VOLTAGE

D.C.)

(

VOLTAGE

The batteries used in conjunction with Tecumseh engines

are 12 volt lead acid or “maintenance free” style. The

chemical energy produced by the dissimilar metals of the

battery plates provides a electrical potential that is used

to power the electric starter or unit accessories. Consult

the original equipment manufacturer’s service manual for

battery size, capacities, and testing procedure.

D.C. OUTPUT

VOLTAGE

WIRING

The wires used in Tecumseh electrical systems are copper stranded with an insulated coating around the copper

strands.

CONDITION: All wiring must be fully insulated between connection points, securely fastened and free of foreign

material (such as rust and corrosion) at the connection points. This is especially important in the use of batteries

where much of the potential may be lost due to loose connections or corrosion. Remember to check the insulation on

the wire. All it takes is a pin hole to "ground out" on the engine or frame. This is of special concern when moisture or

water is present. This may cause the engine to run erratically or be impossible to start.

WIRE GAUGE: The proper thickness of wire is necessary

in all electrical circuits. Wire diameter is measured in

increments of gauge numbers. As the gauge number of

the wire increases, the wire diameter decreases in size

THE LARGER THE NUMBER THE SMALLER THE WIRE

(

diag.6).

The starter circuit wiring must be rated at #6 or lower

gauge number.

The charging circuit wiring must be rated at #16 or

lower gauge number (20 amp system requires #14

or lower gauge number).

The magneto circuit wiring (ground circuit) must be rated at #18 or lower gauge number.

Tecumseh's standard engine wiring color codes, effective August, 1992 are as follows:

Code

Yellow

Red

Product

Alternator A.C. Leads

Alternator D.C. + Leads

Alternator D.C. - Leads

Alternator Ground Leads, Battery Ground Leads

12 Volt Starter B + Leads

Ignition Shut-Off Leads

Brown

Black

Orange

Dark Green -

NOTE: PRIOR TO AUGUST 1992, WIRE CODES CHANGED ACCORDING TO MODEL AND SPECIFICATION

NUMBERS.

ELECTRICAL TERMS

ALTERNATOR - An alternator consists of coils of wire

wound around a metal lamination stack. When a magnet

is moved past the coils, a current is induced in the coils.

In general, the greater the number of coils, the greater

the output of the alternator (diag. 7).

IGNITION COIL - The ignition coil is used to fire the spark

plug. It is completely independent from the alternator coils.

RECTIFIERS and DIODES - Charging a battery requires

that the alternating current produced by the alternator

be changed to direct current. This is accomplished by

using a diode or rectifier.

REGULATOR/RECTIFIERS - This combines a regulator

with a rectifier. The regulator prevents overcharging of

the battery and the rectifier changes the alternating

current to direct current (diag.8, 9, 10).

CONDUCTORS - A conductor is a material that allows

an electric current to pass through it. All metals are

conductors of electricity, but some are better conductors

than others. Silver, copper and gold are some of the better

known conductors. As the temperature of the conductor

increases, the resistance increases.

INSULATORS - An insulator is a material that will not

allow an electric current to pass through it. Some of the

more common materials that are insulators are glass,

plastic, rubber, ceramics and porcelain.

BASIC CHECKS

Before going into extensive checks, be sure to perform the more basic checks first, such as:

Battery defective or not charged.

Corroded or loose terminals and connections, or wrong connections.

Cracked insulation or broken wires.

A wire "grounding out" in the system.

Defective switch.

Operator presence system functioning properly.*

NOTE: ALL LAWN AND GARDEN TRACTORS BUILT AFTER JULY OF 1987 ARE REQUIRED TO HAVE AN

OPERATOR PRESENCE SYSTEM AND MANY CAME EQUIPPED WITH SUCH A SYSTEM PRIOR TO THIS DATE.

IF THE TRACTOR IS "CUTTING OUT" OR WILL NOT START, THIS IS AN AREA THAT SHOULD BE CHECKED OUT.

TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART

Starter will not

turn

Intermittent

starter operation

Starter turns at

low rpms or

stalls under load

YES

Is there power

at the power

source?

Repair or

replace power

source

Is power supplied to the

starter terminal?

YES

Isolate engine

from the

equipment,

does engine

turn over?

Check wiring,

connections,

safety switches,

starter switch

YES

Repair or replace

equipment

causing

excessive loading

Remove spark

plug, does engine

turn over freely?

YES

Check starter for

binding brushes,

worn brushes,

dirty or oily

commutator

YES

Check valve lash.

Adjust if

Reinstall spark

plug, does

engine bind on

compression

stroke?

Internal engine

failure or flywheel

interference

necessary. Does

the engine turn

over without

YES

binding now?

Internal engine

failure, repair or

replace engine

Repair or replace

electric starter

TROUBLESHOOTING ELECTRICAL CHARGING CIRCUIT FLOW CHART

Identify the charging system

used by model and specification

number or visually check the

electrical plug

Consult the Technician's

Handbook

Electrical

Troubleshooting booklet for test

procedure for the charging

system used

Test for either AC or DC voltage

as directed at the proper engine

RPM

YES

Is the voltage greater than or

equal to the minimum value?

Is AC voltage before diode or YES

rectifier greater than the minimum

value?

Check wiring, switches, or

ammeter for breaks, shorts

Check diodes,

replace if no

continuity exists or

if continuity exists

reversing test leads

Alternator coil

failure, replace

coil assy.

Check fuses,

replace as

necessary

Check switches,

wiring, or lights for

shorts

TESTING PROCEDURE

STARTING CIRCUIT

Check the power source using an electrical tester and follow the testers recommended procedure. Make sure the

battery meets the minimum battery voltage requirements found in the original equipment manufacturer's service

manual.

Check the electric starter terminal for the required voltage (12v D.C. or 120 v A.C.) using a voltmeter.

CAUTION: FOLLOW ALL SAFETY PRECAUTIONS WHEN TESTING FOR A.C. VOLTAGE, ELECTRIC SHOCK

CAN KILL.

Check wiring, connections, fuses, ignition or starter switch, safety switches, or solenoid for continuity using a

ohmmeter or a continuity light. Repair or replace as necessary.

Remove all equipment loads from the engine. Take off all drive belts, chains, and couplers to isolate the engine

from the equipment it is powering.

Try to turn the engine over using the recoil assembly if equipped. If the engine doesn’t turn over, a mechanical

binding may be the cause. Check for proper lubrication (oil level and viscosity), starter gear and flywheel ring gear

interference. If no problem is discovered, the problem is an internal failure.

If the engine binds only on the compression stroke, check the engine valve clearance per the specification table

in Chapter 10. If the valve clearance is within the specifications, the camshaft (compression release) may require

replacement. Valve clearance not within the listed specifications will require either resetting or grinding the valve

stems to obtain the proper clearance.

If the engine turns over freely, the electric starter should be disassembled and checked. If the preceding steps fail

to correct the problem, the engine will require disassembly to find the mechanical failure. See Chapter 9 under

"Disassembly Procedure".

CHARGING CIRCUIT

The following pages will show wiring diagrams of several Tecumseh charging systems. The charging system used on

the engine is best identified by obtaining the engine model number and the specification number on the engine.

Consult a Tecumseh dealer or a parts manual to identify the charging system. To make many of the tests it is necessary

to run the engine and measure alternator output with a voltmeter. When making voltage tests with the engine running,

it is not necessary to take readings at all the listed R.P.M.s. Checking at one of the speeds is sufficient.

In some cases an open circuit D.C. check cannot be made. An SCR (Silicon Controlled Rectifier) is located in the

circuit which requires a minimum “turn on” voltage to allow it to conduct. Without the battery in the circuit this “turn on”

voltage is not present. The SCR “senses” this and there will be no D.C. output from the regulator or rectifier.

Each charging system has its own testing procedure. Test the charging system using the applicable procedure on the

following pages.

(

+) POSITIVE LEAD

50 Milliamp Charging System

Models: TVS 75-90-100-105-115-120

CHECKING THE SYSTEM: The battery must be in the

circuit to perform the test properly. Connect a voltmeter

across the battery. The voltmeter should read the battery

voltage. Start the engine. With the engine running, there

should be an increase in the voltage reading. If there is

no change in the voltage reading, the alternator is

defective and should be replaced. See Chapter 9 for

(-) ENGINE GROUND

"Disassembly Procedure" (diag. 11).

MAGNETO GROUND

GR)

NOTE: SET THE VOLTMETER TO THE 0-20 VOLT D.C.

SCALE FOR THE TEST.

D.C. OUTPUT

LEAD (RED)

(

ELEC. STARTER

LEAD (ORG)

BATTERY

GROUND (BL)

RED

BLACK

18 Watt A.C. Lighting Alternator

Models: H35, HS & HSSK 40-50, HM &

HMSK 70-80-100

CHECKING THE SYSTEM: To check the system,

disconnect the plug from the rest of the lighting system.

Connect a wire lead from the single pin connector coming

out of the engine to one terminal of a No. 4414, 18 watt

bulb. Connect another wire lead to the other terminal of

the bulb and run to a good ground on the engine. Start

the engine and test the circuit using the A.C. voltmeter

as shown (diag. 12).

ENGINE

YELLOW

With the engine running, minimum A.C. voltage across

the bulb should be:

2000 R.P.M. - 6.0 Volts A.C.

3000 R.P.M. - 8.5 Volts A.C.

3600 R.P.M. - 10.0 Volts A.C.

4414 BULB

If minimum values are noted, the alternator is okay. If

less than the minimum values, the alternator is defective.

See Chapter 9 for "Disassembly Procedure".

Amp (18 Watt) Add-on Alternator

YELLOW

CHECKING THE SYSTEM: To check the system,

disconnect the plug from the rest of the lighting system.

Connect a No. 4414, 18 watt bulb in line with each terminal

in the plug. Start the engine and test the circuit using a

voltmeter as shown (diag. 13).

YELLOW

With the engine running, minimum A.C. voltage values

across the bulb should be:

2000 R.P.M. - 8.0 Volts A.C.

3000 R.P.M. - 10.5 Volts A.C.

3600 R.P.M. - 12.0 Volts A.C.

4414 BULB

If minimum values are noted, the alternator is okay. If the

minimum values are not noted, the alternator or A.C.

connector is defective. See Chapter 9 for "Disassembly

Procedure".

OUTPUT LEADS

BLACK

RED

D.C. Charging Adaptor

Rectifier Bridge Check With Ohmmeter for D.C.

Adaptor

The following tests should be performed without the

engine running to determine the condition of the D.C.

adaptor.

BLACK

RED

Continuity should exist during one of the two following

tests. No continuity should exist while performing the

opposite test.

A.C. TERMINALS

If continuity exists during both tests, or if no continuity

exists during both tests, the D.C. adaptor is defective.

4414

TEST NO. 1 - Connect negative probe of meter to red

output lead. Connect positive probe of meter to both A.C.

terminals and black output lead (diag. 14).

BULB

(continued on top of next page)

TEST NO. 2 - Connect the positive probe of meter to red output lead. Connect the negative probe of meter to both A.C.

terminals and black output lead.

Connect the negative probe of meter to black output lead. Connect the positive probe of meter to both A.C. terminals

and red output lead.

If the D.C. adaptor is not defective and a known good battery fails to hold a charge, then perform an A.C. output

voltage test.

NOTE: PRIOR TO AUGUST 1992, THE BLACK WIRE WAS BROWN.

CHECKING THE SYSTEM: To check the system, disconnect the D.C. adaptor from the add-on alternator. Connect a

No. 4414, 18 watt bulb in line with each terminal in the alternator. Start engine and test circuit using an A.C. voltmeter

as shown (diag 14).

With the engine running, minimum A.C. voltage values across the bulb should be:

2000 R.P.M. - 8.0 Volts A.C.

3000 R.P.M. - 10.5 Volts A.C.

3600 R.P.M. - 12.0 Volts A.C.

If the minimum values are noted, alternator is okay. If the minimum values are not noted, the alternator or A.C.

connector is defective.

.5 Amp D.C., 35 Watt Lighting

To check this system follow the meter hook ups at the

right, checking the D.C. negative and D.C. positive first. If

output is below standard listed, pull back protective

coating in front of the diode and check A.C. output. If A.C.

is good check each diode it services as requested see

parts list. (diag. 15)

TO POSITIVE

SIDE OF

BATTERY

TWO DIODES

RED

D.C.

D.C. NEGATIVE

OUTPUT LEAD

(BROWN D.C.)

D.C. value (+) or (-) check. A.C. outputs both sides.

R.P.M. D.C. Volts

R.P.M. Volts A.C.

500 - 8.0 Volts D.C.

000- 9.5 Volts D.C.

300- 10.5 Volts D.C.

600- 11.5 Volts D.C.

2500 - 18 Volts A.C.

3000 - 22 Volts A.C.

3600 - 26 Volts A.C.

D.C. POSITIVE

OUTPUT LEAD

(RED D.C.)

D.C.

A.C.

NOTE: These minimum numbers should be obtained by

your meter and will often be higher.

Amp A.C. Lighting Alternator

Models: H & HSK 30- 35, HS & HSSK 40, H &

HSK 50-60, HH50-60, HM & HMSK 70-80-100,

HHM80

Before making any exterior tests, check for an inoperative

switch, shorted wires and burned out headlight and/or

stop tail light. To check out the alternator, check the A.C.

lead to ground (diag. 16).

YELLOW

HEAD & TAIL LIGHT

With engine running, minimum values should read:

GREEN

2500 R.P.M. - 8.0 Volts A.C.

3000 R.P.M. - 9.5 Volts A.C.

3300 R.P.M. - 10.5 Volts A.C.

3600 R.P.M. - 11.5 Volts A.C.

YELLOW

IGNITION GROUND

STOP LIGHT

If the above minimum readings are noted, the alternator

is okay. Check for defective lights, wiring or switches. If

less than the above readings, the alternator is defective.

See Chapter 9 for "Disassembly Procedure".

NOTE: ON OLDER POINT IGNITION SYSTEMS, THE

A.C. OUTPUT LEADS ARE BLACK AND RED.

Amp D.C. Alternator System - Rectifier

Panel

This 3 amp system is readily identified by the rectifier

panel in the circuit. The panel includes two diodes and a

fuse for overload protection. The rectifier panel does not

regulate the output of this system.

GREEN

D.C. VOLTMETER

CHECKING THE SYSTEM: Check the fuse to determine

if it is good. A continuity light or ohmmeter can detect a

faulty fuse. Replace with a six (6) amp fuse if necessary.

Determine if the diodes are functioning properly. A

continuity light may be used to check diodes. (diag. 17).

YELLOW

When replacing the diode in the rectifier panel, locate

the undercut on one end of the diode and match it to the

detent on terminal clip of the rectifier panel.

FUSE

PROBE

TO ENGINE

GROUND

Test the D.C. output of the rectifier panel as follows:

Disconnect the battery lead from the terminal of rectifier

panel. Use D.C. voltage meter probe on + battery terminal

as shown in the diagram (diag. 18). Connect negative

lead to engine ground.

RECTIFIER PANEL

MOUNTED ON

ENGINE

A.C.

VOLTMETER

Minimum values should read:

2500 R.P.M. - 12.0 Volts D.C.

3000 R.P.M. - 14.0 Volts D.C.

3300 R.P.M. - 16.0 Volts D.C.

3600 R.P.M. - 18.0 Volts D.C.

FUSE

If these minimum readings are noted, the system is okay.

Check for bad battery, ammeter, wiring, etc.

If less than above reading, proceed to make an A.C. output

check. With the battery lead disconnected from rectifier

panel, probe the A.C. terminals with the voltmeter on the

A.C. scale (diag. 19).

Minimum values should read:

2500 R.P.M. - 24.0 Volts A.C.

3000 R.P.M. - 29.0 Volts A.C.

3300 R.P.M. - 32.0 Volts A.C.

3600 R.P.M. - 35.0 Volts A.C.

If less than above output, generating coil assembly is

defective. See Chapter 9 for "Disassembly Procedure".

NOTE: There is no regulator in this system. The total

output of the two diodes is three (3) AMPS. If the battery

is overcharging (boiling and bubbling), reduce the D.C.

input by one-half by removing one of the diodes.

Amp DC Alternator System - Diode in

Harness Sleeve

Models: H30-35, HS40, H50-60, HH50-60,

HM70-80-100, HHM80

GREEN

This system has a diode included in the red wire which

converts the alternating current (A.C.) to direct current.

The direct current (D.C.) is used to provide a trickle charge

for the battery. The leads from the alternator and the type

of connector may vary, but the output readings will be

the same.

RED

GROUND

PROBE (+)

CHECKING THE SYSTEM: Remove the fuse from the

fuse holder and check the fuse to make certain it is good.

If faulty, replace with a six (6) AMP fuse.

To check D.C. output, separate the connectors at the

engine. Place the probe (+) in the red wire lead connector.

Ground the other probe to the engine (diag. 20).

With the engine running minimum values should read:

DIODE

500 R.P.M. - 8.0 Volts D.C.

000 R.P.M. - 9.5 Volts D.C.

300 R.P.M. -10.5 Volts D.C.

600 R.P.M. -11.5 Volts D.C.

PROBE (+)

GREEN

GROUND

RED

If these minimum readings are noted, the system is okay.

Check for bad battery, ammeter, wiring, etc.

If less than the above readings, proceed to make an A.C.

output check by pulling back the protective coating from

the fuse holder and diode. Using an A.C. voltmeter, check

voltage from a point between the engine and the diode

as shown in the diagram (diag. 21).

With the engine running, minimum values should read:

500 R.P.M. - 18.0 Volts A.C.

000 R.P.M. - 22.0 Volts A.C.

300 R.P.M. - 24.0 Volts A.C.

600 R.P.M. - 26.0 Volts A.C.

SPADE

CONNECTOR

SOLDERLESS

CONNECTOR

If low or no voltage is experienced, replace the alternator.

If the alternator puts out the minimum A.C. voltage,

replace the diode.

To replace the diode, disconnect at plug (spade terminal)

and cut the wire on the opposite end of the diode at the

solderless (crimped) connector. Remove 1/4" (6.35 mm)

of insulation from the cut end of the wire and twist the

strands together. Place the solderless connector from the

new diode onto the exposed 1/4" (6.35 mm) wire and

crimp the connector with a standard electricians pliers.

Reconnect plug end (or spade connector (diag. 22).

FUSE HOLDER

Amp Alternator System Regulator-Rectifier

Under Blower Housing

INSERT PROBES INTO

CONNECTOR SLOTS.

DO NOT REMOVE

CHECKING THE SYSTEM: An open circuit D.C. voltage

check cannot be made with this system. If a known good

battery fails to maintain a charge, proceed to make an

A.C. voltage test.

CONNECTOR WIRES.

To do this, the blower housing must be removed, and the

regulator-rectifier must be brought outside of the blower

housing.

Disconnect the red D.C. output connector at the wiring

harness and connect the probes from an A.C. voltmeter

to the wire terminals at the regulator-rectifier (diag. 23).

A.C. VOLTMETER

CAUTION: AT NO TIME SHOULD THE ENGINE

BE STARTED WITH THE BLOWER HOUSING

REMOVED.

CAUTION: BLOWER HOUSING MUST BE

INSTALLED WHEN RUNNING ENGINE

With the engine running, the minimum values should read:

2500 R.P.M. - 19.0 Volts A.C.

3000 R.P.M. - 23.0 Volts A.C.

3300 R.P.M. - 26.0 Volts A.C.

3600 R.P.M. - 28.0 Volts A.C.

If the minimum values are noted, the alternator is okay; the regulator-rectifier is defective. If less than above readings,

the alternator is defective. See Chapter 9 for "Disassembly Procedure".

Amp D.C. 5 Amp A.C. Alternator

Models: H & HSK 50-60, HH50-60, HM & HMSK 70-80-90-100, TVM125-140-170-195-220,

TVXL195-220

This unit combines a 3 Amp D.C. system used to charge

a battery with a 5 Amp A.C. system used for lighting.

Located in the red wire of the harness is a diode which

converts the alternating current to direct current for

charging the battery. The yellow wire provides the A.C.

voltage for the lighting circuit.

RED

DIODE

YELLOW

D.C.

(continued on top of next page)

CHECKING THE SYSTEM: To check the system,

disconnect the plug and measure the D.C. voltage at the

red wire terminal (diag. 24). Measure the A.C. voltage at

the yellow wire terminal. With the engine running, the

minimum values should be:

Amp D.C.

2500 R.P.M. - 8.0 Volts D.C.

3000 R.P.M. - 11.0 Volts D.C.

3600 R.P.M. - 13.0 Volts D.C.

RED

Amp A.C.

2500 R.P.M. - 8.0 Volts A.C.

3000 R.P.M. - 11.0 Volts A.C.

3600 R.P.M. - 13.0 Volts A.C.

YELLOW

A.C.

If the above minimum values are noted, system is okay.

Check for defective lights, wiring or switches. If less than

above values are noted, pull back the protective shrink

tubing from the diode. Using an A.C. voltmeter, check the

voltage going into the diode from alternator, at the lead

on the alternator side of the diode (diag.25).

D.C. VOLTMETER

All Models

B + TERMINAL WIRE

With the engine running, the minimum values should read:

2500 R.P.M. - 20.0 Volts A.C.

3000 R.P.M. - 25.0 Volts A.C.

3300 R.P.M. - 26.5 Volts A.C.

3600 R.P.M. - 29.0 Volts A.C.

If low or no voltage is experienced, replace the alternator.

If the alternator puts out the minimum A.C. voltage,

replace the diode.

REGULATOR/RECTIFIER

MUST BE GROUNDED

Amp Alternator System Regulator-Rectifier

External to Engine

CHECKING THE SYSTEM: To check the system,

disconnect the D.C. or B+ wire at the switch end and

measure D.C. voltage between the lead and ground (diag.

6).

With the engine running, minimum values should read:

2500 R.P.M. - 9.0 Volts D.C.

3000 R.P.M. - 11.0 Volts D.C.

3600 R.P.M. - 14.0 Volts D.C.

A.C.

If the minimum readings are noted, system is okay. Check

for defective ammeter, wiring, etc. If less than the above

readings, disconnect the plug from the regulator-rectifier,

and insert the A.C. voltmeter probes in the two outside

terminals (diag. 27).

With the engine running, minimum values should read:

2500 R.P.M. - 12.0 Volts A.C.

3000 R.P.M. - 14.0 Volts A.C.

3600 R.P.M. - 18.0 Volts A.C.

If the minimum readings are noted, the alternator is okay;

the regulator-rectifier is defective. If less than the above

readings, the alternator is defective. See Chapter 9 for

"Disassembly Procedure".

Amp Alternator System Regulator-

Rectifier Under Engine Block Housing

Models: H50-60, HH50-60, HM70-80-100,

HHM80, TVM125-140-170-195-220

In this system, the regulator and rectifier are combined

in one solid state unit mounted under the blower housing

of the engine.

MAGNETO GROUND - GREEN

Various types of regulator-rectifiers have been used on

different applications. Test procedures for all types are

the same. However, regulator styles are not

interchangeable (diag. 28).

CHECKING THE SYSTEM: An open circuit D.C. voltage

check cannot be made with this system. If a known good

battery fails to maintain a charge, proceed to make an

A.C. voltage test.

D.C. OUTPUT LEAD-RED

To do this, the blower housing must be removed, and the

regulator-rectifier must be brought outside of the blower

housing.

Keep the A.C. leads attached to the regulator-rectifier.

Install the blower housing with the regulator-rectifier

outside the housing. With an A.C. voltmeter probe the

regulator as shown (diag. 29)

INSERT PROBES INTO

CONNECTOR SLOTS

DO NOT REMOVE

CONNECTOR WIRES

CAUTION: AT NO TIME SHOULD THE ENGINE

BE STARTED WITH THE BLOWER HOUSING

REMOVED.

YELLOW

RED

With engine running, minimum A.C. voltage from lead to

lead should be:

CAUTION: BLOWER

HOUSING MUST BE

INSTALLED WHEN

RUNNING ENGINE

A.C. VOLTMETER

2500 R.P.M. - 16.0 Volts A.C.

3000 R.P.M. - 19.0 Volts A.C.

3300 R.P.M. - 21.0 Volts A.C.

3600 R.P.M. - 23.0 Volts A.C.

If the minimum readings are noted, the alternator is okay.

If the system fails to charge a known good battery, the

regulator-rectifier must be defective.

B+ TERMINAL WIRE

0 Amp Alternator System - Regulator-

Rectifier-External to Engine

In this system, the regulator and rectifier are combined

in one solid state unit.

GREEN

REGULATOR/

RECTIFIER MUST BE

GROUNDED

CHECKING THE SYSTEM: To check the system,

disconnect the D.C. or B+ wire at the switch end and

measure D.C. voltage between the lead and ground (diag.

YELLOW

0).

With the engine running, minimum values should read:

2500 R.P.M. - 13.0 Volts D.C.

3000 R.P.M. - 16.0 Volts D.C.

3600 R.P.M. - 20.0 Volts D.C.

If the minimum values are noted, the system is okay.

Check for defective ammeter, wiring, etc. If less than the

above readings, disconnect the plug from the regulator-

rectifier, and insert the A.C. voltmeter probes in the two

outside terminals (diag. 31).

(continued on top of next page)

With the engine running, minimum values should read:

2500 R.P.M. - 16.0 Volts A.C.

3000 R.P.M. - 19.0 Volts A.C.

3600 R.P.M. - 24.0 Volts A.C.

A.C. OUTPUT

YELLOW

A.C.

If the minimum readings are noted, the alternator is okay;

the regulator-rectifier is defective. If less than above

readings, the alternator is defective. See Chapter 9 for

"Disassembly Procedure".

10 Amp Alternator

Models: H & HSK 50-60, HH50-60, HM & HMSK 70-80-100, HHM80,

TVM125-140-170-195-220

CHECKING THE SYSTEM: Unplug the connector at the wiring harness supplied by the OEM. Proceed to make an

A.C. output check. Place one lead of the A.C. voltmeter on the center plug of the connector. Place the other lead to

engine ground (diag. 32).

With the engine running, minimum values should read:

2500 R.P.M. - 16.0 Volts A.C.

3000 R.P.M. - 20.0 Volts A.C.

3300 R.P.M. - 22.0 Volts A.C.

If less than above output, the alternator assembly is defective. See Chapter 9 for "Disassembly Procedure".

VOLTAGE REGULATORS

If a known good or load tested battery fails to maintain a charge, the charging system and the regulator can be

checked using a voltmeter. Set the voltmeter on the 0-20 Volt D.C. scale and connect the probes across the battery

terminals as shown. Note the battery voltage. Start the engine, the voltage reading should increase from the noted

battery voltage but not exceed 15 Volts D.C. If no voltage increase is noted, proceed to make an A.C. voltage check

using the applicable procedure. If the battery voltage exceeds 15 Volts D.C., or the proper minimum A.C. voltage is

noted during the check, replace the regulator.

LOW OIL SHUTDOWN SWITCHES

Check the LOS switch while it is in the engine. The engine must be level, and the oil level at the full mark. Place the

speed control in the run position. Remove the spark plug wire from the spark plug. Install a gap type tester connected

to the spark plug wire and a good engine ground. Spin the engine over using the electric or recoil starter. A bright blue

spark should be seen at the tester. If not, remove the blower housing and disconnect the LOS lead from the ignition

module. Reinstall the blower housing and spin the engine over. If spark occurs now, replace the LOS switch. If no

spark is seen, replace the ignition module.

ON/OFF LIGHTED ROCKER SWITCH W/LOW

OIL SHUTDOWN

SERVICE

This section covers the service procedures for the 12 and 120 volt electric starters. For diagnosis of the starting circuit

see “Electrical Starter Troubleshooting” in this chapter. Illustrations may not be identical in configuration to the starter

being serviced, but procedures and tests apply unless otherwise stated.

12 VOLT OR 120 VOLT ELECTRIC STARTERS

WITH EXPOSED SHAFT

Remove the plastic dust cover on the armature end

diag. 34).

(

Push down the spring retainer and remove the

retainer ring.

Slide off the spring retainer, anti-drift spring, gear,

and drive nut.

If internal service is necessary, scribe a line across

the cap assemblies and armature housing to aid in

reassembly.

Remove the two or four retaining nuts from the

through bolts holding the cap assembly.

Slide off the cap assembly. The terminal insulator

slides out of the commutator cap.

Remove the armature.

Inspect and replace as necessary.

Use the reverse procedure for reassembly.

ARMATURE

RETAINER

RING

GEAR

SPRING

0. Inspect flywheel ring gear for damage before

installation.

2 VOLT D.C. OR 120 VOLT A.C. ELECTRIC

STARTERS WITH CAP ASSEMBLY

DRIVE NUT SPRING

RETAINER

CAP ASSY.

Remove the retainer ring from the armature shaft

diag.35).

(

Remove the two nuts from the through bolts holding

the cap assembly on.

Slide off the cap assembly. The engaging nut, gear,

spring, and spring retainer will remain in the cap

assembly.

If complete disassembly is required, refer to step # 4

in the previous section for additional steps.

Inspect and replace as necessary. Use reverse

procedure for assembly. ( For ease of assembly, place

the armature into the brush end frame first.)

Inspect flywheel ring gear for damage before

installation.

(continued on top of next page)

INSPECTION AND REPAIR

FIELD COIL

CONNECTORS

FIELD COIL

CONNECTORS

The pinion gear parts should be checked for damage

or wear. If the gear does not engage or slips, it should

be washed in solvent ( rubber parts cleaned in soap

and water) to remove dirt and grease, and dried

before reassembly. Also check the armature and drive

nut splines for wear or damage. Replace parts as

necessary.

The brushes and brush card holder should be

checked for wear. With the armature in place and the

brushes engaging the commutator surface, check the

brushes for wear. Brushes should be replaced if the

brush wire approaches the bottom of the brush holder

slot. Brush springs must exhibit enough strength to

keep tension on the brushes and hold them on the

commutator.

BRUSH

SPRINGS

CONNECTION POINT OF

POWER CORD LEADS

12 VOLT

120 VOLT

The field windings can be checked using a continuity

light or ohmmeter. Attach one lead to each field coil

connection. Continuity should exist between each

field coil connection, and no continuity should exist

between the field coil connections and the starter

housing (diag. 36 & 37).

The armature should be checked for glazing or wear.

If necessary the armature can be turned down in a

lathe. While rotating, polish the commutator bars

using a piece of 00 sandpaper (diag. 38). Light

pressure and back and forth movement should be

used. Recut the commutator bars to a depth equal to

the width of the insulators between the bars. Check

for continuity between the copper commutator bars

and the iron of the armature, none should exist (diag.

39). If any is noted the armature must be replaced.

Brus h Card Replacement

Loosen but do not remove the two nuts on the starter terminal post.

Remove the nuts holding the end cap in place. Remove the end cap and the thrust washer.

Grasp the thru bolts using a vise grip positioned as close to the flanged end as possible to prevent thread

damage. Remove the two nuts holding the driving end cap in place. Remove the armature and driving cap assembly,

followed by the two thru bolts. Notice the position of the brush ground eyelet under the thru bolt flange.

Note or mark the position of the connectors of the brush wires. Use a wire cutter to clip the solid field wires as

close to the connectors as possible.

Note or mark the brush card in the starter housing and remove the brush card assembly. Clean the accumulated

dirt off all starter parts. Scrape the insulating varnish off the last 1/2" (12.7 mm) of the solid field wires.

Insert the new brush card into position while guiding the solid field wires through the proper slots in the brush

card.

Crimp and solder the brush leads to the solid field wires. Use a needle nose pliers or vise grip to hold the woven

brush lead close to the connector while soldering. This prevents solder and heat from flowing up the brush lead.

Insulate the crimped connection nearest the starter terminal post using electrical tape or heat shrink tubing.

Route the wires to prevent damage during assembly.

Install the armature into the housing while spreading the brushes. Install the thru bolts while checking to make

sure the bolts go thru the ground brush eyelet terminals. Install and tighten the drive end thru bolt nuts, but do not

overtighten.

Install the thrust washer (cupped side faces towards the end cap) on the end of the armature and then install the

starter end cap. Secure the cap with the locking nuts and tighten the nut on the starter terminal post. Rotate the

armature by hand to check for binding before installation on the engine.

CHAPTER 7 FLYWHEEL BRAKE SYSTEMS

GENERAL INFORMATION

Tecumseh’s brake systems provide two methods of meeting compliance standards which has become a federal

law as of June 30, 1982. There are two additional methods used by equipment manufacturers that also meet

compliance standards and they are as follows:

. Use of the blade brake clutch in conjunction with either a top or side mounted recoil starter or 12 volt electric

starter. The blade stops within three seconds after the operator lets go of the blade control bail at the operator

position and the engine continues to run. Starter rope handle is either on the engine or on the equipment

handle.

. Use of a recoil starter (top or side mounted) with the rope handle on the engine as opposed to within 24 inches

(

60.9 cm) of the operator position. This method is acceptable if the mower deck passes the 360 degree foot

probe test. A specified foot probe must not contact the blade when applied completely around the entire blade

housing. This alternative can be used with engine mounted brake systems and typical bail controls. The blade

stops within three seconds after the operator lets go of the engine/blade control bail at the operator position.

Tecumseh’s Flywheel Brake system provides consumer safety by stopping the engine and blade within three

seconds after the operator releases the engine/blade control bail at the handle of the lawnmower. These systems

are available on both recoil and electric start models. The engine stopping time is affected by the engine R.P.M.

Consult microfiche card #30, the Plus 1 or Parts Smart Look-Up system, or Service Bulletin #107 to determine the

correct engine RPM or blade tip speed.

OPERATION

BOTTOM SURFACE SYSTEM

In the stop position with the handle mounted engine / blade control released, the torsion spring rotates the brake

lever forcing the brake pad against the underside of the flywheel, actuates the ignition kill switch and on electric

start models, opens the starter interlock switch (diag. 1).

In order to restart the engine, the handle mounted engine / blade control must be applied. This action pulls the

brake pad away from the flywheel, opens the ignition kill switch and on electric start models, closes the starter

interlock switch. This will allow the engine to be started by energizing the starter with a starter switch (diag. 2).

BRAKE

APPLIED

BRAKE

RELEASED

IGNITION

SHORTED

IGNITION

OPEN

INTER-LOCK

SWITCH OPEN

INTER-LOCK

SWITCH CLOSED

OPERATION (CONTINUED)

INSIDE EDGE SYSTEM

In the stop position the brake pad is applied to the inside edge of the flywheel, at the same time the ignition system

is grounded (diag. 3).

In order to restart the engine, the brake control must be applied. This action pulls the brake pad away from the

inside edge of the flywheel and opens the ignition kill switch. On electric start systems the starter is energized by

an ignition switch or a two motion control. On non-electric start systems, the recoil starter rope must be pulled to

start engine (diag. 4).

IGNITION SHORTED

BRAKE APPLIED

IGNITION OPEN

BRAKE RELEASED

COMPONENTS

Both the Bottom Surface and the Inside Edge systems

use the following components:

BRAKE LEVER

The brake lever and pad assembly consists of a steel

lever with a brake pad bonded to the lever (diag. 5).

AND PAD

The ignition kill switch is a plastic block with a wire

extending out of it. The wire is attached to a terminal

which is connected to the ignition kill wire. The brake

lever contacts and grounds the wire of the switch when

the engine / blade control is released, and the ignition

module is grounded. This in turn kills the ignition (diag.

IGNITION KILL

SWITCH

TORSION

SPRING

CONTROL CABLE

The interlock switch is a push button switch that is

activated by the brake lever when the engine / blade

control is actuated. If there is a starter switch used to

start the engine, the interlock switch acts as a safety

switch and will not allow the starter to crank unless the

engine / blade control is depressed.

INTERLOCK

SWITCH

Where a two motion control is used the interlock switch

is utilized as the starter switch.

The Torsion Spring supplies the pressure to the brake

lever and brake pad to stop the flywheel.

The Control Cable transfers the motion of the

engine / blade control to the brake system.

SERVICE

If the brake system fails to kill the ignition and stop the blade within 3 seconds the following service procedures

should be followed.

FLYWHEEL REMOVAL

NOTE: BEFORE THE FLYWHEEL IS REMOVED OR REPLACED, THE BRAKE PRESSURE ON THE FLYWHEEL

MUST BE RELIEVED AS OUTLINED BELOW UNDER "BRAKE LEVER AND PAD".

Remove the flywheel as outlined in Chapter 9 under "Disassembly".

BRAKE LEVER AND PAD

UNHOOK TORSION SPRING

Bottom Surface

To relieve the brake pressure on the flywheel, remove

the torsion spring by firmly grasping the short end of

the spring with a pliers and unhook the spring from the

bracket then remove the flywheel (diag. 6).

Remove the brake lever and pad assembly. Inspect the

brake pad for dirt, oil or grease contamination. If the

pad is contaminated, or if there is less than .060" (1.524

mm) of brake pad material at the pad's thinnest point,

replacement is necessary. The brake pad is bonded to

the brake lever and must be replaced as an assembly.

Install the brake lever and pad assembly and continue

to reassemble the brake system in the reverse order of

disassembly.

SHORT END OF SPRING

ALIGN HOLES

NOTE: WHEN REMOVING THE BRAKE BRACKET THE

TORSION SPRING MUST BE RELEASED BEFORE THE

TOP STARTER BOLT IS REMOVED OR THE THREADS

IN THE CYLINDER BLOCK WILL BE DAMAGED.

SWITCH

LEVER

Inside Edge

70298

To relieve the brake pressure on the flywheel, compress

the spring by moving the lever toward the spark plug,

when the hole in the lever aligns with the hole in the

bracket, secure the lever with alignment tool 670298

then remove the flywheel (diag. 7). Remove the alignment

tool. Release the spring tension by unhooking the short

end of the spring from bracket with a pliers. Remove

the “E” clip from the brake pad shaft. Slide the pad lever

from the shaft and unhook the link. Inspect the brake

pad for dirt, oil or grease contamination. If the pad is

contaminated, or if there is less than .060" (1.524 mm)

of brake pad material at the pad's thinnest point,

replacement is necessary. The brake pad is bonded to

the brake lever and must be replaced as an assembly.

Rehook the link, install the brake lever and pad assembly,

install the "E" clip, rehook the short end of the spring

and continue to reassemble the brake system in the

reverse order of disassembly.

GROUNDING CLIP

GROUNDING CLIP POSITION

LINKAGE

IGNITION GROUNDOUT TERMINAL

Inspect the ignition kill switch grounding clip for proper

alignment and contact with the brake arm. Insure that

all electrical connections are clean and secure (diag. 8

"E" CLIP

BRAKE PAD

9).

STARTER INTERLOCK SWITCH

The engine / blade control must close the interlock switch

before the starter can be engaged. To check the interlock

switch, use an ohmmeter or continuity light to perform

a continuity check. Continuity should exist between the

two terminals when the interlock switch button is

completely depressed. No continuity should exist when

the button is released. If the switch fails replace the

switch (diag. 10).

To replace the interlock switch, carefully grind the heads

off of the rivets that fasten the interlock switch to the

brake bracket. Remove the rivets from the back side of

brake bracket. Use the self-tapping screw supplied with

the new switch to make threads in the bracket. Install

the interlock switch onto the brake bracket in the proper

position and secure the switch to the brake bracket with

the machine screws supplied. Be careful not to overtighten

the screws as switch breakage can occur (diag. 11).

SELF TAPPING

SCREW

MACHINE

SCREWS

CONTROL CABLE

Bottom Surface

The control cable conduit must be assembled against

the stop in the bracket. Make sure the bottom of the

lever completely depresses the button on the starter

interlock switch, if equipped, when the control is fully

applied. The cable must provide enough travel so the

brake will contact the flywheel. Some slack should exist

in the cable adjustment to compensate for brake pad

wear (diag. 12).

STOP

Inside Edge

SCREW END MUST

NOT BLOCK LEVER

ACTION

CABLE CLAMP

SCREW

If replacing the cable conduit screw with a screw other

than a service part replacement, be certain that the

screw length is not too long as to prevent free travel of

the lever. Make sure the button on the starter interlock

switch is completely depressed when the control is fully

applied. The cable must provide enough travel so the

brake will contact the flywheel. Some slack should exist

in the cable adjustment to compensate for brake pad

wear (diag. 13).

MOUNTING HOLES

BRAKE BRACKET REPLACEMENT

The tension must be relieved on the lower brake spring

prior to the removal of the top electric starter bolt, or

damage to the threads in the cylinder block can occur.

MECHANISM FULL DOWN

BEFORE SCREWS TORQUED

When installing a inside edge brake bracket assembly,

be sure the slotted holes in the brake bracket are all

the way down on the fasteners. This will properly align

the brake bracket to the flywheel brake surface (diag.

4).

CHAPTER 8 IGNITION

GENERAL INFORMATION

The ignition systems used on Tecumseh engines are either solid state capacitor discharge modules or magneto

ignition systems. The basic functional difference is that the solid state modules are triggered by an electronic switch

(

SCR). Magneto ignition systems rely on the mechanical action of opening and closing a set of moveable contact

points to trigger when the spark will occur.

The solid state ignition system consists of a flywheel magnet and key, charge coil, capacitor, a silicon controlled

rectifier, pulse transformer, trigger coil, high tension lead, and a spark plug. Everything except the flywheel magnet,

key and the spark plug are located in a encapsulated ignition module. This solid state (CDI - Capacitive Discharge

Igntion) module is protected by epoxy filler from exposure to dirt and moisture. This system requires no maintenance

other than checks of the high tension lead and spark plug.

The Tecumseh magneto ignition consists of a stator assembly made of laminations, a coil, contact points, condenser,

a permanent magnet mounted in the flywheel, high tension lead, and a spark plug. The coil is sealed by epoxy filler,

and the points and condenser are sealed from dirt and moisture by a crankshaft seal and cover gasket.

OPERATION

SOLID STATE IGNITION SYSTEM (CDI)

As the magnets in the flywheel rotate past the charge coil,

electrical energy is produced in the module. The energy is

stored in the capacitor ( approx. 200 volts) until it is released

by an electrical switch (SCR). As the magnet continues to

rotate, it travels past a trigger coil where a low voltage

signal is produced. This low voltage signal closes the SCR

switch, allowing the energy stored in the capacitor to flow

to a transformer where the voltage is increased from 200

volts at 200 RPM to 22,000 volts at 3000 RPM. This voltage

flows through the high tension lead to the spark plug where

it arcs across the electrodes and ignites the air-fuel mixture

(diag. 1).

MAGNETO IGNITION SYSTEM (POINTS)

PATH OF MAGNETIC

LINES OF FORCE

As the flywheel turns, the magnets that are mounted in

the wheel, pass the coil mounted on the stator. As the

magnet's North Pole enters the area of the center leg of

the stator, a magnetic field is concentrated through the

laminations to the magnet's South Pole. This causes a

generation of current flow in the coil's primary winding.

The ignition points are closed (diag. 2).

MAGNET

FLYWHEEL

ROTATION

POINTS

As the flywheel continues to rotate, the North Pole

approaches the last leg of the lamination stack. The

magnetic field through the center leg reverses, producing

a large change in the magnetic field, and a high current

in the primary side of the coil (diag. 3).

CLOSED

At this time, the contacts open and the primary current

stops flowing. This change in current causes a voltage in

the primary, which induces a high voltage in the

secondary winding of the coil. The voltage travels through

the spark plug wire, to the spark plug and jumps the gap

of the plug to ignite the air/fuel mixture.

POINTS OPEN

IDENTIFICATION OF TECUMSEH IGNITION SYSTEMS

INTERNAL IGNITION

EXTERNAL IGNITION

SOLID STATE IGNITION (CDI)

COMPONENTS OF A TECUMSEH MAGNETO

IGNITION SYSTEM (DIAG. 7)

C. CONDENSER

A. FLYWHEEL WITH

A. Flywheel with magnets

MAGNETS

B. Coil

B. COIL

C. Condenser

G. STATOR PLATE

H. FLYWHEEL KEY

D. Spark plug

E. CONTACT POINTS

F. IGNITION CAM

E. Contact points

D. SPARK PLUG

F. Ignition cam

G. Stator plate (dust cover, cam wiper, and laminations.)

H. Flywheel key

The flywheel with magnets provide the magnetic flux

(

or field) which is necessary to induce the low voltage in

the primary circuit. A horseshoe magnet is a good

example of how the magnets function in the flywheel. The

magnets are either cast in or glued onto the flywheel,

and are not a replaceable item (diag. 8).

The ignition coil is used to increase the low voltage in

the primary to high voltage in the secondary, capable of

jumping the spark plug gap. The coil consists of a primary

and a secondary winding of wire. The primary is the low

voltage (200 - 300 volts) winding, consisting of

approximately 150 turns of heavy gauge wire next to the

core. The secondary winding consists of approximately

PRIMARY WINDING

GROUND LEAD

PRIMARY LEAD

SECONDARY WIRING

HIGH TENSION LEAD

0,000 turns of very fine wire wrapped over the primary.

When induced by the primary, the secondary winding

generates a voltage of between 10,000 - 20,000 volts,

which can arc the spark plug gap (diag. 9).

The condenser acts as an electrical shock absorber to

prevent arcing between the contact points as they open.

Arcing will lower the voltage at the spark plug, as well as

burn and pit the contact points. The condenser is a

replaceable item (diag. 10).

The spark plug is made up of two electrodes. The outside

electrode is grounded and secured to the threaded sleeve.

The center electrode is insulated with porcelain. The two

are separated by an air gap which creates a resistance.

A large voltage from the secondary arcs the air gap which

causes a spark and ignites the air-fuel mixture in the

cylinder (diag. 11).

The contact points consist of an insulated, movable point

that connects to the coil primary lead, and a stationary

point that is grounded to the stator body. Spring tension

holds the points together making a complete path for the

primary circuit, and are opened by the action of the point

arm which rests on the ignition cam. The contact points

are a replaceable item (diag. 12).

The ignition cam is an oblong device which rotates with

the crankshaft, and opens the points for firing the ignition

system. It is important to check the ignition cam for

roughness, if rough replace the cam. When inserting the

ignition cam onto the crankshaft make sure that the side

stamped "TOP", or the side that has an arrow on it faces

the mechanic (diag. 13).

NOTE: SOME IGNITION CAMS ARE MACHINED

DIRECTLY ONTO THE CRANKSHAFT AND ARE NOT

REPLACEABLE.

The stator plate is an aluminum fixture which houses

the points, cam wiper, condenser, and has the laminations

riveted to it. The laminations are strips of iron riveted

together to form an iron core. Rust or debris in between

the laminations will hamper the performance of the ignition

system. If corrosion on the laminations is severe, the stator

plate should be replaced (diag. 14).

The flywheel key locates the flywheel to the crankshaft

in the proper position. If a flywheel key is sheared, or

partially sheared, the engine will not start or be difficult

to start (diag. 15).

IGNITION TROUBLESHOOTING

Engine runs

erratically or shuts

off, restarts

Engine Will

Not Start

Check for spark

Spark

No Spark

Replace spark plug

Check flywheel for

damaged or sheared key

Isolate engine and repeat

test

Spark

Set proper air gap on

external coil

No Spark

Equipment problem,

check switches, wiring

and equipment controls

Engine problem, check

for shorts or grounds in

wiring

Set proper point gap, check

condensor and timing

Test

Parasitic load

Disconnect ignition

cut-off wire

at the ignition coil &

coil for intermittent or

weak spark

repeat test

Check electric starter and

battery if applicable

Oil shutdown or

on/off rocker switch

Check for proper air gap

on external

coil and repeat test

Check flywheel magnets

for strength

Test ignition module

TESTING PROCEDURE

Check for spark using a commercially available spark

tester and following the tester's recommended

procedure.

/4 " (19.05 mm)

Check for the correct spark plug and for cracks in the

porcelain, pitted or burned electrodes, excessive

carbon buildup, and proper air gap setting. Replace

if questionable.

Remove the blower housing, disconnect the ignition

ground lead at the ignition coil (solid state only).

Reinstall the blower housing and crank the engine

over. If spark occurs, check the ignition switch, safety

interlock switches, electrical wiring for shorting to

ground, or oil shutdown switch.

MAGNETS

NOTE: STANDARD POINT IGNITION MAY HAVE TO BE

DISCONNECTED AT THE IGNITION SHUTOFF (AT THE

SPEED CONTROL).

Check the air gap between the flywheel magnets and

the laminations of an externally mounted coil or

module. It should be .0125 (.317 mm) or use gauge

part # 670297.

Check the flywheel magnets for the proper strength

using this rough test. Hold a screwdriver at the

extreme end of the handle with the blade down, move

the blade to within 3/4 inch (19.05 mm) of the

magnets. If the screwdriver blade is attracted to the

magnets, the magnetic strength is satisfactory (diag.

6).

Examine the stator components (diag. 17).

A. Check the ignition cam for roughness.

B. Check the movable point arm that rests on the

ignition cam for wear.

C. Check the spring steel on the point assembly for

evidence of excessive heat.

D. Check contact points for wear. If they are pitted or

burned, this is an indication that the condenser is

not functioning properly. If any of the above are

faulty, replace accordingly.

E. When replacing the points, also replace the

condenser.

F. After the points are replaced and engine is re-

timed, be sure to clean the points with lint free

paper. An engine will not run smoothly if the points

are improperly set or coated with even a small

quantity of oil, etc.

Examine the coil and lamination assembly (either internal or external) for cracks in the insulation or other damage

which would cause shorts or leakage of current. Make sure the electrical leads are intact, especially where they

enter the coil (diag. 18).

Check the operation of the coil using an approved tester. Follow the instructions furnished with the test unit or

booklets offered by the Tecumseh Products Co. Engine and Transmission Group Service Division. If the coil or

lamination assembly is defective, replace as necessary.

NOTE: IF LAMINATIONS ARE BAD ON AN INTERNAL COIL ASSEMBLY, THE ENTIRE STATOR BODY MUST BE

REPLACED SINCE THE LAMINATIONS ARE PERMANENTLY RIVETED TO THE STATOR.

External coils are permanently attached to the lamination and must be serviced as an assembly.

SERVICE

To remove ignition components from the engine, see

Chapter 9 under "Disassembly".

SPARK PLUG SERVICE

Spark plugs should be removed, cleaned, and adjusted

periodically.

Check the air gap with a spark plug gap gauge and adjust

accordingly. Set the spark plug gap at .030" (.762 mm)

(diag. 19).

Replace the plug if the center and ground electrodes are

pitted or burned, or if the porcelain is cracked or

discolored.

When reinstalling the plug make sure it is clean of all foreign material.

NOTE: DO NOT USE A SAND BLASTER TO CLEAN PLUGS, MICROSCOPIC PARTICLES LEFT IN THE PLUG CAN

SCORE THE ENGINE CYLINDER DURING OPERATION. USE A SOLVENT AND A WIRE BRUSH TO CLEAN, AND

BLOW OUT THOROUGHLY WITH COMPRESSED AIR.

Replace the spark plug with the proper spark plug. Consult the proper parts breakdown for the spark plug to be used

in the engine being serviced.

Set the spark plug gap at .030" (.762 mm).

Install the spark plug and tighten to 180 inch pounds torque (20.5 Nm). If a torque wrench is not available, screw spark

plug in as far as possible, by hand, and use a spark plug wrench to turn spark plug 1/8 to 1/4 of a turn further if using

the old spark plug or 1/2 of a turn further if using a new spark plug.

CONDITIONS CAUSING FREQUENT SPARK PLUG FOULING

Carburetor setting too rich or air cleaner restricted.

Partially closed choke shutter.

Poor grade of gasoline.

Improper fuel.

Restricted exhaust system.

Incorrect spark plug.

NORMAL

CARBON DEPOSIT

Incorrect spark plug gap.

Oil level too high, or breather is restricted.

Faulty piston rings.

0. Weak ignition system.

WORN

OIL DEPOSIT

IGNITION TIMING PROCEDURE

In order for an engine to run effectively and efficiently, the spark must ignite the compressed air-fuel mixture when the

piston is in a specific position to deliver maximum power. This position is known as Before Top Dead Center (BTDC).

If the mixture is ignited too soon, kickback can be experienced due to preignition. If the mixture is ignited too late, loss

of power can be experienced due to retarded spark.

The Standard Point System

Internal coils are used on small and medium frame 4 cycle engines. First check the specification charts in the back of

this manual or the quick reference chart for the correct ignition dimensions, (point gap setting and timing specification)

depending on the model of engine.

Begin the procedure by replacing the points if necessary.

To do this remove the nut that secure the movable portion

of the breaker points. Remove the screw from the

stationary portion of the breaker points and the worn

breaker point assembly. Install a new breaker point

assembly and adjust the point gap. This is done by rotating

the crankshaft until the point arm is resting on the high

side of the ignition cam. Set the point gap by loosening

the screw on the movable point set and insert a feeler

gauge per specification. Adjust the point gap so that a

light drag is felt on the feeler gauge. Tighten the screw

and recheck the gap. Leave the leads unattached for the

timing procedure. Use this procedure on all standard point

ignition systems when point replacement is necessary

CRANKSHAFT

ARM

IGNITION

CAM

PIVOT

POINTS

DIAL SCREW

(diag. 21).

Install a dial indicator (Part # 670241), equipped with the

correct tip on the extender leg. Use the small tip for

engines with timing dimensions of between top dead

center (T.D.C.) and .050" (1.27 mm) before top dead

center (B.T.D.C.). Use the large tip for engines with timing

dimensions of between .051" (1.295 mm) B.T.D.C. to

SLEEVE

SCREW

150" (3.81 mm) B.T.D.C. Make sure to secure the

extender leg in position to locate the tip directly over the

piston head. Loosen the screw on the side of the adaptor

sleeve to allow the sleeve to be turned into the threads of

the spark plug hole, not the entire dial indicator. This will

ensure the proper location of the tip. Once the adapter

sleeve is secured in the hole, tighten screw on sleeve

adaptor to prevent the dial from moving up or down, which

would give a false reading (diag. 22).

Find T.D.C. with both valves closed by rotating the

crankshaft clockwise when looking at the magneto end

of the crank, until the needle on the dial stops and

reverses direction. Where the needle stops is T.D.C.

Loosen the screw on the dial, and rotate the dial so that

zero is lined up with the needle at T.D.C. Tighten the screw

on the dial to secure it in place (diag. 23).

DIAL AT 0"

DIAL AT

080"

2.032 mm)

DIAL AT

090"

2.286 mm)

While watching the needle on the dial indicator, rotate

the crankshaft counterclockwise when looking at the

magneto end of the crank, .010" (.254 mm) past the

B.T.D.C. dimension. Then rotate the crankshaft clockwise

to the proper B.T.D.C. dimension, this will take out any

slack between the connecting rod and crankshaft

assembly.

(

Example: If the specification of .080" (2.032 mm) is the

B.T.D.C. dimension, rotate the crankshaft counter-

clockwise so that the needle on the dial indicator travels

to .090" (2.286 mm) B.T.D.C. (diag. 24), then rotate the

crankshaft clockwise so that the needle travels to the

specified dimension of .080" (2.032 mm) B.T.D.C. (diag.

5).

Next, if the original breaker points are being used,

disconnect the leads from the point terminal. Reinstall

the nut & tighten. Connect one lead of a continuity light,

or ohmmeter to the point terminal and the other lead to a

good ground. Loosen the two bolts holding down the stator

and rotate the stator until the continuity light or ohmmeter

indicates a break in the circuit. Torque down the stator

bolts while maintaining the stator plate position and the

timing procedure is completed. Reconnect the leads on

the point terminal and tighten the nut making sure that

the leads do not touch the flywheel (diag. 26).

(continued on top of next page)

Before putting the dust cover back on the points box, clean

the points by sliding lint free paper back and forth between

the contacts. Manually, open the points when removing

the paper to eliminate paper fibers from remaining between

the contact points (diag. 27).

LINT FREE PAPER

Fixed Timed System (External coil)

This system has the contact points and condenser

mounted under the flywheel with the laminations and coil

mounted outside the flywheel. This system is identified

by the square hole in the stator, the round configuration

of the coil, and on older coils, the word "Grey Key" is

stamped on the coil to identify the proper flywheel key to

be used. When ordering an external coil for replacement

from Tecumseh Products, a solid state module will be

received as a replacement. The new module will be

supplied with the proper flywheel key (diag. 28).

Torque down the stator bolts to secure the stator in place.

Next, rotate the crankshaft until the point arm is resting

on the high side of the ignition cam. Set the point gap at

020" (.508 mm), by loosening the screw on the movable

point, and insert a .020" (.508 mm) feeler gauge between

the contact points (diag. 29). Tighten the screw on the

movable point and then recheck the point gap. Be sure to

clean contact points with lint free paper (diag. 27).

NOTE: The flywheel key used on engines with an external

coil and points looks similar to the solid state key, however,

timing will be effected if the wrong key is used.

Reinstall the proper flywheel key, flywheel, washer and

torque down the flywheel nut to specification. Reinstall

the external coil and set the proper air gap to .0125" (.3175

mm) using air gap gauge, part # 670297 between the

magnets and laminations and torque the mounting screws

to specification. Remove the air gap gauge and rotate

the flywheel to check for any possible striking points. If

none are found, the air gap is set correctly and the timing

procedure is completed (diag. 30).

Solid State Ignition Timing

0125

(.3175 mm)

Timing is set using a .0125" (.3175 mm) air gap gauge

(

Part No. 670297). Loosen the two hold-down screws,

insert the .0125" (.3175 mm) remove semi-color gauge

between the laminations and the magnet on the flywheel.

Slide the solid state ignition assembly against the air gap

gauge and the flywheel magnet. Torque the two hold down

screws to the correct specification and remove the air

gap gauge. Rotate the flywheel one full revolution to check

for any possible striking points. If none are found, the air

gap is set correctly and the timing procedure is completed

(diag. 30).

Other Solid State Systems

The following systems are located under the flywheel. All

components are encapsulated into one module. No timing

is necessary with this type (diag. 31, 32, 33).

Check the system by checking for a spark or use a

commercially available test equipment.

SERVICE TIPS

DO NOT:

Interchange flywheels, flywheel keys, spark plugs,

condensers, or points. (Some systems do not use

standard points and condensers.)

Use flywheels with cooling fins that are broken off.

Reglue ceramic magnets back onto the inside of the

flywheel.

Re-oil the cam wiper in a magneto system.

Use a standard business card as an air gap gauge.

File the contact points.

Attempt to reglue the spark plug lead back into a coil

or a solid state module.

Store a solid state module within 20 feet (6.1 meters)

of an unshielded welder.

PLEASE DO:

Follow directions carefully.

Lookup the correct ignition dimensions in the proper

mechanic's manual or quick reference chart, for the

engine being repaired.

Clean points with lint free paper after setting gap.

Reinstall the point terminal nut and tighten after

removing leads, before timing procedure.

Remember to correctly TIME a Tecumseh engine,

even when just changing points on a magneto

system.

Remember to use correct air gap gauge.

Check for correct flywheel key which effects timing.

CHAPTER 9 INTERNAL ENGINE AND CYLINDER

GENERAL INFORMATION

This chapter covers the cylinder block, piston and rod assemblies, cylinder head, crankshaft, camshaft, valve train,

breather, cylinder cover, flywheel, counterbalance systems, and lubrication systems. The governors and the governor

systems are covered in Chapter 4.

All Tecumseh engines covered in this manual are four cycle engines with the valves in the engine block. The crankshaft

position is designated as either horizontal or vertical as the engine rests on its base. The engines identified by decals

or model as XL (Extra Life) or XL/C (Extra Life / Commercial ) are made using aluminum alloy diecast around a cast

iron cylinder liner. However, not all engines with cast iron cylinder liners are identified as XL or XL/C. Engine blocks of

the heavy frame series (HH, VH) are made of cast iron. All other engines use aluminum alloy for the cylinder block

along with pistons that are chromium plated.

OPERATION

4-CYCLE ENGINE THEORY

All 4-cycle engines require four piston strokes to complete

one power cycle. The flywheel on one end of the

crankshaft provides the inertia to keep the engine running

smoothly between power strokes.

The camshaft gear is twice as large as the mating gear

on the crankshaft so as to allow proper engine valve timing

for each cycle. The crankshaft makes two revolutions for

every camshaft revolution.

INTAKE. The intake valve is open and the exhaust

valve is closed. The piston is traveling downward

creating a low pressure area, drawing the air-fuel

mixture from the carburetor into the cylinder area

above the piston (diag. 1).

INTAKE

COMPRESSION

COMPRESSION. As the piston reaches Bottom Dead

Center (BDC) the intake valve closes. The piston then

rises, compressing the air-fuel mixture trapped in the

combustion chamber (diag. 2).

POWER. During this piston stroke both valves remain

closed. As the piston reaches the Before Top Dead

Center (BTDC) ignition point, the spark plug fires,

igniting the air-fuel mixture. In the time it takes to ignite

all the available fuel, the piston has moved to Top

Dead Center (TDC) ready to take the full combustive

force of the fuel for maximum power during downward

piston travel. The expanding gases force the piston

down (diag. 3).

EXHAUST. The exhaust valve opens. As the piston

starts to the top of the cylinder, the exhaust gases

are forced out (diag. 4).

After the piston reaches Top Dead Center (TDC), the four

stroke process will begin again as the piston moves

downward and the intake valve opens.

POWER

EXHAUST

LUBRICATION SYSTEMS

The lubrication system used with all Tecumseh horizontal

crankshaft engines covered in this manual utilize a splash

type system. An oil dipper on the connecting rod splashes

oil in the crankcase to lubricate all internal moving parts.

Some engines have the dipper as an integral part of the

connecting rod assembly, while others have a dipper that

is bolted on with one of the rod bolts (diag. 5).

All vertical shaft engines use a positive displacement

plunger oil pump or rotary type oil pump. Oil is pumped

from the bottom of the crankcase, up through the

camshaft and over to the top main bearing. Oil under

pressure lubricates the top crankshaft main bearing and

camshaft upper bearing (diag. 6).

DIPPER

SPRAY

MIST HOLE

MAIN BEARING OIL

GROOVE

CRANKSHAFT

PASSAGE

On all Tecumseh vertical shaft 4-cycle engines, the oil is

sprayed out under pressure through a small hole between

the top camshaft and crankshaft bearing to lubricate the

piston, connecting rod, and other internal parts (diag. 7).

PLUG

CRANKSHAFT

OIL PASSAGE

CURRENT

The plunger style oil pump is located on an eccentric on

the camshaft. As the camshaft rotates, the eccentric

moves the barrel back and forth on the plunger forcing

oil through the hole in the center of the camshaft. The

ball on the end of the plunger is anchored in a recess in

the cylinder cover (diag. 8).

(TVM195, 220)

CAMSHAFT

BARREL TYPE

LUBRICATION

PUMP

DRILLED

CAMSHAFT

PASSAGE

ASSEMBLE PUMP BARREL

WITH INSIDE CHAMFER

TOWARD CAMSHAFT GEAR

SPRAY

MIST HOLE

OIL DRAIN

HOLE

COUNTERBALANCE SYSTEMS

COUNTERBALANCE

SHAFT

Some Tecumseh engines may be equipped with an Ultra-

Balance counterbalance system. This system uses a

DRIVE GEAR

single weighted shaft that is driven off the crankshaft.

The shaft's function is to counteract the imbalance caused

by the counterweights on the crankshaft and the

combustion forces (diag. 9).

GOVERNOR

FLANGE

CAMSHAFT

COMPONENTS

The cylinder block houses the piston, valves and along with the cylinder cover all the internal components. The block

is a one piece diecast aluminum alloy or cast iron cylinder casting (diag. 10).

The piston transmits the force of the burning and expanding gases through the connecting rod to the crankshaft.

The piston rings provide the seal between the cylinder wall and the piston. The rings keep the combustion pressures

from entering the crankcase and also wipe the oil off the cylinder wall and return it to the sump.

The connecting rod assembly is the link between the piston (piston pin) and the crankshaft.

The cylinder head is a one piece aluminum alloy or cast iron casting that is bolted to the top of the cylinder block. The

many fins provide cooling for the engine.

The crankshaft converts the up and down piston movement to the rotational force (torque) by an offset crankpin or

rod journal.

The camshaft lobes raise and lower the lifters at the proper time to allow air and fuel in and exhaust out of the

cylinder. Teeth on the camshaft gear time the camshaft to the crankshaft.

The valves allow air-fuel mixture to enter the cylinder and exhaust gases to exit. The valves provide a positive seal

when closed.

The valve springs return the valves to the closed position and must be strong enough to maintain valve lifter and cam

lobe contact. The valve retainers lock the spring to the valve stem.

The valve lifters maintain contact on the camshaft and push the valves open.

The crankcase breather is a one way check valve that allows air out and prevents air from coming in. It allows the

engine to develop a partial vacuum in the crankcase during operation.

The cylinder cover (or flange on verticals) provides the bearing surface for the power take off (P.T.O.) end of the

crankshaft and camshaft. This bolted on cover is removed to provide access to all internal components.

The oil pump (vertical shaft only) consists of a steel plunger and a nylon housing that rides on the camshaft eccentric.

The flywheel provides the mass to smooth the effects of one power stroke every other crankshaft revolution. Flywheels

are made of aluminum alloy or cast iron. The flywheel fins act as a fan to cool the engine.

CYLINDER COVER

CYLINDER HEAD

CYLINDER BLOCK

PISTON RINGS

VALVES

PISTON

CONNECTING

VALVE SPRINGS

ROD

CRANKCASE BREATHER

VALVE LIFTERS

CAMSHAFT

CRANKSHAFT

FLYWHEEL

ENGINE OPERATION PROBLEMS

ENGINE KNOCKS

OVERHEATS

SURGES OR RUNS UNEVENLY

Fuel cap vent obstructed

Associated equipment loose or

improperly adjusted

Excessive engine loading

Low oil level or wrong viscosity oil

Check for excessive carbon in

combustion chamber

Dirty carburetor or air filter

Loose flywheel, examine key,

keyway, and proper flywheel nut

torque

Cooling air flow, obstructed or

clogged cooling fins

Carburetor improperly adjusted

Incorrect spark plug or Ignition

timing

Governor sticking, binding or

improper RPM setting

Carburetor improperly adjusted or

improper RPM setting

Incorrect spark plug

or Ignition timing

Carburetor linkage, shafts or

shutters sticking or binding

Loose or worn connecting rod

Worn cylinder

Incorrect spark plug or Intermittent

spark, check ignition

Carbon in the combustion chamber

Incorrect or damaged flywheel key

Lean carb setting causing

overheating (adjustable carb)

EXCESSIVE OIL CONSUMPTION

Piston rings worn

Oil level above full

Wrong viscosity oil

Worn or glazed cylinder

Excessive engine speed

Valve guides worn excessively

Engine cooling fins dirty causing

overheating

Breather damaged, dirty or

improperly installed

Damaged gaskets, seals or

"O" rings

ENGINE OPERATION PROBLEMS

ENGINE MISFIRES

Wrong or fouled spark plug

ENGINE VIBRATES EXCESSIVELY

Bent crankshaft

BREATHER PASSING OIL

Oil level too high

Excessive RPM or improper governor

setting

Carburetor improperly adjusted

Valves sticking or not seating properly

Attached equipment out of balance

Loose mounting bolts

Damaged gaskets, seals or "O" rings

Incorrect spark plug or

Ignition timing

If applicable counter balance not

properly aligned

Breather damaged, dirty or improperly

installed

Piston rings not properly seated or ring

end gaps are aligned

Excessive carbon build up

Improper Valve Lash or

Weak valve springs

Angle of operation too severe

LACKS POWER

Air intake obstructed

Lack of lubrication or improper

lubrication

Carburetor improperly adjusted

Exhaust Obstructed

Improper valve lash

Loss of compression (worn rings,

blown head gasket)

TESTING

ENGINE KNOCKS

Check the blade hub, blade adapter, or crankshaft coupler for loose fit, loose bolts, or crankshaft key damage.

Remove, inspect, replace if necessary. Reinstall and re-torque the bolts to the proper torque.

Check the flywheel key and the flywheel and crankshaft keyway for wear or partial shearing. Replace if any

damage is evident. Tighten the flywheel nut to the proper torque.

Check for the correct ignition module air gap or the correct timing (point ignition). Replace the points and condenser

if the points show any wear, oil, or pitting.

Remove the cylinder head and check for excessive carbon in the combustion chamber. Also check for the correct

head gasket used, and check the spark plug for proper reach and heat range (correct spark plug for the engine).

Check for the proper valve lash using a feeler gauge, and check the internal components (piston, cylinder, connecting

rod, crankshaft journal) for excessive clearance.

ENGINE OVERHEATS

Make sure the engine is not being overloaded. Remove excess load (sharpen blades, limit operation speed,

process less material).

Check the oil level and viscosity. Add or replace as necessary.

Check for clogged cooling fins or obstructions to the air flow. Remove the blower housing, clean and reinstall.

Check the carburetor for correct adjustment or remove and clean the carburetor using tag wire and compressed

air. See Chapter 3 under "Service."

Check the engine R.P.M. setting using a vibratach or other tachometer and compare it to the R.P.M. settings found

on microfiche card #30 according to the engine model and specification number. Adjust as necessary.

Make sure the correct spark plug is being used. Check the ignition timing. See Chapter 8 "Ignition - Service."

Correct flywheel key or partially sheared key.

Remove the cylinder head to check for excessive carbon buildup. Clean as necessary.

SURGES OR RUNS UNEVENLY

Check the fuel cap to make sure it is venting. Loosen the cap and retry engine operation.

Replace or clean the air filter.

Check the carburetor adjustment or clean the carburetor. See Chapter 3 under "Service."

Check the engine R.P.M. setting using a vibratach or other tachometer and compare it to the R.P.M. settings found

on microfiche card #30 according to the engine model and specification number. Adjust as necessary.

Visually check all linkages. Check the governor shaft, throttle shaft, or pivot points for binding.

Check the ignition module operation using a gap type tester inserted in the high tension lead. Check for intermittent

spark, incorrect spark plug, or a fouled condition.

ENGINE MISFIRES

Check the spark plug for the proper application or a fouled condition. Replace if questionable.

Reset the carburetor following the adjustment procedure or clean the carburetor. See Chapter 3 under "Service."

Check the ignition timing. See Chapter 8 under "Service."

Check for carbon buildup in the combustion chamber.

Inspect the valves and valve seats for leakage. Check for scoring or discoloration on the valve stem in the valve

guide area. Recut the valves and seats if questionable. See "Valve Service" in this chapter.

(continued on top of next page)

ENGINE VIBRATES EXCESSIVELY

Check the engine crankshaft on the PTO end for bends using a straight edge, square or a dial indicator. Blades or

adapters must be removed. Any deflection will cause a vibration problem.

Check the engine mounting bolts, make sure they are tight.

Remove and check the attached equipment for an out of balance condition.

If the engine is equipped with a counterbalance shaft, check the gear timing to determine if the counterbalance is

out of time.

BREATHER PASSING OIL

Check the oil level, make sure the engine is not overfilled. Also verify that the viscosity rating on the container of

the oil being used is to specification.

Check the angle of operation. Avoid prolonged use at a severe angle.

Check the engine R.P.M. setting for excessive R.P.M. using a vibratach or other tachometer and compare it to the

R.P.M. settings found on microfiche card # 30 according to the engine model and specification number. Adjust the

high and low R.P.M. as necessary.

Check for leaking or damaged gaskets, seals, or "O"-rings. External leaks may not be evident; however, the leak

may prevent the engine from achieving a partial crankcase vacuum.

Check the breather for damage, dirty condition, or improper installation. The oil return hole(s) must face down.

Check the engine compression using a compression tester. If the engine has weak compression, determine the

cause of weak compression: worn rings, leaking head gasket, or leaking valves. Follow the compression tester's

procedure.

EXCESSIVE OIL CONSUMPTION

Check the oil level, oil viscosity on the container of the oil being used, and oil condition. Replace and fill to the

proper level.

Check the angle of operation. Avoid prolonged use at a severe angle.

Check for leaking or damaged gaskets, seals, or "O"-rings. External leaks may not be evident, however, the leak

may prevent the engine from achieving a partial crankcase vacuum.

Check the engine R.P.M. setting using a vibratach or other tachometer and compare it to the R.P.M. settings found

on microfiche card #30 according to the engine model and specification number. Adjust as necessary.

Check the breather for damage, dirty condition, or improper installation. The oil return hole(s) must face down.

Clean the cooling fins to prevent overheating.

Check the carburetor setting causing a lean running condition, overheating the engine.

Check the engine compression using a compression tester. If the engine has weak compression, determine the

cause of weak compression: worn rings, leaking head gasket, or leaking valves. Follow the compression tester's

procedure.

Check the valve guide clearance for excessive wear.

LACKS POWER

Check the air intake for an obstruction (dirty filter, oil saturated filter, other debris).

Check the oil level, oil viscosity on the container of the oil being used and oil condition. Replace and fill to the

proper level.

Readjust the carburetor or remove the carburetor for cleaning. See Chapter 3 under "Service."

Check the exhaust for a restriction preventing proper exhaust flow.

(continued on top of next page)

Check the engine valve lash. Reset the valves at the proper lash.

Check the valves for proper seating and valve guide lash. Recondition the valves and seats. Replace the valves

if necessary.

Check the ignition timing. Check the flywheel key for partial shearing.

PRESS IN AND LIFT

COVER BEZEL

SERVICE

DISASSEMBLY PROCEDURE

HERE TO RELEASE

COVER

The following procedures apply to most engine models.

Actual procedure may vary.

Disconnect the high tension lead from the spark plug.

Remove the spark plug.

MODEL AND

D.O.M. NUMBER

DECAL

Drain the oil from the crankcase. Drain or shut off the

fuel supply.

LOCATED

UNDER COVER

IF SO EQUIPPED)

Remove the air cleaner assembly.

(

Remove the fuel tank if it is attached to the engine.

Fuel tanks may be held on with bolts, screws, or some

models require taps upward with a soft face hammer

loosening the plastic tank wedged in the blower

housing slots.

SOCKET WRENCH

FLYWHEEL

On some LEV engine models, removal of the bezel

cover is necessary to view the engine identification

or to provide access to the recoil assembly screws.

Push in toward the spark plug end (as shown), lift up

to clear the recoil, then pull the cover away from the

spark plug to remove. (diag. 11)

Remove the blower housing by first unscrewing the

screw holding the dipstick tube to the blower housing

or unscrewing the dipstick tube and removing the

remaining bolts on the blower housing.

FLYWHEEL

TOOL

Unplug the ignition kill wire from the terminal on top

of the ignition module and unbolt the ignition module.

Remove the flywheel nut, washer, and starter cup.

Use a strap wrench (part # 670305) to hold the

flywheel from turning (diag. 12). Thread the

appropriate flywheel knock-off tool part # 670103,

METAL HAMMER

KNOCK OFF TOOL

(7/16") or part # 670169 (1/2") on the crankshaft until

it bottoms out, then back-off one complete turn. Using

a large screwdriver, lift upward under the flywheel

and tap sharply and squarely on the knock-off tool to

break the flywheel loose. If necessary, rotate the

flywheel a half turn and repeat until it loosens (diag.

SCREWDRIVER TO

RAISE FLYWHEEL

3). A flywheel puller (part # 670306) may be used

on engines with cored holes and also on flywheels

with holes drilled and tapped (diag. 14).

NOTE: DO NOT USE A JAW TYPE PULLER.

Remove the flywheel key, stator, and baffle plate.

Remove the muffler.

0. Remove the intake pipe and the carburetor. Be careful

not to bend or damage the linkage when removing.

Mark the hookup points or diagram the linkage

arrangement to aid in reassembly.

1. Remove the cylinder head.

2. Remove the crankcase breather.

(continued on top of next page)

3. Remove the cylinder cover or mounting flange using a seal protector positioned in the seal to prevent seal damage.

The crankshaft must be free of rust or scale to slide the cover off the crankshaft. H30-HS50 horizontal crankshaft

engines with ball bearings on the crankshaft require the oil seal and the snap ring to be removed prior to the cylinder

cover removal. On engines equipped with 8 1/2:1 gear reduction, turn the crankshaft to roll the reduction shaft gear

off the crankshaft worm gear when removing the cylinder cover (diag. 15, 16, 17, 18).

. PTO

Shaft

. Retainer

. Thin

Washer

5. Thick

Washer

. Tang

Washer

. Gear

OIL SLEEVE TOOL

MOUNTING FLANGE

OIL SEAL

OIL SEAL REMOVED

WORM GEAR

SNAP RING

4. Remove the internal components. Align the timing

marks on all engines except VM70, 80, 100, HHM80,

HM70, 80, 100, TVM170, 195, 220 to relieve valve

lifter pressure. On these engines it is necessary to

rotate the camshaft clockwise three (3) teeth past

the aligned position to allow the compression release

mechanism to clear the exhaust valve lifter and to

allow the camshaft to be removed (diag. 19 & 20).

BEVELED TOOTH

TIMING MARK

CRANKSHAFT

GEAR

CAMSHAFT GEAR

15. Remove the lifters, rod cap, and balance shaft or gears

if applicable.

6. Before removing the piston, remove any carbon from

the top of the cylinder bore to prevent ring breakage.

Push the piston out the top of the cylinder bore.

EXHAUST CAM

ROLL PIN

7. Remove the valves by using a valve spring

compressor to compress the valve spring and rotate

the valve spring retainer to allow the valve stem to

pass through. Lift the valves out of the cylinder block.

Remove the spring assemblies being careful to note

the differences, the original placement of the springs

and the presence of seals. Reinstall the spring

assemblies on the same valve in the reverse order

as they are removed.

CAM GEAR

SPRING

INTAKE CAM

PLUNGER (COMPRESSION RELIEF PIN)

CYLINDERS

Visually check the cylinder for broken or cracked fins or a scored cylinder bore. Check the main bearings for wear or

scoring. If the main bearings are worn or scored they can be replaced on some models. See "Crankshaft Bearing

Service" in this chapter.

Use a dial bore gauge or telescoping gauge with a micrometer to accurately measure the cylinder bore. Measure in

the piston travel area approximately 1/2 to 3/4 of an inch (12.7 to 19.05 mm) from the top and the bottom . Measure at

0 degrees to the piston pin, 45 degrees to the piston pin, and even with the piston pin as the piston would appear

when assembled. A rigid hone is recommended to "true" any cylinder irregularities. If the cylinder bore is worn more

than .005" (.127 mm) oversize, out of round or scored, it should be replaced or re-sized to .010 or .020 oversize (.254

mm or .508 mm). In some cases engines are built with oversize cylinders. If the cylinder is oversize, the oversize value

will be imprinted in the top of the cylinder (diag. 23).

To re-size a cylinder, use a commercially available hone of the proper size. Chuck the hone in a drill press with a

spindle speed of about 600 R.P.M.

Start with coarse stones and center the cylinder under the drill press spindle. Lower the hone so the lower end of the

stones contacts the lowest point in the cylinder bore.

Rotate the adjusting nut so that the stones touch the cylinder wall and begin honing at the bottom of the cylinder. A

light honing oil should be used to lubricate and cool while honing. Move the hone up and down at a rate of 50 strokes

per minute to avoid putting ridges in the cylinder wall. Every fourth or fifth stroke, move the hone far enough to extend

the stones one inch beyond the top and bottom of the

cylinder bore.

Check the bore diameter every twenty or thirty strokes

for size and a 35 - 45 crosshatch pattern. If the stones

collect metal, clean the stones with a wire brush when

the hone is removed. (diag. 21).

Hone with the coarse stones until the cylinder bore is

within .002 inch (.051 mm) of the desired finish size.

Replace the coarse stones with finishing stones and

continue honing the cylinder to the final size. Tecumseh

recommends using a 390 grit hone for finishing.

Clean the cylinder and crankcase with soap and water

and dry thoroughly.

TRENCHING

GAPS

Replace the piston and the piston rings with the correct

oversize parts as indicated in the parts manual.

Trenching has been incorporated in the cylinders of the

H50, H60, HHM80, and HM100 series of engines, as well

as the TVM125,140, and 220 models. Trenching improves

air/fuel flow and results in increased horsepower in these

engines. When reinstalling the piston, rings, and rod

assembly in these engines, stagger the ring end gaps

and place the ring end gaps out of the trenched area.

This will prevent the rings from possibly catching the

trenched area and breaking during assembly (diag. 22).

GAPS

STAGGER RING END GAPS AWAY FROM TRENCHING

INDICATES

010 OVERSIZE

CYLINDER

CYLINDER HEADS

Check the cylinder head for warpage by placing the head

on a precision flat surface. If warped in excess of .005"

(

.13 mm) replace the head. Slight warpage can be

corrected by placing a sheet of #400 wet /dry sandpaper

on a precision flat surface and rubbing the head gasket

surface in a circular pattern until the entire gasket surface

shows evidence of sanding. A small amount of honing oil

on the sandpaper will make it easier to slide the head.

Always replace the head gasket and torque the head bolts

in 50 inch pound increments in the numbered sequence

to 200 inch pounds (22.5 Nm) (diag. 24 & 25).

ALL MODELS EXCEPT HM,VM, TVM170,195,220

BELLEVILLE WASHER

(CROWN TOWARD

BOLT HEAD)

Engine models V50, H50, H60, H70, VH50, VH60, VH70

require a flat and a belleville washer on bolts numbered

FLAT

WASHER

, 3, and 7. Current production HM80 and HM100 use

flat washers only on bolts numbered 2 and 3 in conjunction

with the gas tank mounting bolts. All other head bolts on

HM80 and HM100 use a flat and a belleville washer on

each bolt.

TVM170,195,220,VM & HM MODEL ENGINES

INDICATES .010

Engine models V60, V70, TVM125, 140, 195, 220 require

a flat washer and a belleville washer on all head bolts.

OVERSIZE PISTON

PISTONS, RINGS, AND CONNECTING RODS

Piston

The piston should be checked for wear by measuring at

the bottom of the skirt 90 degrees from the piston pin

hole with a micrometer. Check the ring side clearance

using a feeler gauge with new ring. Clean all carbon from

the piston top and the ring grooves before measuring.

Visually inspect the piston skirt area for scoring or

scratches from dirt ingestion. If scoring or deep scratches

are evident, replace the piston.

PISTON MEASUREMENTS ARE TAKEN AT

BOTTOM OF SKIRT 90 FROM WRIST PIN HOLE

ST COMPRESSION RING

SIDE CLEARANCE

If the cylinder bore needs re-sizing, an oversize piston

will be necessary. Oversize pistons are identified by the

imprinted decimal oversize value imprinted on the top of

the piston (diag. 26).

3RD OIL

CONTROL RING

COMPRESSION

RING

Rings

After the cylinder bore diameter has been checked and

is acceptable to rebuild, the ring end gap should be

checked using new rings. Place a new compression ring

squarely in the center of the ring travel area. Use the

piston upside down to push the ring down (diag. 28) and

measure the gap with a feeler gauge. The ring end gap

must be within the specification to have adequate oil

control (diag. 29). This procedure will assure correct piston

ring end gap measurement. Ring side clearance should

also be checked with a feeler gauge when using new

rings with an old piston (diag. 27).

CYLINDER

PISTON

PISTON RING

Replace the rings in sets and install the piston, rings,

and rod assembly in the cylinder bore with the ring end

gaps staggered. When installing new rings in a used

cylinder, the cylinder wall should be de-glazed using a

commercially available de-glazing tool or hone.

(continued on top of next page)

Use a ring expander to remove and replace the rings. Do

not spread the rings too wide or breakage will result.

CHAMFER

ST COMPRESSION RING

If the top compression ring has an inside chamfer, this

chamfer must face UP. The second compression ring will

have either an inside chamfer or an outside notch. The

rule to follow is an inside chamfer always faces up. An

outside notch (diag. 31) will face down or towards the skirt

of the piston.

ND COMPRESSION RING

3RD OIL

CONTROL RING

The oil control ring can be installed with either side up. The

expander (if equipped) end gap and the ring end gap should

be staggered.

EMISSION RINGS

ST COMPRESSION RING

ND COMPRESSION RING

Emission Rings

Used on TVS, LEV, H35, VLV, HM80 and TVXL195

engines that comply with emission standards. These rings

have a narrower width and a different profile (barrel faced).

Barrel faced rings may be installed in either direction. The

underside of the oil control ring utilizes a coil type expander.

RD OIL

CONTROL RING

LONG SIDE OF ROD

CASTING NUMBER

SHORT SIDE OF ROD

These rings conform better to the cylinder allowing for better

oil control by wiping the cylinder wall cleaner. The coiled

expander ring helps create a more uniform load on the

cylinder wall which gives a more consistent distribution of

oil. NOTE: The use of these rings on a standard non-

emission piston will cause ring breakage due to its wider

ring grooves.

ARROW

DIRECTION

VM70, VM100, HM70-100, V80, H80, HHM80, AND TVM SERIES

PISTON AND CONNECTING ROD ASSEMBLIES

Connecting Rods

Some engine models have offset piston pins (not

centered) to centralize the combustion force on the piston.

Engine models LAV50, HM70, HM80, HHM80, HM100,

TVM170,195, 220, have offset pistons. When installing

the connecting rod to the piston it is imperative that the

rod be installed correctly. The piston used on these models

will have either an arrow stamped above the piston pin

hole, a number cast on the inside of the piston skirt or

an arrow stamped on the top of the piston (diag. 32 &

ARROW POINTS

TOWARD THE

VALVES

WRIST PIN

MATCH MARKS

33). All other engine models use a centered piston pin. If

the piston does not have an arrow or number cast inside,

the piston can be installed in either direction on the

connecting rod. On all engine models, the match marks

on the connecting rod must align and face out when

installing the assembly in the engine (diag. 34 & 35).

TVM220 PISTON AND ROD

The arrow on the top of the piston must point toward the

valves when installing it in the cylinder (diag. 33). The inside

casting number (if present) must face toward the long side

of the connecting rod. If there is an arrow on the side of

the piston, the arrow must point toward the short side of

the connecting rod. (diag. 32).

MATCH MARKS

MATCH

MARKS

On horizontal shaft engines, oil dippers are attached to

the bottom connecting rod bolt. Some engines have the

oil dipper cast in the rod cap. Consult the specification

chart for the proper rod bolt torque when installing the

cap. The rod bolts should be torqued in 50 inch pound

(5.5 Nm) increments until the specified torque is achieved.

CRANKSHAFTS AND CAMSHAFTS

BEVEL

CHAMFER TOOTH

Inspect the crankshaft visually and with a micrometer for

wear, scratching, scoring, or out of round condition. Check

for bends on the P.T.O. end using a straight edge, square

or a dial indicator.

CRANKSHAFT GEAR

PUNCH MARK

SMALL

CAMSHAFT

GEAR TIMING

MARK

CAUTION: NEVER TRY TO STRAIGHTEN A

BENT CRANKSHAFT.

HOBBING HOLE

The timing marks on the camshaft and the crankshaft

gears must be aligned for proper valve timing. (diag. 36 &

7).

CRANKSHAFT

Camshafts

GEAR

KEYWAY

Check the camshaft bearing surfaces for wear using a

micrometer. Inspect the cam lobes for scoring or

excessive wear. If a damaged camshaft is replaced, the

mating crankshaft and governor gear should also be

replaced. If the crankshaft gear is pressed on it is not

serviceable and the crankshaft must also be replaced.

SMALL HOBBING

HOLE

CAMSHAFT

GEAR

Clean the camshaft with solvent and blow all parts and

passages dry with compressed air, making sure that the

pins and counterweights are operating freely and

smoothly on mechanical compression relief types.

Camshafts used in rotary mower engines utilize a

composite gear (glass filled nylon) for the purpose of

reducing internal gear noise.

Mechanical Compression Release (MCR) camshafts

have a pin located in the camshaft, that extends over the

exhaust cam lobe, to lift the valve and relieve the engine

compression for easier cranking. When the engine starts,

centrifugal force moves the weight outward and the pin

will drop back down. The engine will now run at full

compression (diag. 38).

COMPRESSION

RELEASE

MECHANISM

Some engines are equipped with Bump Compression

Release (BCR) camshafts that have a small bump ground

on the exhaust lobe of the camshaft to relieve

compression (diag. 39).

EXHAUST

Newer camshafts are designated as Ramp Compression

Release (RCR) and utilize a less aggressive ramp than

what is used on the BCR camshaft.

INTAKE

VALVES

FACE

The valves should be checked for proper clearance,

sealing, and wear. Valve condition is critical for proper

engine performance. Valve clearance should be checked

before removal from the engine block if a valve problem

is suspected or when the valves or seats are recut.

WRONG

Valve clearance (between the valve stem and valve lifter)

should be set or checked when the engine is cold. The

piston should be at T.D.C. on the compression stroke (both

valves closed).

RIGHT

Use a valve grinder or "V" block to hold the valve square

when grinding the valve stem to obtain the proper

clearance (diag. 40).

MARGIN

/32"

(

.793 mm)

When servicing the valves, all carbon should be removed

from the valve head and stem. If the valves are in a usable

condition, the valve face should be ground using a valve

grinder to a 45 degree angle. If after grinding the valve

face the margin is less than 1/32 of an inch (.793 mm),

the valve should be replaced (diag. 41).

FACE

MINIMUM

DIMENSION

STEM

Valves are not identical. Valves marked "EX" or "X" are

installed in the exhaust valve location. Valves marked "I"

are installed in the intake valve location. If the valves are

unmarked, the nonmagnetic valve (head) is installed in

the exhaust valve location.

SPRING MUST BE SQUARE

DAMPENING COILS

LOCATED CLOSER

TOGETHER

To reinstall the valves, position the valve caps and springs

in the valve compartment. If the spring has dampening

coils, the valve spring should be installed with the

dampening coils away from the valve cap and retainer

(diag. 42).

Install the valves into the guides making sure the correct

valve is in the proper port. The valve stem must pass

through the upper valve cap and spring. Hook the valve

spring retainer on the groove in the valve stem and

release the spring tension to lock the cap in place. Early

models may have a pin through the valve stem. Compress

the spring and cap and use a needle nose pliers to insert

the pin in the valve stem hole. Release the spring and

check that the pin is locked under the cap.

NOTE: If the spring has dampening coils, they always go

toward the stationary surface.

Valve Seats

Valve seats are not replaceable. If they are burned, pitted, or distorted they can be reground using a grinding stone or a

valve seat cutting tool. Valve seats are ground to an angle of 46 degrees. Check the specifications section for proper

width.

The recommended procedure to properly cut a valve seat is to use the Neway Valve Cutting System, which consists

of three different cutters. LEV engines have a small combustion chamber and require the use of a special Neway

cutter #103 for the 46 and 31 degree combination cutter. The 60 degree cutter is Neway cutter #101. The tapered

pilots required are; Neway #100-1/4-1 for the .249 (6.325 mm) exhaust guide, and Neway #100-1/4 for the .250

(

6.35 mm) intake guide. Consult the cutter's complete procedure guide for additional information.

NOTE: The valve seats are cast into the engine block at a slight angle on the LEV engines. When reconditioning valve

seats on the LEV engine, the seat cutter will make simultaneous contact with the seat and the aluminum portion of the

engine block. There is no detrimental effect to performance or life of the valve seat or block from the procedure.

First, use the 60 degree cutter to clean and narrow the seat from the bottom to the center (diag. 43).

Second, use the 31 degree cutter to clean and narrow the seat from the top toward the center (diag. 44).

Third or last, use the 46 degree cutter to cut the seat to a width of 3/64" (1.191 mm) (diag. 45).

BOTTOM

NARROWING

CUTTER

TOP

NARROW

TOP

NARROWING

CUTTER

SEAT CUTTER

3/64"

(

1.191 mm)

SEAT

BOTTOM

NARROWING

SEAT

BOTTOM

NARROW

Valve Lifters

The valve lifters on some engines are different lengths. The shorter lifter is installed in the intake position and the

longer lifter is installed in the exhaust position. When removing, mark the lifters to install the lifter in the same position

as it was removed from.

Oversize Valve Guides

The valve guides are permanently installed in the cylinder block. If they get worn excessively, they can be reamed

oversize to accommodate a 1/32" (.793 mm) oversize valve stem.

The guides should be reamed oversize with a straight shanked hand reamer or low speed drill press. Refer to the

Table of Specifications" (Chapter 10) to determine the correct oversize dimension. Reamers are available through

your local Tecumseh parts supplier. Consult the tool section in Chapter 11 for the correct part numbers.

The upper and lower valve spring caps must be redrilled to accommodate the oversize valve stems.

After oversizing the valve guides, the valve seats must be recut to align the valve seat to the valve guide.

CRANKCASE BREATHERS

The breather element and case can be cleaned using

cleaning solvent. Make sure the small drain hole or holes

are clean and installed facing down, so as to allow oil to

return back into the crankcase.

TUBE

CHECK VALVE

Top Mounted Breather

ELEMENT

BAFFLE

This type of breather is mounted in the top and rear of

the cylinder block in vertical shaft engines. The check

valve allows positive pressure to be vented through the

element and out the tube. Some engines have the

breather tube connected to the air cleaner assembly (diag.

PRESSURE OUT

OIL RETURN

6).

Late production top mounted breathers use the rubber boot

and breather tube as a push in design. Mark or note the

location of the breather tube. Use a large flat blade

screwdriver to pry the boot up and lift the breather

assembly out. Be careful not to drop the breather body

out of the rubber boot when removing (diag. 47).

A new breather tube boot is recommended for

replacement to assure proper crankcase seal. Apply

engine oil to the breather tube boot and push the breather

in until the top shoulder of the boot contacts the

crankcase.

GASKET

BODY

COVER GASKET

BODY

REED

Side Mounted Breather

This type of breather mounts over the valve compartment

and uses a reed style check valve. Most horizontal shaft

engines use this style of breather. The filter element is

held in place by a small barb in the cover. To remove the

filter, insert a knife blade between the filter element and

the barb, and depress the filter element (diag. 48).

FILTER

GASKET

Some engine models have two gaskets installed next to

the cylinder block. If two gaskets were originally installed,

replace them using two gaskets (diag. 49).

DRAIN

HOLE

COVER

TUBE

BAFFLE

GASKET

COVER PLATE

RETURN HOLE

COVER

ONE WAY

DISC VALVE

GASKET

Integral Breather

Some ECV engines are equipped with breathers that are

part of the cylinder block. Venting is accomplished through

passages drilled in the block to route the air flow to the

outside (diag. 50).

ONE WAY

DISC VALVE

WELCH

IDENTIFICATION PLUG

PLATE

RETURN

HOLE

BAFFLE

CYLINDER COVER, OIL SEAL, AND BEARING SERVICE

Cylinder Cover

The following procedures, except oil seal replacement, require engine disassembly. See "Disassembly Procedure" in

this chapter.

Clean and inspect the cover, look for wear and scoring of the bearing surfaces. Measure the bearing surface diameters

using a micrometer and check the specifications for worn or damaged parts. Replace as necessary.

When reinstalling the cover, apply a drop of Loctite 242 to the cover screw threads and re-torque to the recommended

specification. Always use new oil seals and gaskets after disassembly.

Oil Seal Service

OIL SEAL REMOVER

TOOL: POSITIONED FOR

REMOVAL OF OIL SEAL

NOTE: BEFORE REMOVING THE OIL SEAL, CHECK TO

SEE IF THE SEAL IS RAISED OR RECESSED. WHEN

INSTALLING A NEW OIL SEAL, TAP IT INTO POSITION

GENTLY UNTIL IT IS SEATED INTO ITS BOSS. SOME

SEALS ARE NOT POSITIONED FLUSH TO THE

CYLINDER COVER. ATTEMPTING TO INSTALL THE

SEAL TOO FAR IN CAN CAUSE DAMAGE TO THE OIL

SEAL AND ENGINE.

OIL SEAL

If the crankshaft is removed from the engine, remove the

old oil seals by tapping them out with a screwdriver or

punch from the inside. If the crankshaft is in place, remove

the seal by using the proper oil seal puller (diag. 51).

OIL SEAL

DRIVER 670272

Select the proper seal protector and driver from the tool

list in Chapter 11 to install a new oil seal. Place the oil

seal over the protector (spring side of seal faces inward)

and place it over the crankshaft. Drive the seal into position

using the universal driver part no. 670272. The seal

protector will insure that the seal is driven in to the proper

depth (diag. 52).

OIL SEAL

OIL SEAL DRIVER

PROTECTOR

CRANKSHAFT BEARING SERVICE

Ball Bearing Service (H40-HM100 engines)

To remove the ball bearing from the cylinder cover, the

bearing locks will have to be rotated out of the way. First

loosen the locking nuts with a socket. Turn the retainer

bolts counterclockwise to the unlocked position with a

needle nose pliers (diag. 53). The flat side of the retainer

will face away from the bearing in the unlocked position

UNLOCKED

(diag. 54).

When reinstalling the locks, the flat side must face the

bearing while the locking nuts should be torqued to

LOCKED

P.T.O. BALL BEARING

INTERIOR OF COVER

5-22 inch pounds (1.695 - 2.486 Nm).

To remove a ball bearing from the crankshaft, use a

bearing splitter and a puller (diag. 55).

When installing the ball bearing to the crankshaft, the

bearing must be heated by either using a hot oil bath or

heat lamp to expand the bearing. This will allow the

bearing to slide on the crankshaft with no interference fit.

Be careful to use adequate protection handling the hot

ball bearing. The bearing and the thrust washer must

seat tightly against the crankshaft gear.

FLAT

TURN CLOCKWISE

TO LOCK

FLAT

TURN COUNTER-

CLOCKWISE TO UNLOCK

EXTERIOR OF COVER

BALL

BEARING

PULLER

BEARING

SPLITTER

COUNTERBALANCE SERVICE

DRIVE GEAR

To correctly align the Ultra-Balance system, rotate the

GOVERNOR

piston to top dead center (TDC) and insert the

counterbalance shaft into its boss in the cylinder block

with the arrow on the gear pointing toward the crankshaft.

Slide the drive gear on the crankshaft, making sure the

drive gear is located on the crankshaft key and that the

arrow on the drive gear is aligned with the arrow on the

gear on the counterbalance shaft (diag. 56 & 57).

FLANGE

CAMSHAFT

KEYWAY

COUNTER

BALANCE

SHAFT

DRIVE

GEAR

FLYWHEEL SERVICE

POLYPROPYLENE

PORTION OF

FLYWHEEL

Some Tecumseh engines have polypropylene fans that

are replaceable. A damaged fan can be replaced by

tapping on the outside portion of the fan until it separates

from the iron portion of the flywheel (diag. 58).

A new fan may be installed by heating the polypropylene

fan in a pan of boiling water. Suspend the fan off the

bottom of the pan while heating. Using adequate

protection, install the hot fan to the flywheel. Make sure

the fan locators fit into the hub area of the flywheel.

IRON WHEEL

Flywheel magnets are factory installed and permanently

bonded to the flywheel. If the magnets are damaged or

lose their magnetic strength, the flywheel must be

replaced.

CHAPTER 10

ENGINE SPECIFICATIONS

The engine specifications listed on the following

pages include tolerances that are considered

acceptable to achieve normal engine operation.

Observed values inside the listed tolerance range

are satisfactory and require no adjustments.

FOUR CYCLE TORQUE SPECIFICATIONS

The torque specifications listed in this chart are to be used for replacing components after disassembly, not for

checking an existing engine bolt torque. Checking a torque value on a new or used engine may be lower due to

torque relaxation that occurs on all engines from thermal expansion and contraction. However, sufficient clamping

force exists and a re-torque is not necessary.

H, V,

HH,

TVM &

TVXL

170,

ALL

TVXL

TVS

TVM HSK V50

HSSK 125, H50- V60 HSK

HMSK

HMXL

HH,

50-70 LEV

ALL

Location

in. lbs. ft. lbs.

TNT ECV LAV

30-40

140

V70

H70 195,220

Cyl. Head Bolts

200

105

170

210

16.5 22.5

Conn. Rod Bolts

8.5

11.5

17.5

9.5

10.5

37.5

Cyl. Cover or

Flange

115

Cyl. Cover or

Flange

125

(Powerlok)

Flywheel Nut

Aluminum)

(

Flywheel Nut

475

(Cast iron)

Flywheel Nut

630

52.5

Flywheel Nut Ext.

Ign.

Spark Plug

250

28.5

Ign. Mounting

(Direct

to Cylinder)

Ign. Mounting

(

Direct to

7.5

Cylinder)

Ign. Mounting

(Stud

to Cylinder)

Ign. Mounting (to

Stud)

Intake Pipe to

Cylinder

Intake Pipe to

Cylinder

8.5

11.5

13.5

Intake Pipe to

Cylinder

Carburetor to

Intake Pipe

Carb. Adapter to

Cylinder

9.5

FOUR CYCLE TORQUE SPECIFICATIONS - CONTINUED

The torque specifications listed in this chart are to be used for replacing components after disassembly, not for

checking an existing engine bolt torque. Checking a torque value on a new or used engine may be lower due to

torque relaxation that occurs on all engines from thermal expansion and contraction. However, sufficient clamping

force exists and a re-torque is not necessary.

V80

TVM &

H, V,

HH,

TVXL

170,

195,

220

ALL

TVXL

TVS

TVM HSK, V50

HSSK 125, H50- V60 HSK

HMSK

HMXL

HH,

50-70 LEV

ALL

Location

in. lbs. ft. lbs.

TNT ECV LAV

30-40

140

V70

H70

Muffler Mounting

Shoulder Screw

8.5

11.5

Muffler

Mounting No

Shoulder Screw

2.5

Muffler Mounting

7.5

2.5

7.5

(Pancake)

Muffler Mounting

Lock Tabs)

(

Muffler Mounting

HTL)

7.5

6.5

(

Muffler Mtg.

120

Muffler Mtg.

Flanged

Muffler Mtg.

Shoulder Bolt

110

12.5

7.5

Magneto Stator

To Cylinder

5.5

Recoil Starter Top

Mount & 8-32

Thread Forming

22.5

2.5

Recoil Starter

5.5

9.5

(Top Mount)

Recoil Starter

Side Mount

(

Plastic)

Recoil Starter

(Side Mount

Metal)

Electric Starter

To Cylinder

7.5

Electric Starter

To Cylinder

Electric Starter

To Cylinder

17.5

ENGINE SPECIFICATIONS STANDARD POINT IGNITION

All models have point setting of .020" (.508 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

LAV25, LAV30, TVS75

Prior to 8/1987,

H30

LAV35, H35

H35

SPECIFICATIONS

H25, H30-1982 & Prior

(1983 Serial no.)

(1982 & prior)

(1983 Serial no.)

ECV100

Metric

U.S.

Displacement (in³) (cc)

7.75

127.02

46.838

9.06

148.50

46.838

9.06

148.50

9.52

156.03

49.225

9.98

163.57

Stroke

Bore

1.844

46.836

1.938

1.844

46.838

.3125

.3135

58.738

58.763

2.5000

2.5010

63.5

63.525

2.5000

2.5010

63.5

63.525

2.5000

2.5010

63.5

63.525

2.6250

2.6260

66.675

66.700

Timing Dim.

B.T.D.C.

.065

1.651

0.035

.889

0.065

1.651

0.035

.889

0.035

.889

004

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

Valve Clearance

Valve Seat Width

.008

.035

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.045

Valve Guide

Oversize Dim.

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

Crankshaft End

Play

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

Crankpin Journal

Dia.

.8610

.8615

21.869

21.882

.8610

.8615

21.869

21.882

.8610

.8615

21.869

21.882

.9995

1.0000

25.387

25.400

.8610

.8615

21.869

21.882

Crankshaft Mag.

Main Brg. Dia.

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.8735

.8740

22.187

22.200

Crankshaft P.T.O.

Main Brg. Dia.

.8735

.8740

22.187

22.200

.8735

.8740

22.187

22.200

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.8735

.8740

22.187

22.200

4975

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

Camshaft Bearing

.4980

Conn. Rod Dia.

Crank Brg.

.8620

.8625

21.895

21.908

.8620

.8625

21.895

21.908

.8620

.8625

21.895

21.908

1.0005

1.0010

25.413

25.425

.8620

.8625

21.895

21.908

Piston Diameter

Bottom Of Skirt

2.3092

2.3100

58.654

58.674

2.4952

2.4960

63.378

63.398

2.4952

2.4960

63.378

63.398

2.4952

2.4960

63.378

63.398

2.6202

2.6210

66.553

66.573

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

0005

.013

.089

.0005

.0035

.013

.089

.0005

.0035

.013

.089

.0005

.0035

.013

.089

.001

.004

.025

.102

.0035

Piston Skirt

Clearance

.0025

.0043

.064

.109

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0040

.0058

.102

.147

007

.178

.432

.007

.017

.178

.432

.007

.017

.178

.432

.007

.017

.178

.432

.007

.017

.178

.432

Ring End Gap

.017

Cylinder Main

Brg.

.8755

.8760

22.238

22.250

1.0005

1.0010

25.413

25.425

.8755

.8760

22.238

22.250

1.0005

1.0010

25.413

25.425

.8755

.8760

22.238

22.250

Cylinder

Cover/Flange

Main Bearing

Diameter

.8755

.8760

22.238

22.250

.8755

.8760

22.238

22.250

.8755

.8760

22.238

22.250

1.0005

1.0010

25.413

25.425

.8755

.8760

22.238

22.250

Check to detemine bore size

Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205

(

79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031

.762/.787 mm)

ENGINE SPECIFICATIONS STANDARD POINT IGNITION (CONT.)

All models have point setting of .020" (.508 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

V40-V40B, VH40,

H40, HH40

LAV40, TVS105,

HS40, TVXL105

SPECIFICATIONS

TNT100

Metric

ECV105

Metric

ECV110

Metric

U.S.

Displacement (in³) (cc)

9.98

163.57

11.04

2.250

180.95

57.15

10.49

1.938

171.93

49.23

10.5

172.10

11.5

188.49

Stroke

Bore

1.844

46.838

1.938

49.23

1.938

49.23

.6250

.6260

66.675

66.700

2.5000

2.5010

63.500

63.525

2.6250

2.6260

66.675

66.700

2.6250

2.6260

66.675

66.700

2.7500

2.7510

69.85

69.88

Timing Dim.

B.T.D.C.

.035

.889

0.050

1.27

0.035

.889

0.035

.889

0.035

.889

004

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

Valve Clearance

Valve Seat Width

.008

.035

.889

1.143

.042

.052

1.067

1.321

.035

.045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.045

Valve Guide

Oversize Dim.

.2807

.2817

7.130

7.155

.3432

.3442

8.717

8.743

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

Crankshaft End

Play

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

Crankpin Journal

Dia.

.8610

.8615

21.869

21.882

1.0615

1.0620

26.962

26.975

.9995

1.0000

25.387

25.400

.9995

1.0000

25.387

25.400

.9995

1.0000

25.387

25.400

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9990

.9995

25.375

25.387

Crankshaft P.T.O.

Main Brg. Dia.

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

4975

12.637

12.649

.6230

.6235

15.824

15.837

.4975

.4980

12.637

12.649

.4975

.4980

25.413

25.425

.4975

.4980

25.413

25.425

Camshaft Bearing

.4980

Conn. Rod Dia.

Crank Brg.

.8620

.8625

21.895

21.908

1.0630

1.0635

27.000

27.013

1.0005

1.0010

25.413

25.425

1.0005

1.0010

12.637

12.649

1.0005

1.0010

12.637

12.649

Piston Diameter

Bottom Of Skirt

2.6202

2.6210

66.553

66.573

2.4945

2.4950

63.360

63.373

2.6202

2.6210

66.553

66.573

2.6202

2.6210

66.553

66.573

2.7450

2.7455

69.723

69.736

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

001

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.004

Piston Skirt

Clearance

.0040

.0058

.102

.147

.0055

.0070

.140

.178

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0045

.0060

.114

.152

007

.178

.432

.007

.017

.178

.432

.007

.017

.178

.432

.007

.017

.178

.432

.007

.017

.178

.432

Ring End Gap

.017

Cylinder Main

Brg.

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Cylinder

Cover/Flange

Main Bearing

Diameter

.8755

.8760

22.238

22.250

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Check to detemine bore size

Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205

(

79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031

.762/.787 mm)

ENGINE SPECIFICATIONS STANDARD POINT IGNITION

All models have point setting of .020" (.508 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

V70, VH70,

LAV50, TVS120,

HS50

TNT 120

ECV120

V50, VH50,

TVM125, H50, HH50 TVM140, H60, HH60

V60, VH60,

VM70,

H70, HH70

SPECIFICATIONS

Metric

U.S.

12.04

1.938

U.S.

12.18

2.25

U.S.

13.53

2.5

U.S.

15.04

2.532

Displacement (in³) (cc)

12.04

1.938

197.34

49.23

197.34

199.63

57.15

221.76

63.5

246.51

Stroke

Bore

49.23

64.31

.8120

.8130

71.425

71.450

2.8120

2.8130

71.425

71.450

2.6250

2.6260

66.675

66.700

2.6250

2.6260

66.675

66.700

2.7500

2.7510

69.85

69.88

Timing Dim.

B.T.D.C.

.035

.889

0.035

.889

0.080

2.032

0.080

2.032

0.080

2.032

004

.102

.254

.004

.010

.102

.254

.008

.012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

Valve Clearance

Valve Seat Width

.010

.035

.889

1.143

.035

.045

.889

1.143

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.045

Valve Guide

Oversize Dim.

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

005

.127

.686

.005

.027

.127

.027

.005

.027

note F

.127

.027

.005

.027

note F

.127

.027

.005

.027

note F

.127

.027

Crankshaft End

Play

.027

Crankpin Journal

Dia.

.9995

1.0000

25.387

25.400

.9995

1.0000

25.387

25.400

1.0615

1.0620

26.962

26.975

1.0615

1.0620

26.962

26.975

1.1860

1.1865

30.124

30.137

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

Crankshaft P.T.O.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

4975

12.637

12.649

.4975

.4980

12.637

12.649

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

Camshaft Bearing

.4980

Conn. Rod Dia.

Crank Brg.

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0630

1.0635

27.000

27.013

1.0630

1.0635

27.000

27.013

1.1880

1.1885

30.175

30.188

Piston Diameter

Bottom Of Skirt

2.8072

2.8080

71.303

71.323

2.8072

2.8080

71.303

71.323

2.6210

2.6215

66.573

66.586

2.6210

2.6215

66.573

2.6215

2.7450

2.7455

69.723

69.736

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.004

.051

.102

.002

.004

.051

.102

.002

.003

.051

.076

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

001

.025

.102

.001

.004

.025

.102

.002

.004

.051

.102

.002

.004

.051

.102

.001

.003

.025

.076

.004

0040

.102

.147

.0040

.0058

.102

.147

.0035

.0050

note D

.089

.127

.0035

.0050

note D

.089

.127

.0045

.0060

note E

.114

.152

Piston Skirt

Clearance

.0058

007

.178

.432

.007

.017

.178

.432

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

Ring End Gap

.017

Cylinder Main

Brg.

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Cylinder

Cover/Flange

Main Bearing

Diameter

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Check to detemine bore size

Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205

(

79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031

.762/.787 mm)

ENGINE SPECIFICATIONS STANDARD POINT IGNITION (Cont.)

All models have point setting of .020" (.508 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

V80, VM80*,

H70, HM80*

VM80*, TVM195,

HM80*, HHM80

SPECIFICATIONS

TVM170, HM70

VM100, HM100*

TVM220, HM100*

Metric

U.S.

7.17

.532

281.42

64.31

18.65

305.67

19.43

note A

318.46

64.31

20.2

333.08

64.31

21.82

2.532

357.63

64.31

Displacement (in³) (cc)

2.532

64.31

2.532

note B

2.532

Stroke

Bore

.9375

.9385

74.613

74.638

3.0620

3.0630

77.775

77.800

3.1250

3.1260

79.375

79.400

3.1870

3.1880

80.950

80.975

3.3120

3.3130

84.125

84.150

Timing Dim.

B.T.D.C.

.090

2.286

0.090

2.286

0.090

2.286

0.090

2.286

0.090

2.286

008

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

Valve Clearance

Valve Seat Width

.012

.042

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.052

Valve Guide

Oversize Dim.

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

Crankshaft End

Play

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

Crankpin Journal

Dia.

1.1860

1.1865

30.124

30.137

1.1860

1.1865

30.124

30.137

1.1860

1.1865

30.124

30.137

1.1860

1.1865

30.124

30.137

1.1860

1.1865

30.124

30.137

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

Crankshaft P.T.O.

Main Brg. Dia.

1.1870

1.1875

30.150

30.163

1.1870

1.1875

30.150

30.163

1.1870

1.1875

30.150

30.163

1.1870

1.1875

30.150

30.163

1.1870

1.1875

30.150

30.163

6230

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

Camshaft Bearing

.6235

Conn. Rod Dia.

Crank Brg.

1.1880

1.1885

30.175

30.188

1.1880

1.1885

30.175

30.188

1.1880

1.1885

30.175

30.188

1.1880

1.1885

30.175

30.188

1.1880

1.1885

30.175

30.188

.9325

.9335

74.486

74.511

3.0575

3.0585

note C

77.661

77.686

3.1195

3.1205

79.235

79.261

3.1815

3.1825

80.810

80.836

3.3090

3.3105

84.049

84.087

Piston Diameter

Bottom Of Skirt

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

001

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.004

Piston Skirt

Clearance

.004

.006

.102

.152

.0035

.0055

.089

.140

.0045

.0065

.114

.175

.0045

.0065

.114

.175

.0015

.0040

.038

.102

010

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

Ring End Gap

.020

Cylinder Main

Brg.

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Cylinder

Cover/Flange

Main Bearing

Diameter

1.1890

1.1895

30.201

30.213

1.1890

1.1895

30.201

30.213

1.1890

1.1895

30.201

30.213

1.1890

1.1895

30.201

30.213

1.1890

1.1895

30.201

30.213

Check to detemine bore size

Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205

(

79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031

.762/.787 mm)

SOLID STATE AND EXTERNAL IGNITION

All solid state models have air gap settings of .0125" (.3175 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

SPECIFICATIONS

TVS 75

Prior to 8/87

V40, TVS105,

HS40

TVS100, ECV100,

TNT100

TVS90

Metric

H35

Metric

U.S.

7.75

U.S.

9.06

U.S.

9.52

U.S.

10.49

1.938

U.S.

Displacement (in³) (cc)

127.02

148.50

156.03

49.225

171.93

9.98

163.57

46.838

Stroke

1.844

46.838

1.844

46.838

1.938

49.225

1.844

.3125

.3135

58.738

58.763

2.500

2.501

63.500

63.525

2.500

2.501

63.500

63.525

2.625

2.626

66.675

66.700

2.625

2.626

66.675

66.700

Bore

004

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

Valve Clearance

Valve Seat Width

.008

.035

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.045

Valve Guide

Oversize Dim.

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

005

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

Crankshaft End

Play

.027

Crankpin

Journal Dia.

.8610

.8615

21.869

21.882

.8610

.8615

21.869

21.882

.9995

1.0000

25.387

25.400

.9995

1.0000

25.387

25.400

.8610

.8615

21.869

21.882

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

Crankshaft P.T.O.

Main Brg. Dia.

.8735

.8740

22.187

22.200

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.8735

.8740

22.187

22.200

4975

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

Camshaft Bearing

.4980

Conn. Rod Dia.

Crank Brg.

.8620

.8625

21.895

21.908

.8620

.8625

21.895

21.908

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

.8620

.8625

21.895

21.908

Piston Diameter

Bottom Of Skirt

2.3092

2.3100

58.654

58.674

2.4952

2.4960

63.738

63.398

2.4952

2.4960

63.738

63.398

2.6202

2.6210

66.553

66.573

2.6202

2.6210

66.553

66.573

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

0005

.013

.089

.0005

.0035

.013

.089

.0005

.0035

.013

.089

.001

.004

.025

.102

.001

.004

.025

.102

.0035

Piston Skirt

Clearance

.0025

.0043

.064

.109

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0040

.0058

.102

.147

010

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

Ring End Gap

.020

.0005

.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Cylinder Main Brg.

Cylinder

Cover/Flange Main

Bearing Diameter

8755

8760

22.238

22.250

.8755

.8760

22.238

22.250

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

.8755

.8760

22.238

22.250

Check to detemine bore size

Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205

(

79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031

.762/.787 mm)

SOLID STATE AND EXTERNAL IGNITION

All solid state models have air gap settings of .0125" (.3175 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

TVS105

TVS120

J & later

HS50 H & later

HSSK N & later

TVS/ TVXL115

56000 Series

TVS/TVXL 115,

57000 A & later

LAV50, TVS120,

HS50 G & earlier

HSSK50 M & earlier

7000 Series

ONLY

VH50, TVM125, H50,

HH50

SPECIFICATIONS

Metric

U.S.

11.44

1.844

U.S.

Displacement (in³) (cc)

187.50

46.838

11.32

1.844

185.53

46.838

11.9

195.04

49.23

12.04

1.938

197.34

49.23

12.18

2.250

199.63

57.15

Stroke

1.938

.812

.813

71.425

71.450

2.795

2.796

70.993

71.018

2.795

2.796

70.993

71.018

2.812

2.813

71.425

71.450

2.625

2.626

66.675

66.700

Bore

004

008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.008

.012

.203

.305

Valve Clearance

Valve Seat Width

035

045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.035

.045

.889

1.143

.042

.052

1.067

1.321

Valve Guide

Oversize Dim.

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.2807

.2817

7.130

7.155

.3432

.3442

8.717

8.743

Crankshaft End

Play

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

Crankpin

Journal Dia.

.8610

.8615

21.869

21.882

.8610

.8615

21.869

21.882

.9995

1.000

25.387

25.400

.9995

1.000

25.387

25.400

1.0615

1.0620

26.962

26.975

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

Crankshaft P.T.O.

Main Brg. Dia.

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

4975

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.6230

.6235

15.824

15.837

Camshaft Bearing

.4980

Conn. Rod Dia.

Crank Brg.

.8620

.8625

21.895

21.908

.8620

.8625

21.895

21.908

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0630

1.0635

27.000

27.013

.8072

.8080

71.303

71.323

2.790

2.791

70.866

70.891

2.790

2.791

70.866

70.891

2.8072

2.8080

71.303

71.323

2.6212

2.6220

Note (D)

66.578

66.599

Piston Diameter

Bottom Of Skirt

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

001

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.004

Piston Skirt

Clearance

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0040

.0058

.102

.147

.0030

.0048

.076

.122

010

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

Ring End Gap

.020

.0005

.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Cylinder Main Brg.

Cylinder

Cover/Flange Main

Bearing Diameter

.0005

.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Check to detemine bore size

Notes: (A) VM & HM80 - Displacement 19.41 (318 cc) (B) VM & HM80 - Bore 3-1/8"(79.375 mm) (C) VM & HM80 Piston Dia. 3.1195/3.1205

(

79.235/79.261 mm) (D) VH50, 60 .0015/.0055 (.038/.140mm) (E) VH70 .0038/.0073 (.097/.185 mm) (F) VH, HH50-70 Models .003/.031

.762/.787 mm)

SOLID STATE AND EXTERNAL IGNITION

All solid state models have air gap settings of .0125" (.3175 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

SPECIFICATIONS

LEV80

LEV100

LEV115

LEV120

Metric

U.S.

7.75

U.S.

9.98

U.S.

11.32

1.844

U.S.

11.90

1.938

Displacement (in³) (cc)

127.02

163.57

46.838

185.53

46.838

195.04

Stroke

1.844

.313

46.838

58.750

1.844

2.625

49.23

66.675

66.700

2.795

2.796

70.993

71.018

2.795

2.796

70.993

71.018

Bore

.626

004

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

.004

.008

.102

.203

Valve Clearance

Valve Seat Width

.008

.035

.889

1.143

.066

.086

1.676

2.184

.066

.086

1.676

2.184

.066

.086

1.676

2.184

.045

Valve Guide

Oversize Dim.

N / A

005

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

.005

.027

.127

.686

Crankshaft End

Play

.027

Crankpin

Journal Dia.

.8610

.8615

21.869

21.882

.9995

1.000

25.837

25.400

.9995

1.000

25.837

25.400

.9995

1.000

25.837

25.400

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

Crankshaft P.T.O.

Main Brg. Dia.

.8735

.8740

22.187

22.200

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

4975

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

.4975

.4980

12.637

12.649

Camshaft Bearing

.4980

Conn. Rod Dia.

Crank Brg.

.8620

.8625

21.895

21.908

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Piston Diameter

Bottom Of Skirt

2.309

2.310

58.649

58.674

2.620

2.622

66.548

66.599

2.790

2.792

70.866

70.917

2.790

2.792

70.866

70.917

Ring Groove

Side Clearance

0011

.028

.109

.005

Max.

.127

.089

.005

Max.

.127

.089

.005

Max.

.127

.089

.0043

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

.001

.025

.102

.0035

Max.

.0035

Max.

.0035

Max.

.004

Piston Skirt

Clearance

.0025

.0045

.064

.114

.003

.006

.076

.152

.003

.006

.076

.152

.003

.006

.076

.152

005

013

.127

.330

.005

.024

.127

.610

.005

.024

.127

.610

.005

.024

.127

.610

Ring End Gap

.0005

.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

Cylinder Main Brg.

Cylinder

Cover/Flange Main

Bearing Diameter

8755

8760

22.238

22.250

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

SOLID STATE AND EXTERNAL IGNITION

All solid state models have air gap settings of .0125" (.3175 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

HSK60

VH60, TVM140, H60,

HH60

V70, VH70,H70, HSK70,

HH70, TVM170 (E)

MODEL

TVM170 Models

F & UP ), HM70 Models

(E & up)

HM70

(Models ending in C)

HM70

(Models ending in D)

SPECIFICATIONS

Metric

U.S.

Displacement (in³) (cc)

Stoke

13.53

2.500

221.76

63.5

15.04

2.532

246.51

64.31

17.17

2.532

281.42

64.31

17.17

2.532

281.42

64.31

19.43

2.532

318.46

64.31

.625

.626

66.675

66.700

2.750

2.751

69.85

69.88

2.9375

2.9385

74.613

74.638

2.9375

2.9385

74.613

74.638

3.125

3.126

79.374

79.400

Bore

008

012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

Valve Clearance

Valve Seat Width

042

052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

Valve Guide

Oversize Dim.

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

005

.127

.686

.005

.027

Note (A)

.127

.686

.005

.027

.127

.686

.007

.029

.178

.737

.007

.029

.178

.737

Crankshaft End

Play

.027

Note (A)

Crankpin

Journal Dia.

1.0615

1.0620

26.962

26.975

1.1862

1.1865

30.129

30.137

1.1860

1.1865

30.124

30.137

1.3740

1.3745

34.900

34.912

1.3740

1.3745

34.900

34.912

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

1.3745

1.3750

34.912

34.925

1.3745

1.3750

34.912

34.925

Crankshaft P.T.O.

Main Brg. Dia.

.9985

.9990

25.362

25.375

.9985

.9990

25.362

25.375

1.1870

1.1875

30.150

30.163

1.3745

1.3750

34.912

34.925

1.3745

1.3750

34.912

34.925

Camshaft

Bearing

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.0630

.0635

27.000

27.013

1.0630

1.0635

27.000

27.013

1.1880

1.1885

30.175

30.188

1.3760

1.3765

Note (F)

34.950

34.963

1.3760

1.3765

Note (F)

34.950

34.963

Conn. Rod Dia.

Crank Brg.

.6212

.6220

66.578

66.599

2.6212

2.6220

Note (E)

66.578

66.599

2.9325

2.9335

74.486

74.511

2.9325

2.9335

74.486

74.511

3.1195

3.1205

79.235

79.261

Piston Diameter

Bottom Of Skirt

Note (D)

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.002

.005

.051

.127

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

001

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.004

0030

0048

Note (B)

.076

.122

.0030

.0048

Note (C)

.076

.122

.004

.006

.102

.152

.004

.006

.102

.152

.0045

.0065

.114

.165

Piston Skirt

Clearance

010

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

Ring End Gap

.020

Cylinder Main

Brg.

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.3765

1.3770

34.963

34.976

1.3765

1.3770

34.963

34.976

Cylinder

Cover/Flange

Main Bearing

Diameter

1.0005

1.0010

25.413

25.425

1.0005

1.0010

25.413

25.425

1.1890

1.1895

30.200

30.213

1.3765

1.3770

34.963

34.976

1.3765

1.3770

34.963

34.976

Check to detemine bore size

Notes: (A) VH, HH50-70 models .003/.031 (.762/.787 mm) (B) VH, HH50-60 .0015/.005 (.038/.140 mm) (C) VH, HH70 .0038/.0073 (.097/.185

mm) (D) VH, HH50-60 2.6235/2.6205 (66.637/66.561 mm) (E) VH, HH70 2.7462/2.7437 (69.754/69.69 mm) (F) After Serial Number 9274

1.3775/1.3780 (34.989/35.001 mm) (G) TVM 220 Ultra Balance .002/.042 (.153/2.184 mm)

** Check to determine crankshaft bearing diameters

100

SOLID STATE AND EXTERNAL IGNITION (Cont.)

All solid state models have air gap settings of .0125" (.3175 mm), spark plug gap of .030" (.762 mm), valve seat angle of 46 .

All dimensions are in inches.

HMSK80

VM80*, TVM195

(A-K), HM80**

HM80**, HM90,

HMSK90, TVM195

(L & up), TVXL195

HMSK100, HMSK110

TVM220 (G & up),

TVXL220, HM100**

TVM220 (A-F),

HM100**

SPECIFICATIONS

Metric

U.S.

19.43

2.532

U.S.

21.82

2.532

U.S.

Displacement (in³) (cc)

Stoke

318.46

19.43

2.532

318.46

64.31

357.63

21.82

2.532

357.63

64.31

.125

.126

79.375

79.400

3.125

3.126

79.375

79.400

3.312

3.313

84.125

84.150

3.312

3.313

84.125

84.150

Bore

008

012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

.008

.012

.203

.305

Valve Clearance

Valve Seat Width

042

052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

.042

.052

1.067

1.321

Valve Guide

Oversize Dim.

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

.3432

.3442

8.717

8.743

007

.178

.737

.007

.029

.178

.737

.007

.029

.178

.737

.007

.029

Note (G)

.178

.737

Crankshaft End

Play

.029

Crankpin

Journal Dia.

1.1860

1.1865

30.124

30.137

1.3740

1.3745

34.900

34.912

1.1860

1.1865

30.124

30.137

1.3740

1.3745

34.900

34.912

Crankshaft Mag.

Main Brg. Dia.

.9985

.9990

25.362

25.375

1.3745

1.3750

34.912

34.925

.9985

.9990

25.362

25.375

1.3745

1.3750

34.912

34.925

Crankshaft P.T.O.

Main Brg. Dia.

1.1870

1.1875

30.150

30.163

1.3745

1.3750

34.912

34.925

1.1870

1.1875

30.150

30.163

1.3745

1.3750

34.912

34.925

Camshaft

Bearing

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.6230

.6235

15.824

15.837

.1880

.1885

30.175

30.188

1.3760

1.3765

Note (F)

34.950

34.963

1.1880

1.1885

30.175

30.188

1.3760

1.3765

Note (F)

34.950

34.963

Conn. Rod Dia.

Crank Brg.

.1195

.1205

79.235

79.261

3.1195

3.1205

79.235

79.261

3.3090

3.3105

84.049

84.087

3.3098

3.3108

84.069

84.094

Piston Diameter

Bottom Of Skirt

Ring Groove

Side Clearance

002

.051

.127

.002

.005

.051

.127

.0015

.0035

.038

.039

.0015

.0035

.038

.039

.005

st & 2nd Comp.

Ring Groove

Side Clearance

Bottom Oil

001

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.001

.004

.025

.102

.004

0045

0065

.144

.165

.0045

.0065

.144

.165

.0015

.0040

.038

.102

.0012

.0032

.030

.081

Piston Skirt

Clearance

010

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

.010

.020

.254

.508

Ring End Gap

.020

Cylinder Main

Brg.

1.0005

1.0010

25.413

25.425

1.3765

1.3770

34.963

34.976

1.0005

1.0010

25.413

25.425

1.3765

1.3770

34.963

34.976

Cylinder

Cover/Flange

Main Bearing

Diameter

1.1890

1.1895

30.200

30.213

1.3765

1.3770

34.963

34.976

1.1890

1.1895

30.200

30.213

1.3765

1.3770

34.963

34.976

Check to detemine bore size

Notes: (A) VH, HH50-70 models .003/.031 (.762/.787 mm) (B) VH, HH50-60 .0015/.005 (.038/.140 mm) (C) VH, HH70 .0038/.0073 (.097/.185

mm) (D) VH, HH50-60 2.6235/2.6205 (66.637/66.561 mm) (E) VH, HH70 2.7462/2.7437 (69.754/69.69 mm) (F) After Serial Number 9274

1.3775/1.3780 (34.989/35.001 mm) (G) TVM 220 Ultra Balance .002/.042 (.153/2.184 mm)

** Check to determine crankshaft bearing diameters

101

CHAPTER 11

EDUCATIONAL MATERIALS AND TOOLS

AVAILABLE TECHNICIAN'S HANDBOOKS

92508

Covers the diagnosis and repair of Tecumseh 2-cycle

engines. Except the TC Engine and TVS840.

695185

Electrical Troubleshooting. This video training program

will assist the small engine technician in the proper

procedures for troubleshooting electrical systems on

outdoor power equipment.

92509

Covers the diagnosis and repair of the Tecumseh 4-cycle

light/medium frame engines.

695285

An in-depth look at the 800 series transaxles. Detailing

the teardown and reassembly procedures for the 800,

801 and 820 transaxles.

91462A

Covers the diagnosis and repair of Tecumseh 4-cycle

large frame engines.

91218

SPECIAL BOOKLETS

Covers the diagnosis and repair of Peerless power train

components.

INSTRUCTIONAL GUIDE

94782

692738

Contains technical information for the repair of the TC

series, 2-cycle engines.

Assists in the use and understanding of the Tecumseh

Master Parts Manual. Illustrates time saving features

incorporated into the manual. Explains new carburetor

parts breakdown format.

94988

Contains diagnosis and technical information for the repair

of TVS840, HSK/HXL845/850, 2-cycle engines.

95244A

4-CYCLE ENGINE FAILURE ANALYSIS

695590

This booklet is designed as a tool for the average

technician to correctly assess the cause of failure.

Covers the diagnosis and repair of the OVRM/OVM/OHM/

OHV 4-cycle overhead valve engines.

95578

Covers the diagnosis and repair of the Vector Series,

-cycle engines.

CARBURETOR TROUBLESHOOTING BOOKLET

95907

AVAILABLE FOREIGN TECHNICIAN'S HANDBOOKS

94732 Spanis h

This booklet is designed as a quick reference to

carburetion problems and related repair procedures.

This manual covers the following models:

VH80, VH100, HH80, HH100, HH120, OH120-180

Model numbers are located on the engine shroud.

IGNITION SYSTEMS TROUBLESHOOTING BOOKLET

694903

This booklet contains information on the identification,

possible problems and related repair procedures of

Tecumseh Ignition Systems.

95555 Spanis h

Covers the diagnosis and repair of the Tecumseh 4-cycle

light/medium frame engines.

95657 German

SPECIAL TOOLS BOOKLET

Covers the diagnosis and repair of the Tecumseh 4-cycle

light/medium frame engines.

694862

This booklet depicts all specialty tools offered by

Tecumseh which can be used on 2 and 4 cycle engines

and Peerless units.

95562 French

Covers the diagnosis and repair of the Tecumseh 4-cycle

light/medium frame engines.

QUICK REFERENCE CHART BOOKLET

695933

This booklet contains the quick reference information

VIDEO PROGRAMS

95015

Carburetor Troubleshooting. Covers identification of

carburetors used on Tecumseh engines and how to

troubleshoot and repair them. VHS only.

found on Tecumseh wall charts.

This booklet is designed to be used as a work bench

quick reference guide when servicing Tecumseh engines

and motion drive systems.

95059

Understanding Tecumseh Ignition Systems. A basic

program designed to give the small engine technician

first hand knowledge of Tecumseh ignition systems so

the technician can understand the system and perform

repairs to it. VHS only.

TESTER BOOKLETS

694529

Test procedures for Tecumseh electrical components

using Graham-Lee Tester 31-SM or 31-SMX-H.

694530

95148

Teardown and reassembly of the 900 series transaxles.

This video will show a complete step-by-step procedure

for teardown and reassembly of the 900, 910 and 920

series transaxles.

Test procedures for Tecumseh electrical components

using Merco-O-Tronic Tester 9800. (Tests are similar for

98, 98A and 79.)

OIL SEAL DRIVER

FLYWHEEL KNOCK-OFF TOOL

No. 670272 - Oil Seal Driver. Used with all oil seal

protector-drivers to drive the seal into position.

No. 670103 - Knock-off tool (right hand) (7/16").

No. 670169 - Knock-off tool (right hand) (1/2").

No. 670314 - Knock-off tool (right hand) (5/8").

No. 670329 - Knock-off tool (right hand) (3/4").

OIL SEAL PROTECTOR / INSTALLER

Consult the specification chart or measure the shaft

diameter to determine the correct tool.

70260 - Seal Protector

PTO & Magneto w/dia. of 1.187”-1.875”

HH80-120, VH80-120, OH120-180, VM70-100, HM70-

70261 - Seal Protector

PTO & Magneto w/dia. of .811”-.815”

External ignition lightweight engines

70262 - Seal Protector

OIL SEAL REMOVER

PTO & Magneto w/dia. of .749”-.750”

Standard ignition lightweight engines

670308 - Seal Adaptor

PTO & Magneto on HM70-100, TVM170-220, OVM120,

TVXL195-220, HMSK100, w/shaft dia. of 1.3745"-

.3750"

70309 - Seal Protector

Consult the specification chart or measure the

shaft diameter to determine the correct tool.

PTO & Magneto on HM70-100, TVM170-220, OVM120,

TVXL195-220, HMSK100, w/shaft dia. of 1.3745"-

.3750"

NOTE: Due to variations in oil seal dimensions, these

removers may not pull all oil seals.

70310 - Seal Protector / Installer

PTO & Magneto on HM70-100, TVM170-220, OVM120,

TVXL195-220, HMSK100, w/shaft dia. of 1.3745"-

USE WITH:

.3750"

No. 670287. 7/8" Crankshaft bearing diameters

No. 670288. 3/4" Crankshaft bearing diameters

No. 670289. 13/16" Crankshaft bearing diameters

No. 670290. 1" Crankshaft bearing diameters

No. 670312. 1-3/8" Crankshaft bearing diameters

No. 670331. 1-1/2" Crankshaft bearing diameters

70263 - Seal Protector Driver

Oil seal on extended camshaft medium frame engines

w/dia. of .6248”-.6253”

Extended 5/8" camshaft medium frame engines

70264 - Seal Protector Driver

Oil seal on 1/2" extended camshaft small frame engines

w/dia. of .4998”-.5001”

70272 - Seal Driver

Used with all oil seal installers

70277 - Seal Protector

Oil seal on 8-1/2:1 1/2” shaft on light weight vertical

crankshaft engines

70292 - Seal Protector and Installer Assy.

Includes 670265, 670266, & 670267

VIBRATION TACHOMETER

(

I.D. 1.002", 1.052" and 1.050") for V70, VM70-100, H70,

HM70-100, V50-70, H50-70, HS40-50, LAV40-50,

TVS105-120, TNT120

70293 - Seal Protector and Installer Assy.

Includes 670268 & 670269

I.D. .875" and .935") H30-35, LAV30-35, TNT100,

TVS75-90, ECV90-100

70294 - Seal Protector and Installer Assy.

Includes 670273 & 670274

I.D. .680" and 1.005") AH520 & AH600 with one piece

oil seal

70330 - Seal Protector / Installer

OHV13.5-17 w/ 1-1/2” extended camshaft

70335 - Seal Protector / Installer

HM70-100 PTO & Magneto w/dia. of 1.1870”-1.1875”

70336 - Seal Installer - Adpator

HM70-100 w/ 1-1/8” crankshaft

70337 - Seal Installer for Ball Bearing PTO

(

No. 670156 Vibration tachometer.

(

TAPER GAP GAUGE

OHH engines, use w/ tool 670265

Use tool 670266

No. 670256 Taper Gap Gauge

1/32" (.794 mm) OVERSIZE VALVE GUIDE REAMER

VALVE LAPPING TOOL

No. 670154 Valve lapping tool.

REBUSHING DRIVERS

No. 670283. Used on small frame 4 cycle engines on

Intake and Exhaust valve guides. Oversize diameter

2807

2817

No. 670284. Used on medium and large frame 4 cycle

engines on Intake and Exhaust. Oversize diameter

3432

3442

Tool

Number

Description

Use with:

A. 670158 Bearing Driver 7/8'’ (22.225 mm)

Main Bearings where bushings are

available.

B. 670159 Bushing Driver

OVRM and OHV11-17 ADJUSTMENT TOOL

A. 670162 Bearing Driver 1'’ (25.4 mm) Main

Bearings where bushings are available

B. 670163 Bushing Driver

A. NONE

B. 670311 Bushing Driver 1-3/8'’ (41.275 mm)

HM70 100, TVM170 220 and OVM120.

70317 Bushing Driver 1-3/16'’ (20.6375

mm) HM70, HM80 and HM100 Cylinder

cover

No. 670326

FLYWHEEL PULLER

No. 670298 Alignment Tool.

No. 670306

DECIMAL/FRACTION CONVERSIONS

016 = 1/64

031 = 1/32

047 = 3/64

063 = 1/16

078 = 5/64

094 = 3/32

109 = 7/64

125 = 1/8

141 = 9/64

156 = 5/32

172 = 11/64

188 = 3/16

203 = 13/64

219 = 7/32

234 = 15/64

.516 = 33/64

.531 = 17/32

.547 = 35/64

.563 = 9/16

.578 = 37/64

.594 = 19/32

.609 = 39/64

.625 = 5/8

.641 = 41/64

.656 = 21/32

.672 = 43/64

.688 = 11/16

.703 = 45/64

.719 = 23/32

.734 = 47/64

= 1/4

.75

= 3/4

266 = 17/64

281 = 9/32

297 = 19/64

312 = 5/16

328 = 21/64

344 = 11/32

359 = 23/64

375 = 3/8

391 = 25/64

406 = 13/32

422 = 27/64

438 = 7/16

453 = 29/64

469 = 15/32

484 = 31/64

.766 = 49/64

.781 = 25/32

.797 = 51/64

.813 = 13/16

.828 = 53/64

.844 = 27/32

.859 = 55/64

.875 = 7/8

.891 = 57/64

.906 = 29/32

.922 = 59/64

.938 = 15/16

.953 = 61/64

.969 = 31/32

.984 = 63/64

= 1/2

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.214322 ECV100-145023A

43.214332 LAV35-40644J

43.214352 ECV100-145026A

43.216012 V70-125141

143.224362 ECV100-145033A

143.224372 LAV35-40689K

143.224382 LAV35-40063K

143.224392 LAV35-40139K

143.224402 LAV35-40699K

143.224412 LAV35-40649K

143.224422 LAV35-40058K

143.224432 ECV100-145034A

143.225012 ECV120-152001

143.225022 ECV120-152002

143.225032 V50-60153H

143.225042 V50-60147H

143.225052 V50-60208H

143.225062 ECV120-152003

143.225072 ECV120-152004

143.225082 V50-60212H

143.225092 V50-60029H

143.225102 V50-60030H

143.226012 V60-70212H

143.226022 V70-125083A

143.226032 V60-70223H

143.226042 V60-70222H

143.226052 V60-70116H

143.226062 V70-125082A

143.226072 V70-125163

143.226082 V70-125164

143.226092 VM80-150009

143.226102 VM80-150010

143.226112 VM80-150011

143.226122 VM80-150012

143.226132 V60-70209H

143.226142 V70-125120A

143.226152 V60-70118H

143.226162 V60-70200H

143.226182 V60-70117H

143.226192 VM80-150008

143.226202 V70-125161

143.226212 V70-125162

143.226222 V60-70062H

143.226232 V60-70228H

143.226242 V60-70231H

143.226262 V60-70234H

143.226272 V70-125170

143.226282 V70-125174

143.226292 VM80-150016

143.226302 V70-125176

143.226312 VM80-150017

143.226322 V60-70235H

143.226332 V60-70239H

143.226342 V70-125178

143.226352 VM80-150025

143.227012 ECV110-151001

143.227022 ECV110-151002

143.227062 ECV110-151003

143.227072 ECV110-151004

143.233012 LAV30-30502K

143.233032 LAV30-30504K

143.233042 LAV30-30510K

143.234022 LAV35-40718K

143.234032 LAV35-40719K

143.234042 LAV35-40720K

143.234052 LAV35-40721K

143.234062 ECV100-145035A

143.234072 ECV100-145036A

143.234082 ECV100-145037A

143.234092 ECV100-145038A

143.234102 LAV35-40728K

143.234112 LAV35-40735K

143.234122 LAV35-40736K

143.234132 LAV35-40737K

143.234142 LAV35-40738K

143.234162 LAV35-40741K

143.234182 ECV100-145045A

143.234192 LAV35-40750K

143.234202 LAV35-40751K

143.234212 ECV100-145039A

143.234222 ECV100-145040A

143.234232 ECV100-145041A

143.234242 LAV35-40756K

143.234252 LAV35-40611K

143.234262 LAV35-40772K

143.235012 ECV120-152005

143.235022 ECV120-152006

143.235032 LAV50-62002

143.235042 ECV120-152007

143.235052 ECV120-152008

143.235062 V50-60217H

143.235072 LAV50-62010

143.236012 V60-70244H

143.236022 VM80-150028

143.236032 VM80-150029

143.236052 V60-70253H

143.236062 VM80-150038

143.236072 VM80-150039

143.236082 V60-70257H

143.236092 V70-125184

43.201032 LAV30-30462H

43.201042 LAV30-30467H

43.203012 LAV30-30460H

43.204022 ECV100-145008A

43.204032 LAV35-40541H

43.204042 LAV35-40531H

43.204052 LAV35-40544H

43.204062 ECV100-145005A

43.204072 LAV35-40532H

43.204082 LAV35-40545H

43.204092 LAV35-40168H

43.204102 ECV100-145004A

43.204132 ECV100-145010A

43.204162 LAV35-40559H

43.204172 LAV35-40568H

43.204182 LAV35-40571H

43.204202 ECV100-145013A

43.206012 V60-70209G

43.216022 V70-125142

43.216042 V60-70209G

43.216052 V60-70062G

43.216062 V60-70212G

43.216092 V70-125150

43.216122 V60-70188G

43.216132 VM80-150001

43.216142 V60-70222G

43.216152 VM80-150002

43.216162 VM80-150003

43.216172 VM80-150004

43.216182 V60-70223G

43.217012 ECV105-147012

43.217022 ECV105-147013

43.217032 ECV105-147014

43.217042 LAV40-50254C

43.217062 LAV40-50207C

43.217072 LAV40-50201C

43.217092 ECV105-147015

43.217102 LAV40-50217C

43.223012 LAV30-30488K

43.223022 LAV30-30287K

43.223032 LAV30-30489K

43.223042 LAV30-30105K

43.223052 LAV30-30496K

43.224012 LAV35-40650K

43.224022 LAV35-40651K

43.224032 ECV100-145024A

43.224062 LAV35-40654K

43.224092 LAV35-40657K

43.224112 LAV35-40559K

43.224122 LAV35-40626K

43.224132 LAV35-40591K

43.224142 LAV30-30460K

43.224162 LAV35-40355K

43.224182 LAV35-40662K

43.224192 LAV35-40541K

43.224222 LAV35-40675K

43.224232 ECV100-145028A

43.224242 ECV100-145029A

43.224252 LAV35-40599K

43.224262 LAV35-40676K

43.224272 LAV35-40677K

43.224282 LAV35-40678K

43.224292 ECV100-145030A

43.224302 ECV100-145031A

43.224312 LAV35-40463K

43.224322 LAV35-40442K

43.224332 LAV35-40687K

43.224342 LAV35-40688K

43.224352 ECV100-145032A

43.206022 V70-125120

43.206032 V60-70212G

43.207012 LAV40-50254B

43.207022 LAV40-50205B

43.207032 LAV40-50207B

43.207042 LAV40-50254B

43.207052 LAV40-50201B

43.207062 ECV105-147008

43.207072 LAV40-50270B

43.207082 ECV105-147009

43.213012 LAV30-30468H

43.213022 LAV30-30287J

43.214012 LAV35-40589J

43.214022 LAV35-40590J

43.214032 LAV35-40591H

43.214042 ECV100-145015A

43.214052 ECV100-145016A

43.214062 ECV100-145017A

43.214072 ECV100-145018A

43.214082 LAV35-40559J

43.214092 LAV35-40355J

43.214102 LAV35-40254J

43.214112 LAV35-40541J

43.214122 LAV35-40442J

43.214132 LAV35-40463J

43.214192 LAV35-40383J

43.214212 LAV35-40599J

43.214222 LAV35-40598J

43.214232 LAV35-40597J

43.214242 LAV35-40319J

43.214252 LAV35-40611J

43.214262 ECV100-145019A

43.214272 ECV100-145021A

43.214282 ECV100-145020A

43.214292 LAV35-40618J

43.214302 LAV35-40626J

43.214312 ECV100-145022A

143.236102 V60-70260H

143.236112 V60-70261H

143.236122 V70-125185

143.236132 V60-70259H

143.236142 VM80-150047

143.236152 V60-70266H

143.236162 V70-125174A

143.236172 V70-125176A

143.236222 VM80-150028

143.237012 ECV110-151005

143.237022 ECV110-151006

143.237032 ECV105-147016

143.237042 LAV40-50336C

143.243012 LAV30-30523K

UPDATED VERSION OF SEARS CRAFTSMAN CROSS REFERENCE - FEBRUARY 1999

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.243022 LAV30-30524K

43.243042 LAV30-30527K

43.243052 LAV30-30282K

43.243062 LAV30-30533K

43.243072 LAV30-30534K

43.243082 LAV30-30535K

43.244012 LAV35-40773K

43.244022 LAV35-40775K

43.244032 LAV35-40774K

43.244042 ECV100-145046A

43.244052 ECV100-145047A

43.244062 ECV100-145048A

43.244072 LAV35-40777K

43.244082 LAV35-40789K

43.244092 LAV35-40661K

43.244102 LAV35-40791K

43.244112 LAV35-40792K

43.244122 ECV100-145049A

43.244132 ECV100-145050A

43.244142 ECV100-145051A

43.244202 LAV35-40796K

43.244212 ECV100-145057A

43.244222 LAV35-40797K

43.244232 LAV35-40798K

43.244242 ECV100-145058A

43.244252 ECV100-145059A

43.244262 LAV35-40799K

43.244272 LAV35-40801K

43.244282 LAV35-40802K

43.244292 ECV100-145060A

43.244302 ECV100-145054A

43.244312 ECV100-145053A

43.244322 ECV100-145052A

43.244332 ECV100-145061A

43.245012 LAV50-62012

43.245042 V50-60220H

143.245182 LAV50-62024

143.245192 ECV120-152022

143.246012 V60-70268H

143.246022 VM80-150052A

143.246032 VM80-150053A

143.246042 V60-70272H

143.246052 V70-125187A

143.246062 V70-125188A

143.246072 V70-125189A

143.246082 VM80-150054A

143.246092 VM80-150028A

143.246102 V70-125083A

143.246112 V70-125164A

143.246122 VM80-150038A

143.246132 V70-125120A

143.246142 V70-125162A

143.246152 VM80-150058A

143.246162 VM80-150039A

143.246172 VM80-150065A

143.246182 VM80-150063A

143.246192 VM80-150064A

143.246202 VM80-150062A

143.246212 VM80-150029A

143.246222 V70-125178A

143.246232 VM80-150059A

143.246242 V70-125163A

143.246252 VM80-150016A

143.246262 V70-125197A

143.246272 VM80-150069A

143.246282 VM80-150066A

143.246292 VM80-150067A

143.246302 V70-125184A

143.246312 V70-125200A

143.246322 VM80-150070A

143.246332 VM80-150071A

143.246342 V70-125201A

143.246352 V60-70281H

143.246362 VM100-157001

143.246372 VM80-150075A

143.246382 VM100-157002

143.246392 V60-70284H

143.249012 VH100-149018

143.249022 VH100-149020

143.254012 LAV35-40810K

143.254022 LAV35-40818K

143.254032 LAV35-40819K

143.254042 LAV35-40820K

143.254052 LAV35-40821K

143.254062 ECV100-145069A

143.254072 LAV35-40811K

143.254082 LAV35-40812K

143.254092 LAV35-40813K

143.254102 LAV35-40814K

143.254112 LAV35-40815K

143.254122 LAV35-40816K

143.254142 ECV100-145062A

143.254152 ECV100-145063A

143.254162 ECV100-145064A

143.254172 ECV100-145065A

143.254182 ECV100-145066A

143.254192 ECV100-145067A

143.254202 ECV100-145068A

143.254212 LAV35-40829K

143.254222 LAV35-40839K

143.254232 ECV100-145070A

143.254242 ECV100-145071A

143.254252 ECV100-145072A

143.254262 ECV100-145073A

143.254272 ECV100-145074A

143.254282 ECV100-145075A

143.254292 ECV100-145076A

143.254302 LAV35-40846K

143.254312 LAV35-40847K

143.254322 ECV100-145077A

143.254332 LAV35-40857K

143.254342 ECV100-145078A

143.254352 ECV100-145079A

143.254362 LAV35-40858K

143.254372 ECV100-145080A

143.254382 ECV100-145081A

143.254392 LAV35-40859K

143.254402 ECV100-145084A

143.254412 ECV100-145083A

143.254422 ECV100-145082A

143.254432 LAV35-40872K

143.254442 ECV100-145085A

143.254452 LAV35-40875K

143.254462 ECV100-145086A

143.254472 LAV35-40877K

143.254482 LAV35-40879K

143.254492 ECV100-145087A

143.254502 LAV35-40881K

143.254512 LAV35-40882K

143.254522 LAV35-40883K

143.254532 LAV35-40884K

143.255012 LAV50-62027

143.255102 LAV50-62029A

143.255112 LAV50-62039A

143.256012 VM80-150076A

143.256022 V60-70291H

143.256032 V70-125202A

143.256042 VM80-150080A

143.256052 V60-70301H

143.256062 VM80-150083A

143.256072 VM80-150017A

143.256082 V60-70303H

143.256092 V60-70304H

143.256102 V70-125185A

143.256112 VM80-150047A

143.256122 V60-70314H

143.256132 V70-125206A

143.257012 LAV40-50358D

143.257022 LAV40-50358C

143.257032 LAV40-50366D

143.257042 LAV40-50201D

143.257052 LAV40-50369D

143.257062 LAV40-50369E

143.257072 LAV40-50366E

143.259012 VH100-149018A

143.259022 VH100-149020A

143.264012 LAV35-40888K

143.264022 LAV35-40889K

143.264022 LAV35-40898K

143.264032 LAV35-40890K

143.264042 LAV35-40891K

143.264052 ECV100-145088A

143.264062 ECV100-145089A

143.264072 ECV100-145090A

143.264082 ECV100-145091A

143.264092 LAV35-40893K

143.264102 ECV100-145092A

143.264232 LAV35-40896K

143.264242 LAV35-40897K

143.264252 LAV35-40898K

143.264262 LAV35-40899K

143.264272 LAV35-40900K

143.264282 LAV35-40902K

143.264292 LAV35-40906K

143.264302 LAV35-40905K

143.264312 LAV35-40911K

143.264322 LAV35-40912K

143.264332 LAV35-40913K

143.264342 LAV35-40914K

143.264352 ECV100-145093A

143.264362 ECV100-145094A

143.264372 ECV100-145095A

143.264382 LAV35-40916K

143.264392 ECV100-145096A

143.264402 ECV100-145097A

143.264412 ECV100-145098A

143.264422 LAV35-40917K

43.245052 ECV120-152019

43.245062 ECV120-152020

43.245072 ECV120-152015

43.245082 ECV120-152016

43.245092 LAV50-62015

43.245102 ECV120-152013

43.245112 ECV120-152014

43.245122 ECV120-152017

43.245132 ECV120-152018

43.245142 LAV50-62018

43.245152 LAV50-62019

43.245162 ECV120-152021

43.245172 LAV50-62023

143.255022 LAV50-62029

143.255042 LAV50-62037

143.255052 LAV50-62039A

143.255062 LAV50-62043

143.255072 LAV50-62043A

143.255082 LAV50-62015A

143.255092 LAV50-62037A

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.264432 ECV100-145099A

43.264452 ECV100-145101A

43.264462 ECV100-145102A

43.264472 LAV35-40922K

43.264482 ECV100-145103A

43.264492 LAV35-40923K

43.264502 LAV35-40924K

43.264512 ECV100-145104A

43.264522 LAV35-40927K

43.264542 LAV35-40930K

43.264562 ECV100-145106A

43.264572 ECV100-145107A

43.264582 ECV100-145108A

43.264592 ECV100-145109A

43.264602 ECV100-145110A

43.264612 ECV100-145111A

43.264622 ECV100-145112A

43.264632 ECV100-145113A

43.264642 ECV100-145114A

43.264652 ECV100-145115A

43.264662 LAV35-40926K

43.264672 ECV100-145116A

43.264682 LAV35-40933K

43.265012 LAV50-62015A

43.265032 LAV50-62047A

43.265042 LAV50-62030A

43.265052 LAV50-62049A

43.265062 LAV50-62039B

43.265072 LAV50-62047B

43.265082 LAV50-62015B

43.265092 LAV50-62029B

43.265112 LAV50-62037B

43.265122 LAV50-62043B

43.265132 LAV50-62050B

43.265142 LAV50-62051B

43.265152 LAV50-62052B

43.265162 LAV50-62053B

43.265172 LAV50-62024B

43.265192 LAV50-62049B

43.266012 VM80-150029C

43.266022 VM80-150076C

43.266032 V60-70259J

143.266182 VM80-150062C

143.266202 VM80-150058C

143.266212 VM80-150064C

143.266222 VM80-150016C

143.266232 VM80-150065C

143.266242 VM80-150017C

143.266252 V60-70234J

143.274202 ECV100-145117A

143.274212 ECV100-145117B

143.274222 ECV100-145118A

143.274232 ECV100-145118B

143.274242 ECV100-145098B

143.274252 LAV35-40751L

143.274262 ECV100-145109B

143.274272 LAV35-40948L

143.274282 LAV35-40949L

143.274292 LAV35-40950L

143.274302 LAV35-40951L

143.274312 LAV35-40952L

143.274322 LAV35-40953L

143.274332 LAV35-40954L

143.274342 ECV100-145119B

143.274352 LAV35-40955L

143.274362 ECV100-145120B

143.274372 LAV35-40956L

143.274382 ECV100-145121B

143.274392 ECV100-145122B

143.274402 ECV100-145123B

143.274412 ECV100-145124B

143.274422 ECV100-145087B

143.274432 ECV100-145095B

143.274442 ECV100-145106B

143.274452 ECV100-145111B

143.274462 ECV100-145116B

143.274472 LAV35-40957L

143.274482 ECV100-145114B

143.274492 LAV35-40858L

143.274502 ECV100-145125B

143.274512 ECV100-145126B

143.274522 ECV100-145127B

143.274542 ECV100-145075B

143.274552 LAV35-40961L

143.274562 ECV100-145129B

143.274572 ECV100-145130B

143.274582 ECV100-145131B

143.274592 LAV35-40962L

143.274602 ECV100-145110B

143.274612 ECV100-145115B

143.274622 ECV100-145108B

143.274632 ECV100-145113B

143.274642 LAV35-40626L

143.274652 ECV100-145132B

143.274662 LAV35-40967L

143.274672 ECV100-145133B

143.274682 LAV35-40882L

143.274692 ECV100-145062B

143.274702 LAV35-40926L

143.274712 ECV100-145134B

143.274722 ECV100-145135B

143.274732 ECV100-145136B

143.274742 ECV100-145137B

143.274752 ECV100-145138B

143.274762 ECV100-145139B

143.274772 LAV35-40924L

143.274782 ECV100-145107B

143.274792 LAV35-40774L

143.275012 LAV50-62059B

143.275022 LAV50-62060B

143.275042 LAV50-62018B

143.275052 LAV50-62063B

143.275062 LAV50-62065B

143.275072 LAV50-62019B

143.275082 LAV50-62066B

143.276012 VM80-150058D

143.276022 VM100-157009A

143.276032 VM80-150016D

143.276042 VM80-150067D

143.276052 VM100-157002A

143.276062 VM80-150102D

143.276072 VM80-150103D

143.276082 VM80-150104D

143.276092 V70-125220C

143.276102 V70-125221C

143.276112 V70-125222C

143.276122 VM80-150106D

143.276132 VM100-157010A

143.276142 VM80-150017D

143.276152 VM80-150069D

143.276162 VM80-150098D

143.276172 V70-125224C

143.276182 V60-70223J

143.266262 VM80-150083C

143.266272 V70-125202C

143.266282 V70-125206C

143.266302 V70-125210C

143.266312 VM80-150096C

143.266322 VM80-150097C

143.266332 V70-125211C

143.266342 VM80-150098C

143.266352 V70-125213C

143.266362 VM80-150066C

143.266372 V60-70284J

143.266382 V60-70281J

143.266392 V60-70303J

143.266402 V60-70304J

143.266412 V60-70231J

143.266422 VM80-150063C

143.266432 V60-70327J

143.266442 V60-70118J

143.266452 V60-70117J

143.266462 VM100-157007

143.266472 VM100-157008A

143.266482 VM80-150100D

143.266492 VM100-157009

143.267012 LAV40-50368E

143.267022 LAV40-50368F

143.267032 LAV40-50366F

143.267042 LAV40-50369F

143.269012 VH100-149026A

143.269022 VH100-149027A

143.269032 VH100-149028B

143.274012 ECV100-145092B

143.274022 ECV100-145112B

143.274032 ECV100-145096B

143.274042 ECV100-145093B

143.274052 ECV100-145094B

143.274062 ECV100-145097B

143.274072 ECV100-145058B

143.274092 LAV35-40938L

143.274102 LAV35-40939L

143.274112 LAV35-40940L

143.274122 LAV35-40941L

143.274132 LAV35-40942L

143.274142 ECV100-145086B

143.274152 ECV100-145092B

143.274162 LAV35-40899L

143.274172 LAV35-40943L

143.274182 LAV35-40944L

143.274192 ECV100-145090B

143.276192 V70-125225C

143.276202 V60-70333J

143.276212 V70-125226C

143.276222 V70-125227C

143.276232 VM80-150107D

143.276242 VM80-150080D

143.276252 V60-70339J

43.266032 V60-70259J

143.276262 VM80-150110D

143.276272 VM80-150066D

143.276282 V70-125232C

143.276292 VM80-150039D

143.276302 VM80-150064D

143.276322 V70-125233C

143.276332 V70-125234C

143.276342 V70-125235C

143.276352 VM80-150114D

143.276362 VM100-157013A

143.276372 V70-125236C

143.276382 V70-125237C

143.276392 V70-125238C

43.266042 V70-125162C

43.266052 V70-125176C

43.266062 V60-70200J

43.266082 V60-70301J

43.266092 V70-125197C

43.266102 V70-125185C

43.266112 V70-125201C

43.266122 V70-125083C

43.266132 V70-125174C

43.266142 VM80-150080C

43.266162 VM80-150039C

43.266172 VM80-150067C

iii

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.276402 VM100-157014A

43.276412 V60-70351J

143.284492 ECV100-145126C

143.284502 ECV100-145146D

143.284512 LAV35-40997M

143.284522 LAV35-40998M

143.284532 ECV100-145147C

143.284542 LAV35-40999M

143.284552 LAV35-41000M

143.284562 LAV35-41001M

143.284572 LAV35-41002M

143.284582 ECV100-145148C

143.284592 LAV35-41003M

143.284602 ECV100-145149C

143.284612 ECV100-145150C

143.284622 ECV100-145131C

143.284632 LAV35-41006M

143.284642 ECV100-145087C

143.284652 LAV35-40923M

143.284662 LAV35-40938M

143.284672 ECV100-145075C

143.284682 ECV100-145106C

143.284692 ECV100-145110C

143.284702 ECV100-145116C

143.284712 LAV35-40926M

143.284722 LAV35-40917M

143.284732 LAV35-40859M

143.284742 ECV100-145151C

143.284752 ECV100-145108C

143.284762 LAV35-40463M

143.284772 ECV100-145115C

143.284782 ECV100-145107C

143.285012 LAV50-62050C

143.285022 LAV50-62024C

143.285032 LAV50-62066C

143.285042 LAV50-62049C

143.285052 LAV50-62067C

143.285062 LAV50-62065C

143.285072 LAV50-62037C

143.285082 LAV50-62063C

143.285092 LAV50-62068C

143.285102 LAV50-62043C

143.286012 V50-60233J

143.286162 VM80-150116E

143.286172 VM80-150016E

143.286182 VM80-150121E

143.286192 VM100-157024A

143.286202 VM80-150122E

143.286212 VM100-157025A

143.286222 V70-125246C

143.286232 VM100-157026A

143.286242 VM100-157027A

143.286252 V70-125247C

143.286262 VM100-157028A

143.286272 VM100-157029A

143.286282 V70-125248C

143.286292 VM100-157030A

143.286312 VM80-150063E

143.286322 V70-125250C

143.286332 V70-125251C

143.286342 V60-70357J

143.294282 TVS90-43040A

143.294292 TVS90-43041A

143.294302 TVS90-43042A

143.294312 TVS90-43043A

143.294322 TVS90-43044A

143.294332 ECV100-145159D

143.294342 TVS90-43045A

143.294352 ECV100-145110D

143.294362 ECV100-145112D

143.294372 ECV100-145116D

143.294382 ECV100-145109D

143.294392 ECV100-145106D

143.294402 ECV100-145111D

143.294412 ECV100-145108D

143.294422 ECV100-145151D

143.294432 TVS90-43055A

143.294442 TVS90-43057A

143.294452 TVS90-43058A

143.294462 TVS90-43059A

143.294472 ECV100-145152D

143.294482 ECV100-145148D

143.294492 TVS90-43061A

143.294502 TVS90-43065A

143.294512 TVS90-43066A

143.294522 TVS90-43067A

143.294532 TVS90-43068A

143.294542 ECV100-145075D

143.294552 TVS105-53012A

143.294562 TVS105-53013A

143.294572 ECV100-145115D

143.294582 ECV100-145139D

143.294592 ECV100-145147D

143.294602 TVS90-43071A

143.294612 TVS90-43072A

143.294622 TVS105-53017A

143.294632 TVS105-53018A

143.294642 TVS105-53016A

143.294652 TVS90-43073A

143.294662 ECV100-145131D

143.294672 ECV100-145107D

143.294682 ECV100-145160D

143.294692 TVS90-43088A

143.294702 TVS105-53025A

143.294712 TVS90-43092A

143.294722 ECV100-145161D

143.294732 ECV100-145149D

143.294742 ECV100-145168D

143.295012 LAV50-62071C

143.295022 LAV50-62072C

143.295032 LAV50-62053C

143.295042 ECV120-152023A

43.276422 V70-125240C

43.276432 VM80-150062D

43.276442 VM80-150063D

43.276452 VM80-150065D

43.276462 VM80-150115D

43.276472 VM80-150116D

43.276482 VM100-157015A

43.277012 LAV40-50387D

43.277022 LAV40-50382D

43.279012 VH100-149020B

43.284012 LAV35-40969M

43.284022 LAV35-40970M

43.284032 LAV35-40971M

43.284042 ECV100-145140C

43.284052 LAV35-40972M

43.284062 LAV35-40973M

43.284072 ECV100-145141C

43.284082 LAV35-40974M

43.284092 LAV35-40975M

43.284102 ECV100-145142C

43.284112 LAV35-40977M

43.284142 LAV35-40980M

43.284152 LAV35-40981M

43.284162 LAV35-40982M

43.284182 LAV35-40986M

43.284212 ECV100-145143C

43.284222 LAV30-30538M

43.284232 TVS90-43001

43.284242 LAV35-40990M

43.284252 LAV35-40991M

43.284262 ECV100-145144C

43.284272 TVS90-43002

43.284282 LAV35-40992M

43.284292 LAV35-40993M

43.284302 LAV35-40994M

43.284312 LAV35-40882M

43.284322 LAV35-40858M

43.284332 ECV100-145058C

43.284342 ECV100-145093C

43.284352 ECV100-145109C

43.284362 ECV100-145111C

43.284372 ECV100-145085C

43.284382 ECV100-145112C

43.284392 LAV35-40751M

43.284402 LAV35-40995M

43.284412 LAV35-40996M

43.284422 LAV35-40962M

43.284432 ECV100-145135C

43.284442 LAV30-30539M

43.284452 ECV100-145139C

43.284462 ECV100-145145C

43.284472 ECV100-145134C

43.284482 LAV35-40961M

143.286352 VM80-150114E

143.286362 VM100-157018B

143.287012 LAV40-50389E

143.287022 LAV40-50391D

143.287032 LAV40-50392E

143.293012 TVS75-33002A

143.294012 TVS90-43020A

143.294022 TVS90-43021A

143.294032 TVS90-43022A

143.294042 TVS90-43023A

143.294052 TVS90-43024A

143.294062 TVS90-43025A

143.294072 TVS90-43026A

143.294092 TVS90-43028A

143.294102 TVS90-43029A

143.294112 TVS90-43030A

143.294122 TVS90-43031A

143.294132 TVS90-43032A

143.294142 ECV100-145155D

143.294152 ECV100-145156D

143.294162 ECV100-145157D

143.294172 ECV100-145158D

143.294182 TVS90-43033A

143.294192 TVS90-43017A

143.294202 TVS90-43018A

143.294212 TVS90-43019A

143.294222 ECV100-145058D

143.294232 ECV100-145085D

143.294242 TVS90-43036A

143.294252 TVS90-43037A

143.294262 TVS90-43038A

143.294272 TVS90-43039A

143.294282 TVS90-43040A

143.286022 V60-70352J

143.286032 V70-125241C

143.286042 VM100-157016A

143.286052 VM100-157018A

143.286062 V70-125243C

143.286072 VM80-150080E

143.286082 VM80-150098E

143.286092 VM80-150039E

143.286102 VM100-157019A

143.286112 VM80-150117E

143.286122 VM80-150118E

143.286132 V70-125245C

143.286142 VM80-150119E

143.286152 VM80-150115E

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.296012 VM80-150080F

43.296022 VM100-157028B

43.296032 VM80-150126F

43.296042 VM100-157034B

43.296052 VM80-150115F

43.296062 VM80-150116F

43.296072 VM100-157016B

43.296082 VM80-150017F

43.296092 VM80-150069F

43.296102 VM100-157014B

43.296112 VM100-157025B

43.296122 VM100-157026B

43.296132 VM100-157027B

43.296142 VM80-150122F

43.296152 VM80-150118F

43.296162 VM80-150064F

43.296172 VM80-150065F

43.296182 VM80-150039F

43.296192 VM80-150114F

43.296202 VM100-157035B

43.296212 VM100-157030B

43.296222 VM80-150121F

43.296232 VM100-157024B

43.296242 VM80-150016F

43.296252 VM80-150062F

43.296262 VM80-150071F

43.297012 TVS105-53006A

43.304012 TVS90-43094A

43.304032 ECV100-145163D

43.304042 ECV100-145164D

43.304052 TVS90-43095A

43.304072 ECV100-145166D

43.304092 TVS90-43096A

43.304102 ECV100-145169D

43.304112 ECV100-145170D

43.304122 ECV100-145171D

43.304132 ECV100-145174D

43.304142 ECV100-145172D

43.304152 ECV100-145173D

43.304162 ECV100-145175D

43.304172 ECV100-145176D

43.304182 ECV100-145177D

43.304192 ECV100-145178D

43.304202 TVS90-43107A

43.304212 TVS90-43108A

43.304222 TVS90-43109A

43.304232 TVS90-43110A

43.304242 TVS90-43111A

43.304252 TVS90-43112A

43.304262 TVS90-43113A

43.304272 TVS90-43115A

43.304282 ECV100-145179D

43.304292 ECV100-145180D

43.304302 TVS90-43116A

43.304312 ECV100-145180D

143.304322 ECV100-145182D

143.304332 ECV100-145183D

143.304342 TVS90-43121A

143.304352 ECV100-145137D

143.304362 LAV35-40906M

143.305012 ECV120-152024A

143.305022 ECV120-152025A

143.305032 ECV120-152026A

143.305042 LAV50-62073C

143.305052 ECV120-152027A

143.305062 LAV50-62074C

143.306012 VM80-150134F

143.306022 VM100-157042B

143.306032 VM100-157015B

143.306042 VM100-157047B

143.313012 TVS75-33010B

143.313022 TVS75-33012B

143.314012 ECV100-145184E

143.314022 ECV100-145185E

143.314032 TVS90-43020B

143.314042 TVS90-43022B

143.314052 TVS90-43023B

143.314062 TVS90-43025B

143.314072 TVS90-43032B

143.314082 TVS90-43033B

143.314092 TVS90-43094B

143.314102 TVS90-43095B

143.314112 TVS90-43096B

143.314122 ECV100-145163E

143.314132 ECV100-145164E

143.314142 ECV100-145169E

143.314152 ECV100-145170E

143.314162 ECV100-145180E

143.314172 ECV100-145171E

143.314182 TVS90-43121B

143.314192 ECV100-145186E

143.314202 ECV100-145139E

143.314212 ECV100-145147E

143.314222 ECV100-145148E

143.314232 ECV100-145173E

143.314242 ECV100-145174E

143.314252 ECV100-145182E

143.314262 TVS90-43059B

143.314272 TVS90-43061B

143.314282 TVS90-43107B

143.314292 TVS90-43019B

143.314302 TVS90-43134B

143.314312 ECV100-145179E

143.314322 TVS90-43040B

143.314332 TVS90-43112B

143.314342 TVS90-43111B

143.314362 TVS90-43145B

143.314372 ECV100-145187E

143.314382 TVS90-43044B

143.314392 ECV100-145188E

143.314402 TVS90-43068B

143.314412 TVS90-43108B

143.314422 ECV100-145172E

143.314432 LAV35-40917N

143.314442 ECV100-145183E

143.314452 ECV100-145177E

143.314462 ECV100-145176E

143.314472 ECV100-145181E

143.314482 TVS90-43150B

143.314502 ECV100-145190E

143.314512 ECV100-145191E

143.314522 ECV100-145192E

143.314532 LAV35-41003N

143.314542 TVS90-43066B

143.314552 TVS90-43088B

143.314562 TVS90-43116B

143.314572 TVS90-43067B

143.314582 ECV100-145168E

143.314592 ECV100-145131E

143.314602 ECV100-145085E

143.314612 ECV100-145110E

143.314622 ECV100-145115E

143.314632 ECV100-145106E

143.314642 ECV100-145111E

143.314652 ECV100-145109E

143.314662 ECV100-145108E

143.314672 ECV100-145107E

143.314682 ECV100-145112E

143.314692 ECV100-145116E

143.314702 LAV35-40906N

143.314722 TVS90-43139B

143.314732 TVS90-43140B

143.314742 TVS90-43141B

143.314752 TVS90-43142B

143.314762 TVS90-43143B

143.314772 TVS90-43144B

143.314782 ECV100-145166E

143.314792 TVS90-43102A

143.314802 ECV100-145178E

143.314812 ECV100-145137E

143.315012 ECV100-152024B

143.315022 LAV50-62071D

143.315032 TVS105-53018B

143.315042 TVS105-53025B

143.315052 ECV120-152027B

143.315062 LAV50-62065D

143.315072 TVS105-53006B

143.315082 ECV120-152026B

143.315092 LAV50-62037D

143.315102 LAV50-62053D

143.315112 LAV50-62050D

143.315122 LAV50-62067D

143.315132 ECV120-152025B

143.316022 VM80-150063F

143.316032 V70-125255C

143.316042 VM70-127008B

143.316052 VM80-150116G

143.316062 VM80-150134G

143.316082 VM80-150121G

143.316092 VM100-157034C

143.316102 VM100-150080G

143.316112 VM80-150114G

143.316122 VM100-157027C

143.316132 VM100-157035C

143.316142 VM100-157028C

143.316152 VM80-150121G

143.316162 VM100-157026C

143.316172 VM70-127009B

143.316182 VM80-150071G

143.316192 VM100-157047C

143.316202 VM100-157052C

143.316222 VM80-150016G

143.316232 VM80-150017G

143.316242 VM80-150065G

143.316252 VM80-150039G

143.316262 VM100-157014C

143.316272 VM100-157025C

143.316282 VM80-150122G

143.316292 VM80-150119G

143.316302 VM100-157018C

143.316312 VM80-150063G

143.321012 TVS75-33010C

143.321022 TVS75-33012C

143.322012 VH100-149020C

143.324012 ECV100-145193E

143.324022 ECV100-145194E

143.324042 ECV100-145195E

143.324052 TVS90-43020C

143.324062 ECV100-145196E

143.324072 ECV100-145200E

143.324082 ECV100-145197E

143.324102 ECV100-145199E

143.324112 TVS90-43116C

143.324122 TVS90-43067C

143.324132 ECV100-145201E

143.324142 TVS90-43139C

143.324152 TVS90-43121C

143.324162 TVS90-43025C

143.324172 TVS90-43142C

143.324182 TVXL105-54009A

143.324192 TVS90-43144C

143.324202 ECV100-145202E

143.324212 ECV100-145203E

143.324222 ECV100-145204E

143.324232 ECV100-145205E

143.326012 TVM195-150016H

143.326022 TVM195-150062H

143.326032 TVM195-150063H

143.326042 TVM195-150114H

143.326052 TVM195-150122H

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.326062 TVM195-150017H

43.326072 TVM195-150065H

43.326082 TVM195-150071H

43.326092 TVM195-150039H

43.326102 TVM195-150080H

43.326112 TVM195-150064H

43.326122 TVM220-157028D

43.326132 TVM220-157035D

43.326142 TVM220-157014D

43.326152 TVM220-157026D

43.326162 TVM220-157047D

43.326172 TVM220-157027D

43.326182 TVM220-157025D

43.326192 V70-125250D

143.334272 TVS90-43140D

143.334282 TVS90-43141D

143.334292 TVS90-43142D

143.334302 TVS90-43143D

143.334312 TVS90-43144D

143.334322 ECV100-145219F

143.334332 TVS90-43201D

143.334342 ECV100-145202F

143.334352 TVS90-43121D

143.334362 TVS90-43215D

143.334372 TVS90-43220D

143.334382 TVS90-43226D

143.335012 ECV120-152028C

143.335022 ECV120-152029C

143.335032 LAV50-62037E

143.335042 LAV50-62067E

143.335052 TVS120-63209A

143.335062 LAV50-62065E

143.335072 TVS120-63210A

143.336012 TVM140-70371K

143.336022 TVM220-157058D

143.336032 TVM220-157062D

143.336042 TVM220-157069D

143.341012 TVS75-33039D

143.344022 TVS90-43213D

143.344032 TVS90-43214D

143.344042 TVS90-43221D

143.344052 ECV100-145221F

143.344062 ECV100-145220F

143.344072 TVS90-43219D

143.344082 ECV100-145222F

143.344092 ECV100-145223F

143.344102 TVS90-43222D

143.344112 TVXL105-54017B

143.344122 ECV100-145224F

143.344132 ECV100-145225F

143.344142 TVS90-43230D

143.344152 ECV100-145226F

143.344162 TVS90-43250D

143.344172 ECV100-145227F

143.344182 TVS90-43252D

143.344192 TVS90-43253D

143.344202 TVS90-43254D

143.344212 TVS90-43255D

143.344222 TVS90-43256D

143.344232 ECV100-145228F

143.344242 ECV100-145229F

143.344252 ECV100-145230F

143.344262 ECV100-145231F

143.344272 ECV100-145232F

143.344282 ECV100-145233F

143.344292 ECV100-145234F

143.344302 ECV100-145235F

143.344312 ECV100-145236F

143.344322 ECV100-145237F

143.344332 ECV100-145238F

143.344342 ECV100-145239F

143.344352 ECV100-145240F

143.344362 ECV100-145241F

143.344372 ECV100-145242F

143.344382 ECV100-145243F

143.344392 ECV100-145244F

143.344402 TVXL105-54020B

143.344412 TVXL105-54021B

143.344422 TVS90-43268D

143.344432 TVS90-43269D

143.344442 TVS105-53059D

143.344452 ECV100-145245F

143.344462 TVS105-53067D

143.344472 ECV100-145246F

143.345012 ECV120-152031C

143.345022 ECV120-152030C

143.345032 TVS120-63211A

143.345042 LAV50-62082E

143.345052 ECV120-152032C

143.345062 ECV120-152034C

143.346012 TVM220-157058E

143.346022 TVM220-157062E

143.346032 TVM170-127008D

143.346042 TVM195-150116J

143.346052 TVM195-150134J

143.346062 TVM220-157069E

143.346072 TVM220-157035E

143.346082 TVM170-127009D

143.346092 TVM195-150016J

143.346102 TVM195-150114J

143.346112 TVM195-150122J

143.346122 TVM195-150039J

143.346132 TVM195-150080J

143.346142 TVM220-157028E

143.346152 TVM220-157014E

143.346162 TVM220-157026E

143.346172 TVM220-157047E

143.346182 TVM220-157027E

143.346192 TVM220-157025E

143.346202 TVM125-60249K

143.351012 TVS75-33046D

143.351022 TVS75-33052D

143.354012 TVS90-43290D

143.354022 ECV100-145248F

143.354032 ECV100-145249F

143.354052 ECV100-145251F

143.354062 TVS90-43291D

143.354082 ECV100-145253F

143.354092 TVS90-43292D

143.354102 TVS90-43293D

143.354112 ECV100-145254F

143.354122 TVS90-43294D

143.354132 TVXL105-54024B

143.354142 TVS90-43295D

143.354152 ECV100-145255F

143.354162 TVS90-43289D

143.354172 TVS90-43288D

143.354182 TVS90-43296D

143.354192 TVS90-43297D

143.354202 TVS90-43298D

143.354212 TVS90-43299D

143.354222 ECV100-145256F

143.354232 TVS90-43300D

143.354242 ECV100-145257F

143.354262 ECV100-145259F

143.354272 ECV100-145260F

143.354282 LAV35-40917R

143.354292 TVS90-43307D

143.354302 ECV100-145262F

143.354312 TVS90-43312D

143.354322 TVS90-43315D

143.354332 TVS90-43316D

143.354342 TVS90-43321D

143.354352 TVS90-43322D

143.354362 ECV100-145263F

143.354372 ECV100-145264F

143.354382 ECV100-145265F

143.354392 ECV100-145266F

143.354402 ECV100-145270F

143.354412 ECV100-145271F

143.354422 ECV100-145267F

143.354432 ECV100-145268F

143.354442 ECV100-145261F

143.354452 ECV100-145269F

143.354462 ECV100-145273F

143.354482 TVS105-53077D

143.354492 TVS105-53083D

143.354502 TVS105-53084D

143.355012 ECV100-145033C

143.355022 ECV120-152035C

143.355032 LAV50-62050F

143.356012 TVM220-157081F

143.356022 TVM125-60249L

143.356032 TVM195-150134K

143.356042 TVM220-157069F

143.356052 TVM195-150151K

143.356062 TVM125-60251L

143.356072 TVM195-150152K

143.356082 TVM220-157083F

143.356092 TVM220-157084F

143.356102 TVM170-127013E

143.356122 TVM195-150154K

143.356132 TVM195-150155K

143.356142 TVM195-150156K

143.356152 TVM195-150157K

143.356162 TVM220-157085F

143.356172 TVM220-157086F

143.356182 TVM220-157087F

143.356192 TVM220-157088F

43.326202 V70-125232D

43.326212 V70-125247D

43.326222 V70-125234D

43.326232 V70-125237D

43.326242 V70-125185D

43.326252 V70-125236D

43.326262 V70-125251D

43.326272 V70-125246D

43.326282 TVM140-70281K

43.326292 TVM140-70259K

43.326312 V70-125255D

43.326322 TVM170-127008C

43.326332 TVM195-150116H

43.326342 TVM195-150134H

43.326372 TVM170-127009C

43.331012 TVS75-33025D

43.331022 TVS75-33012D

43.334022 TVS90-43173D

43.334032 TVS90-43174D

43.334042 ECV100-145207F

43.334052 TVXL105-54012B

43.334062 TVS90-43175D

43.334072 TVS90-43176D

43.334082 ECV100-145208E

43.334102 ECV100-145210F

43.334112 TVS90-43177D

43.334122 TVS90-43178D

43.334132 ECV100-145211F

43.334142 TVS90-43068D

43.334152 TVS90-43019D

43.334162 TVS90-43145D

43.334172 ECV100-145200F

43.334182 ECV100-145213F

43.334192 LAV35-40917P

43.334202 TVS90-43116D

43.334212 ECV100-145214F

43.334222 ECV100-145215F

43.334232 ECV100-145217F

43.334242 ECV100-145216F

43.334252 ECV100-145218F

43.334262 TVS90-43139D

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.356202 TVM220-157089F

43.356212 TVM220-157090F

43.356222 TVM220-157091F

43.356232 TVM220-157093F

43.356252 TVM220-157097F

43.356362 TVM125-60251L

43.361012 TVS75-33054D

43.364012 TVS90-43333D

43.364022 ECV100-145274F

43.364032 ECV100-145275F

43.364042 ECV100-145276F

43.364052 ECV100-145277F

43.364062 ECV100-145278F

43.364072 ECV100-145279F

43.364082 TVS90-43334D

43.364092 ECV100-145280F

43.364102 TVS90-43335D

43.364112 TVS90-43336D

43.364122 TVS90-43337D

43.364132 TVS90-43338D

43.364142 TVS90-43339D

43.364152 TVXL105-54029C

43.364162 ECV100-145281F

43.364172 ECV100-145282F

43.364182 ECV100-145283F

43.364192 ECV100-145284F

43.364202 TVS90-43341D

43.364212 ECV100-145285F

43.364222 TVS90-43342D

43.364232 ECV100-145286F

43.364242 ECV100-145287F

43.364252 ECV100-145288F

43.364262 TVS105-53087D

43.364272 ECV100-145290F

43.364282 ECV100-145289F

43.364292 ECV100-145291F

43.364302 ECV100-145292F

43.364312 ECV100-145293F

43.364322 ECV100-145294F

43.364332 ECV100-145295F

43.364342 ECV100-145296F

43.364352 TVS90-43346D

43.364362 TVS90-43347D

43.364372 TVS90-43348D

43.364382 ECV100-145297F

43.364392 TVS90-43351D

43.364402 TVS105-53090D

43.365012 ECV120-152037C

43.365022 ECV120-152038C

43.366022 TVM195-150134L

43.366032 TVM220-157069G

43.366042 TVM195-150151L

43.366052 TVM220-157093G

43.366062 TVM220-157081G

43.366082 TVM125-60252L

143.366102 TVM195-150152L

143.366112 TVM220-157083G

143.366122 TVM220-157084G

143.366132 TVM220-157097G

143.366152 TVM195-150163L

143.366172 TVM220-157108G

143.366182 TVM125-60254L

143.366192 TVM220-157106G

143.366222 TVM220-157110G

143.371012 TVS75-33056E

143.371022 TVS75-33057E

143.371032 TVS75-33059E

143.374012 TVS90-43352E

143.374022 TVS90-43353E

143.374032 TVS90-43354E

143.374052 TVS90-43356E

143.374062 TVS90-43357E

143.374072 TVS90-43358E

143.374082 TVS90-43359E

143.374092 ECV100-145298F

143.374102 ECV100-145299F

143.374112 ECV100-145300F

143.374122 ECV100-145301F

143.374132 ECV100-145302F

143.374142 ECV100-145303F

143.374152 ECV100-145304F

143.374162 ECV100-145305F

143.374172 ECV100-145306F

143.374182 ECV100-145307F

143.374192 ECV100-145308F

143.374202 ECV100-145309F

143.374212 TVS90-43360E

143.374222 TVS90-43361E

143.374232 TVS90-43362E

143.374282 TVS90-43601E

143.374292 TVS105-53601E

143.374302 TVS90-43371E

143.374312 TVS105-53101E

143.374322 TVS90-43342E

143.374332 TVS90-43375E

143.374342 ECV100-145310F

143.374362 TVS90-43307E

143.374372 TVS105-53602E

143.374382 TVS90-43215E

143.374402 ECV100-145312F

143.374412 ECV100-145311F

143.374422 TVS105-53102E

143.374432 TVS90-43389E

143.374452 ECV100-145320F

143.375012 ECV120-152039C

143.375022 ECV120-152040C

143.375032 LAV50-62082F

143.375042 LAV50-62037F

143.375052 ECV120-152043C

143.376022 TVM220-157106H

143.376042 TVM195-150164M

143.376052 TVM220-157115H

143.376062 TVM195-150151M

143.376092 TVM220-157083H

143.381012 TVS75-33061F

143.381022 TVS75-33059F

143.384012 TVS90-43379F

143.384022 TVS90-43380F

143.384032 TVS90-43381F

143.384042 TVS90-43382F

143.384052 TVS90-43383F

143.384062 TVS90-43384F

143.384072 TVS90-43385F

143.384082 TVS90-43386F

143.384092 ECV100-145313G

143.384102 ECV100-145314G

143.384112 ECV100-145315G

143.384122 ECV100-145316G

143.384172 ECV100-145317G

143.384202 ECV100-145318G

143.384212 ECV100-145319G

143.384222 ECV100-145258G

143.384232 ECV100-145295G

143.384242 ECV100-145296G

143.384252 ECV100-145286G

143.384262 ECV100-145287G

143.384272 TVS90-43342F

143.384282 TVS90-43347F

143.384292 TVS90-43346F

143.384302 TVS90-43215F

143.384312 TVS90-43396F

143.384322 ECV100-145321G

143.384332 ECV100-145322G

143.384342 TVS90-43348F

143.384352 ECV100-145285G

143.384362 ECV100-145294G

143.384372 ECV100-145293G

143.384382 TVS90-43402F

143.384392 TVS90-43403F

143.384402 TVS105-53107F

143.384412 TVS105-53602F

143.384422 TVS105-53607F

143.384432 TVS100-44604B

143.384442 TVS90-43405F

143.384452 TVS90-43375F

143.384462 ECV100-145273G

143.384472 ECV100-145291G

143.384482 ECV100-145292G

143.384492 ECV100-145266G

143.384502 ECV100-145290G

143.384512 ECV100-145288G

143.384522 ECV100-145297G

143.384532 ECV100-145289G

143.384542 ECV100-145310G

143.384552 TVS90-43389F

143.384562 ECV100-145320G

143.384572 TVS90-43415F

143.385012 ECV120-152041D

143.385022 ECV120-152042D

143.385032 ECV120-152036D

143.385042 LAV50-62037G

143.385052 LAV50-62082G

143.386022 TVM220-157120J

143.386042 TVM220-157122J

143.386052 TVM195-150152N

143.386062 TVM220-157083J

143.386072 TVM220-157084J

143.386082 TVM220-157097J

143.386122 TVM195-150151N

143.386132 TVM195-150164N

143.386142 TVM220-157115J

143.386172 TVM220-157126H

143.386182 TVM220-157128J

143.391012 TVS75-33066F

143.391022 TVS75-33067F

143.394012 ECV100-145323G

143.394022 TVS90-43420F

143.394032 TVS90-43422F

143.394042 TVS90-43423F

143.394052 TVS90-43424F

143.394062 TVS90-43425F

143.394072 TVS90-43426F

143.394082 ECV100-145324G

143.394122 TVS90-43438F

143.394132 TVS90-43421F

143.394142 TVS90-43428F

143.394152 TVS90-43443F

143.394162 ECV100-145333G

143.394172 ECV100-145327G

143.394182 ECV100-145328G

143.394222 ECV100-145326G

143.394232 ECV100-145325G

143.394242 TVS90-43451F

143.394252 ECV100-145330G

143.394262 ECV100-145332G

143.394272 ECV100-145331G

143.394282 ECV100-145329G

143.394302 TVS90-43454F

143.394312 TVS90-43455F

143.394322 TVS90-43456F

143.394332 TVS90-43457F

143.394342 ECV100-145334G

143.394352 ECV100-145335G

143.394362 ECV100-145336G

143.394372 ECV100-145337G

143.394382 ECV100-145338G

143.394392 ECV100-145339G

143.394402 ECV100-145340G

143.394412 ECV100-145341G

143.394422 ECV100-145342G

vii

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.394432 ECV100-145343G

43.394442 ECV100-145344G

43.394452 ECV100-145345G

43.394462 ECV100-145346G

43.394472 ECV100-145347G

43.394482 ECV100-145348G

43.394492 TVS90-43458F

43.394502 LAV35-40917S

43.394512 ECV100-145349G

43.394522 TVS100-44605B

43.395012 ECV120-152044D

43.395022 ECV120-152045D

43.396022 TVXL220-157213

43.396042 TVXL220-157206

43.396052 TVXL220-157205

43.396082 TVXL220-157215

43.396102 TVM125-60258L

43.396122 TVXL220-157220

43.401012 TVS75-33070F

43.404022 TVS90-43490F

43.404032 TVS90-43491F

43.404042 TVS105-53123G

43.404052 TVS105-53124G

43.404062 TVS105-53125G

43.404072 TVS105-53126G

43.404082 TVS105-53901G

43.404092 TVS105-53902G

43.404122 TVS120-63114F

43.404132 TVS105-53130G

43.404142 TVS105-53903G

43.404152 TVS120-63115F

43.404162 TVS105-53132G

43.404172 TVS105-53131G

43.404182 TVS120-63901F

43.404202 TVS105-53136G

43.404222 TVS105-53137G

43.404232 TVS105-53138G

43.404242 TVS105-53133G

43.404252 TVS105-53134G

43.404282 TVS105-53139G

43.404292 TVS120-63117F

43.404312 TVS105-53140G

43.404322 TVS105-53153G

43.404332 TVS105-53904G

43.404342 TVS90-43498F

43.404352 TVS90-43499F

43.404362 TVS105-53143G

43.404372 TVS105-53905G

43.404382 TVS105-53906G

43.404392 TVS105-53907G

43.404402 TVS120-63902F

43.404412 TVS105-53147G

43.404422 TVS105-53148G

43.404432 TVS105-53149G

43.404442 TVS105-53150G

143.404452 TVS105-53151G

143.404462 TVS105-53152G

143.404472 TVS120-63120F

143.404482 TVS120-63903F

143.404502 TVS90-43504F

143.404532 TVS90-43497F

143.406022 TVXL220-157205A

143.406032 TVXL220-157215A

143.406042 TVXL220-157220A

143.406082 TVM125-60261L

143.406092 TVXL195-150233

143.406102 TVXL220-157230A

143.406122 TVXL220-157206A

143.406172 TVXL195-150238

143.414012 TVS90-43512G

143.414022 TVS105-53162H

143.414032 TVS90-43513G

143.414042 TVS90-43514G

143.414052 TVS90-43515G

143.414062 TVS105-53163H

143.414072 TVS105-53165H

143.414082 TVS90-43497G

143.414092 ECV100-145334H

143.414102 ECV100-145335H

143.414112 ECV100-145339H

143.414122 ECV100-145340H

143.414132 ECV100-145341H

143.414142 ECV100-145342H

143.414152 ECV100-145344H

143.414162 ECV100-145345H

143.414172 TVS90-43298G

143.414182 TVS90-43299G

143.414192 ECV100-145337H

143.414202 ECV100-145338H

143.414212 TVS90-43389G

143.414222 TVS105-53167H

143.414232 TVS90-43526G

143.414242 TVS90-43375G

143.414252 TVS90-43215G

143.414262 ECV100-145346H

143.414272 ECV100-145347H

143.414282 TVS90-43528G

143.414292 TVS105-53153H

143.414302 TVS120-63124G

143.414312 TVS105-53130H

143.414322 TVS105-53901H

143.414332 TVS90-43504G

143.414342 TVS105-53903H

143.414352 TVS120-63901G

143.414362 TVS105-53911H

143.414372 TVS105-53169H

143.414382 TVS105-53151H

143.414392 TVS120-63903G

143.414402 TVS105-53902H

143.414412 TVS105-53168H

143.414422 TVS120-63115G

143.414442 TVS105-53132H

143.414452 TVS105-53152H

143.414462 TVS105-53137H

143.414472 TVS120-63117G

143.414482 TVS105-53139H

143.414492 TVS120-63120G

143.414502 TVS90-43534G

143.414512 TVS90-43535G

143.414522 TVS90-43901G

143.414532 TVS90-43533G

143.414542 TVS105-53907H

143.414552 TVS120-63906G

143.414562 TVS105-53170H

143.414572 TVS120-63902G

143.414582 TVS105-53910H

143.414592 TVS105-53912H

143.414602 TVS105-53913H

143.414612 TVS90-43537G

143.414622 TVS120-63127G

143.414632 TVS105-53914H

143.414642 TVS120-63907G

143.414652 TVS105-53175H

143.414662 TVS105-53176H

143.414672 TVS105-53177H

143.414682 ECV100-145349H

143.414692 TVS100-44022C

143.416022 TVXL195-150239

143.416032 TVXL220-157240A

143.416052 TVM125-60254M

143.416062 TVM125-60265M

143.416072 TVXL220-157241A

143.424012 TVS90-43504H

143.424022 TVS105-56001

143.424032 TVS90-43497H

143.424042 TVS105-53153J

143.424052 TVS90-43526H

143.424062 TVS120-63129H

143.424072 TVS100-44026D

143.424082 TVS105-56904

143.424102 TVS120-63910H

143.424112 TVS100-44029D

143.424122 TVS100-44030D

143.424132 TVS100-44031D

143.424142 TVS105-56905

143.424152 TVS120-63911H

143.424162 TVS105-56906

143.424172 TVS120-63130H

143.424182 TVS100-44032D

143.424192 TVS100-44033D

143.424202 TVS90-43215H

143.424212 TVS90-43514H

143.424222 TVS90-43513H

143.424232 TVS90-43375H

143.424242 TVS90-43553H

143.424252 TVS90-43528H

143.424262 TVS105-53163J

143.424272 TVS105-53165J

143.424282 TVS105-53912J

143.424292 TVS105-53913J

143.424302 TVS105-53179J

143.424312 TVS105-56005

143.424322 TVS105-56006

143.424332 TVS120-63134H

143.424342 TVS120-63135H

143.424352 TVS105-53180J

143.424362 TVS90-43555H

143.424372 TVS90-43556H

143.424382 TVS105-56007

143.424392 TVS105-56907

143.424402 TVS120-63902H

143.424412 TVS90-43558H

143.424422 TVS100-44036D

143.424432 TVS90-43512H

143.424442 TVS105-53162J

143.424452 TVS100-44037D

143.424462 TVS100-44038D

143.424472 TVS90-43515H

143.424482 TVS120-63137H

143.424492 TVS105-53920J

143.424502 TVS120-63915H

143.424512 TVS90-43298H

143.424522 TVS100-44042D

143.424532 TVS100-44043D

143.424542 TVS100-44045D

143.424552 TVS100-44046D

143.424562 TVS90-43389H

143.424572 TVS90-43299H

143.424582 TVS120-63916H

143.426012 TVM125-60261M

143.426022 TVXL195-150246A

143.426032 TVXL195-150238A

143.426042 TVXL220-157205B

143.426052 TVXL220-157206B

143.426062 TVXL220-157220B

143.426072 TVXL220-157245B

143.426132 TVXL220-157215B

143.434012 TVS90-43504J

143.434022 TVS90-43526J

143.434032 TVS115-61902

143.434042 TVS115-56007A

143.434052 TVS115-56012A

143.434062 TVS115-57902A

143.434072 TVS90-43572J

143.434082 TVS115-56011A

143.434092 TVS90-46005

143.434102 TVS115-61002

143.434122 TVS115-56010A

viii

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.434132 TVS115-61901

43.434142 TVS90-43497J

43.434152 TVS115-56906A

43.434162 TVS115-56001A

43.434182 TVS115-56017A

43.434192 TVS90-46003

43.434202 TVS115-57012A

43.434212 TVS90-43576J

43.434222 TVS90-46012

43.434232 TVS115-56016A

43.434242 TVS90-46013

43.434262 TVS90-46007

43.434272 TVS90-46015

43.434282 TVS120-63917J

43.434292 TVS90-46017

43.434302 TVS90-46018

43.434312 TVS90-46019

43.434332 TVS120-63918J

43.434342 TVS100-44037E

43.434352 TVS90-43375J

43.434362 TVS100-44033E

43.434372 TVS90-43513J

43.434382 TVS100-44031E

43.434392 TVS90-43515J

43.434402 TVS90-43553J

43.434412 TVS90-43298J

43.434422 TVS100-44043E

43.434432 TVS90-43215J

43.434442 TVS100-44030E

43.434452 TVS100-44038E

43.434462 TVS100-44032E

43.434472 TVS100-44036E

43.434482 TVS90-43528J

43.434492 TVS105-53913K

43.434502 TVS105-53163K

43.434512 TVS115-61016

43.434522 TVS115-61906

43.434532 TVS90-43514J

43.434542 TVS100-44029E

43.434552 TVS100-44045E

43.434562 TVS90-43299J

43.434572 TVS90-43512J

43.434582 TVS100-44048E

43.434592 TVS115-56911A

43.434602 TVS115-56031A

43.436012 TVXL220-157245C

43.436052 TVM125-60267N

43.436062 TVXL195-150246B

43.436072 TVXL220-157220C

43.436082 TVXL220-157215C

43.436112 TVXL220-157206C

43.436122 TVXL220-157205C

43.436162 TVM125-60254N

43.436172 TVXL195-150238B

43.572102 HH120-120031A

143.598012 HH80-110092C

143.601022 H30-35223H

143.601032 H30-35224H

143.601062 H30-35248G

143.602012 HH120-120078C

143.602022 HH120-120107C

143.602032 HH120-120012B

143.602052 HH120-120069C

143.602062 HH120-120065C

143.602072 HH120-120031C

143.602082 HH120-120013C

143.602092 HH120-120092C

143.602102 HH120-120091C

143.602112 HH120-120075C

143.602122 HH120-120055C

143.604012 H35-45281H

143.604032 H35-45284H

143.604042 H35-45285H

143.604062 H35-45308H

143.604072 H35-45314G

143.605012 H50-65263H

143.605022 H50-65275H

143.605052 H50-65284H

143.606012 H70-130070

143.606022 H70-130071

143.606032 H70-130072

143.606042 H70-130069

143.606052 H70-130081

143.606092 H60-75331H

143.606102 H70-130097

143.607012 HS40-55212B

143.607022 HS40-55249B

143.607032 HS40-55253B

143.607042 HS40-55301B

143.607052 HS40-55302B

143.607062 HS40-55315B

143.608012 HH80-110100D

143.608022 HH80-110075D

143.608032 HH80-110056D

143.609022 HH100-115013C

143.609032 HH100-115150C

143.609042 HH100-115019C

143.609052 HH100-115136G

143.609072 HH100-115129C

143.612022 HH120-120087C

143.614042 H35-45326J

143.614062 H35-45314H

143.614072 H35-45125H

143.614082 H35-45235J

143.614092 H35-45022H

143.614102 H35-45133H

143.614112 H35-45285J

143.614122 H35-45028H

143.614132 H35-45328H

143.614142 H35-45213H

143.614152 H35-45284J

143.614162 H35-45135H

143.615012 H50-65291H

143.615022 H50-65163H

143.615052 H50-65208J

143.615062 H50-65311H

143.615072 H50-65316H

143.615092 H50-65326H

143.616012 H70-130099

143.616042 H60-75158H

143.616052 HH60-105075D

143.616062 HH60-105076D

143.616072 H60-75263H

143.616082 H60-75332H

143.616112 H60-75334H

143.616122 H70-130108

143.617012 HS40-55302B

143.617022 HS40-55212B

143.617032 HS40-55317C

143.617042 HS40-55318C

143.617062 HS40-55320B

143.617082 HS40-55329C

143.617092 HS40-55333C

143.617112 HS40-55346C

143.617132 HS40-55350C

143.617152 HS40-55402C

143.617162 HS40-617162

143.617182 HS40-55363C

143.619012 HH100-115164C

143.621012 H25-25199H

143.621022 H25-25200H

143.621032 H30-35276H

143.621042 H25-25203H

143.621052 H30-35275H

143.621062 H30-35100J

143.621082 H25-25207H

143.621092 H25-25208H

143.622012 HH120-120095D

143.622022 HH120-120107D

143.622032 HH120-120012D

143.622042 HH120-120078D

143.622052 HH120-120065D

143.622062 HH120-120069D

143.622072 HH120-120031D

143.622082 HH120-120087D

143.622092 HH120-120055D

143.622102 HH120-120167D

143.624012 H35-45365G

143.624022 H35-45205G

143.624032 H35-45371H

143.624042 H35-45372H

143.624092 H35-45281J

143.624102 H35-45141G

143.624112 H35-45379H

143.625012 H50-65341J

143.625022 H50-65336J

143.625032 H50-65337J

143.625042 H50-65163K

143.625052 H50-65323K

143.625072 H50-65059K

143.625082 H50-65329K

143.625092 H50-65031K

143.625102 H50-65263K

143.625112 H50-65275K

143.625122 H50-65208K

143.625132 H50-65361J

143.626012 H70-130138A

143.626022 H60-75346J

143.626032 H70-130135A

143.626042 H60-75334J

143.626052 H70-130029A

143.626062 H70-130097A

143.626072 H60-75158J

143.626082 H70-130037A

143.626092 H70-130108A

143.626102 H70-130013A

143.626122 H70-130036A

143.626132 H60-75156J

143.626142 H70-130006A

143.626152 H70-130070A

143.626162 H60-75332J

143.626172 H70-130081A

143.626182 H60-75113J

143.626192 H70-130017A

143.626202 H60-75352J

143.626212 H70-130057A

143.626222 H60-75263J

143.626232 H60-75123J

143.626242 HH60-105064E

143.626252 H60-75355J

143.626262 H60-75291J

143.626282 HM80-155032

143.626292 H70-130168A

143.626302 H60-75365J

143.626312 H70-130069A

143.626322 H70-130015A

143.627012 HS40-55382C

143.627032 HS40-55212C

143.627042 HS40-55444C

143.611012

143.611032

143.611042

143.611052

143.611062

143.611072

143.611082

143.611092

143.611102

143.611112

H30-35071H

H25-25092H

H30-35125H

H30-35169H

H25-25136H

H30-35172H

H30-35256H

H30-35248H

H25-25135H

H30-35130H

143.612012 HH120-120012C

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.628012 HH80-110056E

43.628022 HH80-110075E

43.629012 HH100-115176D

43.629022 HH100-115164D

43.629032 HH100-115136D

43.629042 HH100-115044D

43.629052 HH100-115019D

43.629062 HH100-115179D

43.629072 HH100-115129D

43.631012 H30-35286H

43.631022 H25-25213H

43.631032 H25-25214H

43.631042 H25-25215H

43.631052 H25-25216H

43.631062 H25-25217H

43.631072 H25-25219H

43.631082 H25-25220H

43.631092 H30-35292H

43.632012 HH120-120169D

43.632022 HH120-120168D

43.632032 HH120-120172D

43.632042 HH120-120175D

43.634012 H35-45391H

43.634022 H35-45392H

43.634032 H35-45405H

43.635012 H50-65375K

43.635022 H50-65377K

43.635032 HS50-67037

43.635042 H50-65388J

43.635052 H50-65386K

43.636012 HM80-155037

43.636022 HM80-155038

43.636032 H70-130172A

43.636042 HM80-155045

43.636052 H60-75159J

43.636062 H70-130173A

43.636072 HM80-155083

43.637012 HS40-55460C

43.639012 HH100-115185D

43.641012 H25-25224H

43.641022 H25-25203J

43.641032 H30-35276J

43.641042 H25-25225H

43.641052 H30-35304H

43.641062 H30-35308J

43.641072 H35-45418J

143.644072 H35-45418J

143.644082 H35-45420G

143.645012 HS50-67037A

143.645022 HS50-67062A

143.645032 HS50-67076A

143.646012 H70-130182A

143.646022 H70-130181A

143.646032 H70-130183A

143.646042 HM80-155037A

143.646052 HM80-155038A

143.646062 H70-130013B

143.646072 H70-130006B

143.646082 H70-130181B

143.646092 H70-130182B

143.646102 H70-130173B

143.646112 HH60-105089E

143.646122 H70-130057B

143.646132 H70-130108B

143.646142 HM80-155083A

143.646152 H70-130081B

143.646162 HM80-155095A

143.646172 H70-130185B

143.646182 H70-130183B

143.646192 H60-75365K

143.646202 H70-130186B

143.646212 HM80-155032A

143.646222 HM80-155099A

143.646232 HM80-155045A

143.647012 HS40-55361D

143.647022 HS40-55212D

143.647032 HS40-55318D

143.647042 HS40-55363D

143.647052 HS40-55464C

143.647062 HS40-55469C

143.649012 HH100-115186D

143.649022 HH100-115195D

143.651012 H30-35310J

143.651022 H30-35312J

143.651032 H30-35311J

143.651042 H30-35309J

143.651052 H30-35311K

143.651062 H30-35310K

143.651072 H30-35312K

143.652012 HH120-120182E

143.652022 HH120-120012E

143.652032 HH120-120078E

143.652042 HH120-120055E

143.652052 HH120-120193E

143.652062 HH120-120095E

143.652072 HH120-120181E

143.654012 H35-45421H

143.654022 H35-45424J

143.654032 H35-45424K

143.654042 H35-45427J

143.654052 H35-45428J

143.654062 H35-45441H

143.654072 H35-45448K

143.654082 H35-45428K

143.654092 H35-45441J

143.654102 H35-45285K

143.654112 H35-45379K

143.654122 H35-45328K

143.654132 H35-45371K

143.654142 H35-45133K

143.654152 H35-45392K

143.654162 H35-45427K

143.654172 H35-45460K

143.654182 H35-45463K

143.654192 H35-45462K

143.654202 H35-45464K

143.654212 H35-45391K

143.654222 H35-45205H

143.654232 H35-45471K

143.654242 H35-45284K

143.654252 H35-45471L

143.654262 H35-45371L

143.654272 H35-45428L

143.654282 H35-45133L

143.654292 H35-45379L

143.654302 H35-45474K

143.654312 H35-45476L

143.654322 H35-45328L

143.655012 HS50-67094A

143.655022 HS50-67105A

143.655032 HS50-67110A

143.656012 H60-75394J

143.656022 H60-75398J

143.656032 H60-75403K

143.656042 H60-75404J

143.656052 H60-75407J

143.656062 H70-130172B

143.656072 HM80-155106A

143.656082 HM80-155109A

143.656092 H60-75411J

143.656102 H70-130193B

143.656112 HH60-105096E

143.656122 H70-130196B

143.656132 H70-130197B

143.656152 H70-130200B

143.656162 HH60-105097E

143.656172 H60-75417J

143.656182 H60-75416J

143.656192 H70-130069B

143.656202 H60-75420J

143.656212 HM80-155122A

143.656222 HM80-155121A

143.656232 H70-130202B

143.656242 HM80-155032B

143.656252 H60-75426J

143.656262 H70-130203C

143.656272 H70-130205C

143.656282 HM80-155129B

143.657012 HS40-55212E

143.657022 HS40-55477E

143.657032 HS40-55482E

143.657042 HS40-55484D

143.657052 HS40-55212F

143.659012 HH100-115218E

143.659022 HH100-115136E

143.659032 HH100-115185E

143.661012 H30-35310L

143.661022 H30-35311L

143.661032 H30-35312L

143.661042 H30-35310M

143.661052 H30-35311M

143.661062 H30-35312M

143.662012 HH120-120196E

143.664012 H35-45424L

143.664022 H35-45372L

143.664032 H35-45462L

143.664042 H35-45474L

143.664052 H35-45392L

143.664062 H35-45448L

143.664072 H35-45441K

143.664082 H35-45427L

143.664092 H35-45462L

143.664102 H35-45284L

143.664112 H35-45392M

143.664122 H35-45441M

143.664132 H35-45474M

143.664142 H35-45476M

143.664152 H35-45328M

143.664162 H35-45284M

143.664172 H35-45133M

143.664182 H35-45379M

143.664192 H35-45471M

143.664202 H35-45462M

143.664212 H35-45448M

143.664222 H35-45428M

143.664232 H35-45427M

143.664242 H35-45424M

143.664252 H35-45372M

143.664262 H35-45371M

143.664272 H35-45235M

143.664282 H35-45464M

143.664292 H35-45391M

143.664302 H35-45463M

143.664312 H35-45486M

143.664332 H35-45487K

143.665012 HS50-67037B

143.665022 HS50-67062B

143.665032 HS50-67062C

43.64152

TVXL105-54029B

43.642012 HH120-120176D

43.642022 HH120-120179D

43.642032 HH120-120181D

43.642042 HH120-120182D

43.644012 H35-45371J

43.644022 H35-45328J

43.644032 H35-45372J

43.644052 H35-45022J

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.665042 HS50-67037C

43.665052 HS50-67128C

43.665062 HS50-67132B

43.665072 HS50-67135C

43.665082 HS50-67142B

43.666012 H70-130097C

43.666022 H70-130206C

43.666032 HM80-155131B

43.666042 H70-130207C

43.666052 H70-130193C

43.666062 H70-130197C

43.666072 H70-130202C

43.666082 HM80-155121C

43.666092 HM80-155122C

43.666102 H60-75420K

43.666112 H60-75426K

43.666122 H60-75411K

43.666132 H60-75404K

43.666142 H60-75398K

43.666152 HM80-155106C

43.666162 HM80-155109C

43.666172 H60-75403L

43.666182 H60-75437K

43.666192 H60-75438K

43.666202 H60-75439K

43.666222 H70-130200C

43.666232 HM80-155083C

43.666242 HH60-105096F

43.666252 H70-130172C

43.666272 H60-75416K

43.666282 H70-130211C

43.666292 H60-75442M

43.666302 H70-130212D

43.666312 H70-130213D

43.666322 HM80-155137C

43.666332 HM100-159008B

43.666342 H70-130006C

43.666352 HM80-155129C

43.666362 HM100-159011B

43.666372 H60-75445K

43.666382 H70-130205D

43.667012 HS40-55477F

43.667022 HS40-55486D

43.667032 HS50-67117A

43.667042 HS40-55482F

43.667052 HS40-55482G

43.667062 HS40-55477G

43.667072 HS40-55212G

43.667082 HS40-55495G

43.669012 HH100-115220E

43.672012 HH120-120196F

43.672022 HH120-120207F

43.672032 HH120-120055F

143.672042 HH120-120078F

143.672052 HH120-120181F

143.672062 HH120-120095F

143.672072 HH120-120208F

143.674012 H35-45490M

143.674032 H35-45285M

143.674042 H35-45205K

143.674052 H35-45496K

143.674062 H35-45460M

143.675012 HS50-67146C

143.675022 HS50-67149C

143.675032 H50-65398L

143.675042 HS50-67152B

143.675052 HS50-67117B

143.675062 H50-65406K

143.676012 HM80-155121D

143.676022 HM80-155122D

143.676032 H70-130219C

143.676042 HM80-155145D

143.676052 HM80-155146D

143.676062 HM100-159014A

143.676072 HM100-159015A

143.676082 HM100-159016A

143.676092 HM100-159017A

143.676102 H70-130221C

143.676112 H60-75452K

143.676122 H70-130211D

143.676132 H60-75403M

143.676142 HM80-155151D

143.676152 HM100-159019A

143.676162 HM100-159020A

143.676172 H70-130172D

143.676182 HM80-155083D

143.676192 H70-130224C

143.676202 HM80-155131C

143.676212 HM100-159011C

143.676222 HM80-155129D

143.676232 H60-75456M

143.676242 H60-75457M

143.676252 HM80-155137D

143.676262 HM100-159008C

143.677012 HS40-55469D

143.677022 HS40-55363G

143.679012 HH100-115223F

143.679022 HH100-115136F

143.679032 HH100-115179F

143.684012 H35-45518M

143.685012 HS50-67117B

143.685022 HS50-67163C

143.685032 HS50-67177C

143.686012 HM70-132007A

143.686022 HM70-132008A

143.686032 HM80-155122E

143.686042 HM80-155121E

143.686052 HM80-155146E

143.686062 H70-130206D

143.686072 H50-65413K

143.686082 HM80-155164E

143.686092 HM80-155170E

143.686102 HM100-159034C

143.686112 H50-65423K

143.686122 H60-75461M

143.686132 H70-130232D

143.686142 HM80-155171E

143.686152 HM100-159036C

143.686162 H60-75462M

143.686172 HM100-159040C

143.686182 H60-75464K

143.687012 HS40-55502G

143.687022 HS50-67169B

143.687032 HS50-67170B

143.687042 HS40-55514G

143.694012 H35-45528L

143.694022 H35-45496L

143.694032 H35-45205L

143.696012 H60-75465K

143.696032 HM80-155145E

143.696042 H60-75461N

143.696052 H70-130232E

143.696062 HM80-155171F

143.696072 HM100-159036D

143.696082 HS50-67181C

143.696092 HM80-155170F

143.696102 H70-130205E

143.696112 HM100-159034D

143.696122 H60-75462N

143.696132 HM80-155131F

143.696142 H50-65413L

143.696152 H60-75403N

143.697012 HS50-67178B

143.697022 HS50-67170C

143.697032 HS40-55519F

143.697042 HS50-67117C

143.697052 HS50-67178C

143.701012 H30-35322M

143.701022 H30-35325M

143.704022 H35-45542M

143.704032 H35-45543L

143.704042 H35-45544M

143.704062 H35-45554M

143.706012 H60-75467K

143.706022 H60-75468K

143.706032 HM80-155190E

143.706042 HM80-155189E

143.706052 HM80-155189E

143.706062 H60-75469K

143.706072 HM80-155194E

143.706082 HM80-155193E

143.706092 H70-130172E

143.706102 H60-75470P

143.706112 H70-130240F

143.706122 HM80-155195G

143.706132 HM100-159055E

143.706142 H60-75471P

143.706152 HM100-159034E

143.706162 HM80-155170G

143.706172 H70-130205F

143.706182 H70-130172F

143.706212 H50-65447M

143.706222 HM80-155204G

143.706232 HM100-159062E

143.707012 HS50-67188C

143.707042 HS40-55524G

143.707052 HS50-67190C

143.707062 HS40-55525F

143.707072 HS50-67191C

143.707082 HS50-67192C

143.707092 HS50-67193D

143.707102 HS40-55526G

143.707112 HS50-67195D

143.707122 HS40-55534G

143.707132 HS50-67200D

143.711012

143.711022

143.711032

143.711042

143.711052

H30-35326N

H30-35327N

H30-35312N

H30-35325N

H30-35332N

143.712012 HH120-120095G

143.712022 HH120-120181G

143.712032 HH120-120055G

143.712042 HH120-120208G

143.714012 H35-45372N

143.714022 H35-45460N

143.714032 H35-45542N

143.714042 H35-45462N

143.714052 H35-45427N

143.714062 H35-45371N

143.714072 H35-45474N

143.714082 H35-45543M

143.714092 H35-45285N

143.714102 H35-45133N

143.714112 H35-45379N

143.714122 H35-45328N

143.714132 H35-45544N

143.716012 HM70-132014B

143.716022 HM80-155208F

143.716032 H60-75465L

143.716042 H60-75445L

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.716052 HM70-132007B

43.716062 HM70-132008B

43.716072 HM80-155189F

43.716082 HM80-155190F

43.716092 HM100-159014B

43.716102 HM100-159015B

43.716112 H70-130221D

43.716122 H70-130207D

43.716132 H70-130193D

43.716142 H70-130197D

43.716152 HM80-155194F

43.716162 H50-65398M

43.716172 HM80-155122F

43.716182 HM80-155145F

43.716192 HM80-155146F

43.716202 H70-130232F

43.716212 HM100-159066B

43.716222 HM80-155211F

43.716232 H60-75469L

43.716242 H50-65413M

43.716252 H70-130224D

43.716262 HM100-159020B

43.716272 H60-75416L

43.716282 H60-75439L

43.716292 H60-75437L

43.716302 HH60-105096G

43.716312 H70-130006D

43.716322 H70-130196D

43.716332 HM100-159019B

43.716342 HM70-132015B

43.716352 H60-75438L

43.716362 H70-130205G

43.716372 HM100-159034F

43.716382 HM100-159055F

43.716392 HM80-155204H

43.716402 H60-75479R

43.716412 H60-75404L

43.716422 H50-65447N

43.716432 HM100-159062F

43.717012 HS40-55482H

43.717022 HS40-55502H

43.717032 HS40-55524H

43.717042 HS50-67190D

43.717052 HS40-55363H

43.717062 HS50-67128D

43.717072 HS50-67163D

43.717082 HS50-67192D

43.717092 HS50-67195E

43.717102 HS40-55537H

43.717112 HS50-67206E

43.721012 H30-35334N

43.721022 H30-35333N

43.721032 H30-35335N

43.724012 H35-45568N

43.724022 H35-45569N

143.724032 H35-45571N

143.724042 H35-45474N

143.724052 HS40-55526H

143.725012 HS50-67210E

143.726012 H60-75480M

143.726022 HM100-159019C

143.726032 HM80-155228F

143.726042 H70-130207E

143.726052 H70-130224E

143.726082 H60-75445M

143.726092 H50-65461P

143.726102 HM100-159066C

143.726112 H60-75483S

143.726132 H60-75416M

143.726142 HH60-105096H

143.726152 HM80-155229H

143.726182 H70-130193E

143.726192 H70-130197E

143.726202 H70-130006E

143.726212 H70-130196E

143.726222 H60-75465M

143.726232 HM100-159014C

143.726242 H60-75469M

143.726252 H70-130206G

143.726262 H60-75439M

143.726272 HM80-155231F

143.726282 H70-130205H

143.726292 HM100-159034G

143.726302 H50-65413P

143.726312 HM100-159072G

143.726322 HM100-159020C

143.731012 H30-35337N

143.734012 H35-45573N

143.734022 H35-45575N

143.734032 H35-45576N

143.734042 HS40-55542H

143.735012 HS50-67220E

143.735022 HS50-67224D

143.736032 H60-75484M

143.736042 HM80-155235F

143.736052 H60-75486M

143.736062 H60-75487M

143.736072 H50-65447P

143.736082 HM80-155238F

143.736092 H70-130252H

143.736102 HM100-159079H

143.736112 H50-65473P

143.736122 HM80-155246J

143.736132 HM80-155247J

143.736142 HM100-159086H

143.741012 H30-35327P

143.741022 H30-35333P

143.741032 H30-35337P

143.741042 H30-35342P

143.741052 H30-35350P

143.741062 H30-35351P

143.741072 H30-35354P

143.741082 H30-35362P

143.741092 H30-35363P

143.742032 HM80-155256F

143.742042 H50-65479N

143.742052 H50-65480N

143.744012 H35-45581P

143.744022 H35-45575P

143.744032 H35-45569P

143.744042 H35-45379P

143.744052 H35-45474P

143.744062 H35-45576P

143.744072 H35-45554N

143.744082 H35-45587P

143.744092 HS50-67238E

143.744102 HS40-55546H

143.744112 HS50-67247E

143.744122 H35-45592P

143.746012 H60-75489M

143.746022 HM80-155250F

143.746062 H70-130256J

143.746072 HM100-159095J

143.746082 HM80-155279J

143.746092 HM80-155280J

143.746102 HM100-159101J

143.751012 H30-35342R

143.751022 H30-35333R

143.751032 H30-35362R

143.751042 H30-35363R

143.751052 H30-35350R

143.751062 H30-35351R

143.754012 H35-45581R

143.754022 H35-45379R

143.754032 H35-45575R

143.754042 H35-45592R

143.754052 H35-45576R

143.754062 HS50-67224E

143.754072 H35-45595R

143.754082 HS50-67163E

143.754092 HS50-67192E

143.754102 H35-45587R

143.754112 HS50-67238F

143.754122 HS40-55546J

143.754132 HS50-67247F

143.754142 HS50-67200F

143.754152 H35-45554R

143.756012 H60-75487N

143.756022 H60-75489N

143.756042 H70-130207F

143.756052 H70-130006F

143.756062 HM100-159020D

143.756072 H60-75469N

143.756082 HM80-155228G

143.756092 H60-75465N

143.756102 HM80-155146G

143.756112 HM100-159014D

143.756122 HM80-155256G

143.756132 H70-130224F

143.756142 H50-65479P

143.756152 HM100-159019D

143.756162 H70-130256K

143.756172 HM100-159095K

143.756182 HM80-155279K

143.756192 HM80-155280K

143.756202 HM100-159101K

143.756212 HM80-155299G

143.756222 H70-130260K

143.756232 HM100-159111K

143.760012 HH120-120095H

143.764012 HS50-67178F

143.764022 HS50-67265F

143.764032 HS40-55556J

143.764042 HS50-67268F

143.764052 H35-45604R

143.764062 HS50-67273F

143.764072 HS50-67274F

143.766012 HM80-155302H

143.766072 HM80-155306H

143.766082 HM80-155299H

143.766092 HM100-159111L

143.766102 HM80-155308L

143.766112 HM80-155309L

143.766122 HM100-159115L

143.766132 H70-130263K

143.766142 HM100-159125L

143.766152 HM80-155321L

143.774012 H35-45605R

143.774022 H30-35342S

143.774032 H35-45581S

143.774052 H30-35363S

143.774102 H30-35374R

143.774112 HS40-55534J

143.774122 H35-45612R

143.774132 HS50-67280E

143.776012 HM80-155299J

143.776022 H70-130264F

143.776042 HM80-155327J

143.776052 HM100-159134F

143.776062 HM100-159135F

143.776072 H70-130267L

143.780012 HH120-120213H

143.784012 HS40-55556K

143.784022 HS50-67268G

143.784032 HS50-67274G

143.784042 HS40-55562K

143.784052 H30-35351S

143.784062 H30-35382S

143.784072 HS50-67192F

143.784082 H30-35333S

xii

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.784092 H30-35362S

43.784102 H30-35374S

43.784112 H35-45592S

43.784122 H35-45612S

43.784132 HS50-67280F

43.784142 H35-45379S

43.784152 HS50-67163F

43.784162 H30-35350S

43.784172 H30-35393S

43.784182 H35-45595S

43.784192 H35-45554T

43.784202 HS40-55534L

43.786012 HM80-155308M

43.786022 HM80-155309M

43.786032 HM80-155321M

43.786042 HM100-159115M

43.786052 HM80-155338M

43.786062 HM100-159140M

43.786072 HM100-159141M

43.786082 H60-75507P

43.786092 HM80-155340L

43.786102 H70-130268G

43.786112 HM80-155346K

43.786122 HM100-159135G

43.786132 H70-130006G

43.786142 H70-130269G

43.786152 H70-130264G

43.786162 H60-75469P

43.786172 HM80-155327K

43.786182 HM100-159111N

43.786192 HM100-159134G

43.786202 HM100-159158G

43.794012 HS40-55556L

43.794022 HS40-55562L

43.794032 HS50-67274H

43.794042 HS50-67268H

43.794052 HS40-55572L

43.794053 HS50-67291H

43.794072 HS40-55573L

43.794082 HS50-67300H

43.796012 HM80-155308N

43.796022 HM80-155309N

43.796032 HM80-155321N

43.796042 HM80-155338N

43.796052 HM100-159115N

43.796062 HM100-159140N

43.796072 HM100-159141N

43.796082 HM80-155365N

43.796092 HM80-155366N

43.796102 HM100-159162N

43.796122 H70-130224G

43.796132 HM80-155370N

43.796142 H70-130267M

143.796152 HM80-155346L

143.796162 HM100-159169H

143.796172 HM100-159135H

143.796182 H70-130006H

143.796192 HM80-155327L

143.796202 HM80-155384L

143.804012 HS50-67300J

143.804022 HS50-67268J

143.804032 HS40-55573M

143.804042 HS40-55556M

143.804052 HS40-55585M

143.804062 HS40-55586M

143.804072 HS50-67309J

143.804082 H30-35419S

143.804092 H30-35420S

143.804102 H35-45629S

143.804112 H30-35424S

143.806012 HM80-155370P

143.806022 HM80-155309P

143.806032 HM80-155389P

143.806042 HM100-159115P

143.806052 HM100-159180P

143.806072 HM80-155308P

143.806082 HM80-155394P

143.806092 HM100-159183P

143.806102 HM80-155400L

143.806112 H70-130264H

143.806122 H70-130267N

143.806132 HM100-159192J

143.806142 H70-130268H

143.806152 HM80-155411L

143.806162 HM100-159135J

143.806172 HM100-159169J

143.806182 HM80-155424L

143.814012 HS40-55586N

143.814022 HS50-67309K

143.814032 H30-35426S

143.814042 H30-35427S

143.814052 H35-45631S

143.814062 H35-45633S

143.814072 H30-35431S

143.816012 HM100-159183R

143.816022 HM80-155416P

143.816032 HM100-159199R

143.816052 HM80-155433L

143.816062 H60-75469S

143.816072 H70-130264J

143.824012 H30-35427T

143.824022 H30-35426T

143.824032 HS50-67330K

143.824042 H30-35431T

143.826012 HM80-155445P

143.826022 HM100-159209R

143.826032 HM80-155433M

143.826042 HM80-155454M

143.826052 HM100-159135K

143.826062 H60-75537S

143.943528 TVS90-43299K

143.943530 TVS90-43514K

143.943532 TVS90-43700K

143.943800 TVS100-44048F

143.943802 TVS100-44036F

143.943804 TVS90-46030A

143.943806 TVS90-46031A

143.943808 TVS90-46032A

143.943810 TVS100-44043F

143.943812 TVS90-46035A

143.943814 TVS90-46036A

143.943816 TVS90-46037A

143.943818 TVS100-44038F

143.943820 TVS100-44029F

143.943830 TVS100-44046F

143.943832 TVS100-44030F

143.943834 TVS100-44031F

143.943838 TVS100-44033F

143.943842 TVS100-44045F

143.943844 TVS100-44032F

143.944000 TVS105-53163L

143.944002 TVS115-56032B

143.944004 TVS115-56031B

143.944006 TVS115-56033B

143.944008 TVS105-53912L

143.944010 TVS115-56012B

143.944012 TVS115-56010B

143.944014 TVS115-56036B

143.944016 TVS115-56037B

143.944018 TVS115-56016B

143.944022 TVS115-56043B

143.944024 TVS115-56042B

143.944026 TVS105-53913L

143.944028 TVS115-56044B

143.944030 TVS115-56046B

143.944032 TVS115-56912B

143.944034 TVS115-56047B

143.944036 TVS115-56048B

143.944500 TVS115-57020B

143.944502 TVS115-57023B

143.944504 TVS115-57028B

143.944506 TVS115-57030B

143.945000 TVM125-60254P

143.945001 HSSK50-67338M

143.945002 TVS115-61901A

143.945003 HS50-67163H

143.945004 TVS115-61021A

143.945006 TVS115-61022A

143.945010 TVS115-61906A

143.945012 TVS115-61016A

143.945014 TVS115-61002A

143.945016 TVS115-61024A

143.945018 TVS115-61026A

143.945020 TVS115-61027A

143.826072 HM80-155424M

143.826082 HM100-159169K

143.826092 H60-75538S

143.826102 HM80-155462M

143.826112 H60-75539S

143.826122 HM80-155400M

143.834012 HSSK50-67338L

143.834022 H30-35426U

143.834032 HS50-67192G

143.834042 H35-45595T

143.834052 HS50-67163G

143.836012 HMSK80-155478R

143.836022 HMSK80-155416R

143.836032 HMSK100-159199S

143.836042 HMSK100-159244S

143.836082 HM80-155487M

143.836092 H60-75537T

143.836102 H60-75538T

143.836112 H60-75469T

143.836122 H60-75539T

143.836132 H60-75554T

143.941000 TVXL220-157245D

143.941001 HMSK100-159244T

143.941002 TVXL220-157205D

143.941003 HMSK100-159261T

143.941004 TVXL220-157215D

143.941005 HM100-159262K

143.941006 TVXL220-157206D

143.941007 HM100-159135L

143.941008 TVXL220-157220D

143.941009 HM100-159262L

143.943001 H30-35426V

143.943003 H30-35431V

143.943005 H30-35450V

143.943009 H30-35453V

143.943501 H35-45655V

143.943502 TVS90-43515K

143.943503 H35-45654V

143.943504 TVS90-43513K

143.943505 H35-45595U

143.943506 TVS90-43215K

143.943507 H35-45657U

143.943508 TVS90-43572K

143.943509 H35-45661V

143.943510 TVS90-43298K

143.943512 TVS90-43375K

143.943514 TVS90-43576K

143.943526 TVS90-43512K

xiii

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.945300 TVS120-63918K

43.945302 TVS120-63919K

43.945502 TVS120-63921K

43.945504 TVS120-63920K

43.945506 TVS120-63922K

43.945508 TVS120-63923K

43.945510 TVS120-63924K

43.946001 H60-75539U

143.953810 TVS100-44046G

143.953812 TVS100-44038G

143.953814 TVS90-46035B

143.953818 TVS100-44030G

143.953820 TVS100-44033G

143.953822 TVS100-44045G

143.953824 TVS100-44032G

143.954000 TVS115-56033C

143.954002 TVS115-56036C

143.954004 TVS105-53163M

143.954006 TVS105-53913M

143.954010 TVS115-56051C

143.954018 TVS115-56044C

143.954020 TVS115-56912C

143.954022 TVS115-56047C

143.954024 TVS115-56048C

143.954026 TVS115-56046C

143.954500 TVS115-57031C

143.954502 TVS115-57023C

143.954504 TVS115-57032C

143.954506 TVS115-57030C

143.954508 TVS115-57033C

143.954516 TVS115-57028C

143.955000 TVS115-61907B

143.955001 HSSK50-67338N

143.955002 TVS115-61024B

143.955004 TVS115-61032B

143.955005 HS50-67163J

143.963500 TVS90-43515M

143.963501 H35-45657W

143.963502 TVS90-43215M

143.963503 H35-45687W

143.963504 TVS90-43576M

143.963505 H35-45671X

143.963506 LEV115-350009A

143.963507 H35-45674X

143.963508 TVS90-43729M

143.963509 H35-45675X

143.965018 LEV115-350006A

143.965020 TVS115-61027C

143.965022 TVS115-61056C

143.965024 LEV115-350015B

143.965071 HSK850-8302B

143.965073 HSK850-8309B

143.965502 TVS120-63920M

143.965504 TVS115-62901A

143.965506 LEV115-355002A

143.965508 TVS115-62902A

143.966001 H60-75469V

43.946003 H60-75469U

143.963511

H35-45661X

43.946005 H60-75537U

143.963513 H35-45697X

143.966003 H60-75539V

43.946007 H60-75554U

143.963515 H35-45698X

143.966004 TVS120-63929M

143.966005 H60-75554V

43.948000 TVXL195-150238C

43.948001 HMSK80-155478S

43.948003 HMSK80-155502S

43.948005 HM80-155487N

43.948007 HM80-155433N

43.948009 HM80-155424N

43.951000 TVM220-157245E

43.951001 HMSK100-159282T

43.951002 TVM220-157206E

43.951003 HM100-159262M

43.951004 TVM220-157215E

43.951005 HM100-159135M

43.951006 TVM220-157205E

43.951008 TVM220-157220E

43.951010 TVM220-157255E

43.953001 H30-35431W

43.953003 H30-35453W

43.953005 H30-35450W

43.953007 H30-35459W

43.953500 TVS90-43576L

43.953501 H35-45595V

143.963517 H35-45595W

143.963800 TVS100-44031H

143.963802 TVS100-44029H

143.963804 TVS90-46068C

143.963806 TVS100-44033H

143.963808 TVS90-46035C

143.963810 TVS100-44030H

143.963812 TVS90-46081C

143.964000 TVS115-56047D

143.964001 HSSK40-55585T

143.964002 TVS115-56036D

143.964004 TVS115-56048D

143.964006 TVS90-48001A

143.964008 TVS90-48005A

143.964010 LEV115-350002A

143.964012 LEV115-350008A

143.964014 TVS115-56071D

143.964016 TVS115-56072D

143.964018 TVS115-56073D

143.964020 TVS115-56074D

143.964022 TVS115-56078D

143.964024 TVS115-56077D

143.964026 TVS115-56076D

143.964028 TVS115-56082D

143.964500 TVS115-57023D

143.964502 TVS115-57031D

143.964504 TVS115-57030D

143.964506 TVS115-57032D

143.964510 LEV115-350005A

143.964512 LEV115-350003A

143.965000 TVM125-60254R

143.965001 HSSK50-67365P

143.965002 TVS115-61049C

143.965003 HSSK50-67338P

143.965004 TVS115-61021C

143.965005 HSSK50-67374P

143.965006 TVS115-61050C

143.965008 TVS115-61016C

143.965010 TVS115-61051C

143.965012 TVS115-61026C

143.965014 TVS115-61037C

143.965016 LEV115-350004A

143.966010 TVS120-63930M

143.966012 TVS120-63924M

143.968000 TVM195-150238E

143.968001 HMSK80-155547T

143.968003 HMSK80-155478T

143.968005 HMSK80-155555T

143.969001 HM90-156007B

143.969003 HM90-156008B

143.969005 HM90-156004B

143.969007 HM90-156005B

143.971000 TVM220-157205F

143.971001 HMSK100-159244V

143.971002 TVM220-157215F

143.971003 HMSK100-159339V

143.971004 TVM220-157206F

143.971005 HM100-159309N

143.971007 HM100-159352M

143.971009 HM100-159135N

143.955006 TVS115-61906B

143.955008 TVS115-61016B

143.955010 TVS115-61021B

143.955016 TVS115-61037B

143.955018 TVS115-61039B

143.955020 TVS115-61027B

143.955022 TVS115-61026B

143.955024 TVS115-61041B

143.955300 TVS120-63924L

143.955500 TVS120-63920L

143.955502 TVS120-63925L

143.955506 TVS120-63921L

143.958000 TVM195-150238D

143.958001 HMSK80-155535S

143.958003 HM80-155424P

143.958005 HM80-155487P

143.958007 HM80-155544P

143.959001 HM90-156004B

143.959003 HM90-156005B

143.959005 HM90-156006B

143.961000 TVM220-157259E

143.961001 HMSK100-159244U

143.961003 HMSK100-159305U

143.961005 HM100-159309M

143.961007 HM100-159294M

143.963001 H30-35453X

143.971011

HM100-159374N

143.973500 TVS90-43576N

143.973501 H35-45657X

143.973502 TVS90-43729N

143.973503 H35-45698Y

143.973504 LEV115-350009B

143.973505 H35-45675Y

143.973507 H35-45697Y

143.973508 TVS90-43515N

143.973509 H35-45674Y

143.973510 TVS90-43746N

43.953502 TVS90-43513L

43.953503 H35-45654W

43.953504 TVS90-43215L

43.953505 H35-45655W

43.953506 TVS90-43515L

43.953507 H35-45671W

43.953508 TVS90-43700L

43.953509 H35-45657V

43.953510 TVS90-43375L

143.973511

H35-45661Y

43.953511

H35-45675W

143.973512 LEV115-350043B

143.973513 H35-45657Y

43.953512 TVS90-43512L

43.953513 H35-45674W

43.953514 TVS90-43514L

43.953515 H35-45661W

43.953516 TVS90-43298L

43.953800 TVS90-46036B

43.953802 TVS100-44029G

43.953804 TVS100-44031G

43.953806 TVS100-44036G

43.953808 TVS100-44037G

143.973800 TVS90-46083D

143.973802 TVS90-46081D

143.973804 LEV115-350040B

143.974002 TVS115-56089E

143.974004 TVS115-56048E

143.974006 TVS90-48014B

143.974008 TVS90-48013B

143.974010 TVS115-56090E

143.974012 TVS115-56047E

xiv

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Crafts man Tecums eh

43.974014 TVS115-56094E

43.974016 TVS115-56095E

43.974018 TVS115-56073E

43.974020 LEV115-350044B

43.974022 LEV100-340002A

43.974024 TVS115-56071E

43.974026 TVS115-56074E

43.974030 LEV115-350045B

43.974032 TVS90-48023B

43.974034 TVS115-56077E

43.974036 TVS90-48029B

43.974500 TVS115-57048E

43.974502 TVS115-57049E

43.974504 LEV115-350029B

43.974506 LEV115-350030B

43.974508 TVS115-57054E

43.975000 TVS115-61037D

43.975001 HSSK50-67338R

43.975002 LEV115-350012B

43.975004 TVS115-61051D

43.975006 TVS115-61027D

43.975007 HSSK50-67374R

43.975008 TVS115-61026D

43.975010 TVS115-61056D

43.975012 TVS115-61063D

43.975014 TVS115-61064D

43.975016 TVS115-61065D

43.975024 LEV115-350031B

43.975026 LEV115-350032B

43.975028 TVS115-61072D

43.975030 TVS115-61071D

43.975032 TVS115-61016D

43.975034 LEV115-350047B

43.975036 TVS115-61081D

43.975038 TVS115-61082D

43.975500 TVS115-62106B

43.975502 TVS115-62107B

43.975504 TVS115-62108B

43.975506 TVS115-62110B

43.975508 LEV115-355005B

43.975510 LEV115-355006B

43.976002 TVS120-66901A

43.976003 H60-75469W

143.978005 HM80-155587R

143.978007 HM80-155424R

143.978501 HMSK85-155901A

143.979001 HMSK90-156518C

143.979003 HM90-156004C

143.979005 HM90-156005C

143.979009 HM90-156007C

143.985007 HSSK50-67374S

143.985008 LEV115-350072C

143.985010 TVS115-61085E

143.985012 LEV115-350090C

143.985014 TVS115-61083E

143.985016 LEV115-350119C

143.985018 LEV120-361038A

143.985500 LEV115-355008C

143.985502 LEV115-355007C

143.985504 TVS115-62116C

143.985506 TVS115-62117C

143.985508 TVS115-62118C

143.985510 LEV115-355012C

143.985512 LEV115-355014C

143.986000 LEV115-360014B

143.986002 LEV115-360012B

143.986004 LEV115-360013B

143.986006 LEV115-360015B

143.986010 TVS120-66011B

143.986014 LEV115-360020B

143.986250 LEV115-360008B

143.986252 LEV120-361019A

143.986500 LEV120-361012A

143.986502 LEV120-361013A

143.986504 LEV120-361021A

143.986506 TVS120-66104B

143.986508 TVS120-66105B

143.986512 LEV120-361031A

143.986514 LEV120-361037A

143.986518 LEV120-361040A

143.988000 TVM195-150287G

143.988001 HM80-155587S

143.988003 HMSK80-155614V

143.988005 HM80-155424S

143.988503 HM85-155851A

143.989001 HM90-156004D

143.989003 HM90-156005D

143.989005 HM90-156007D

143.989007 HM90-156008D

143.991001 HM100-159411P

143.991002 TVM220-157275G

143.991101 HMSK110-159951A

143.991103 HMSK110-159959A

143.993001 H30-35512Y

143.994502 LEV100-345012C

143.994506 TVS115-57064G

143.995000 LEV115-350114D

143.995001 HSSK50-67392S

143.995002 LEV115-350090D

143.995003 HSSK50-67396S

143.995004 LEV120-361046B

143.995005 HSSK50-67398S

143.995012 LEV115-350070D

143.995500 LEV115-355008D

143.995502 LEV115-355016D

143.995508 TVS115-62122D

143.996000 LEV115-360012C

143.996002 LEV115-360015C

143.996004 LEV115-360021C

143.996006 TVS120-66018C

143.996008 TVS120-66011C

143.996502 LEV120-361012B

143.996504 LEV120-361013 B

143.996506 LEV120-361041B

143.996508 LEV120-361042B

143.996510 LEV120-361044B

143.996518 TVS120-66104C

143.996520 TVS120-66105C

143.996522 TVS120-66107C

143.998001 HM80-155658S

143.998501 HMSK85-155903A

143.998503 HM85-155852A

143.999001 HMSK90-156522D

143.999003 HM90-156017D

143.999005 HMSK90-156525D

143.999007 HMSK90-156529D

143.979011

HM90-156008C

143.981000 TVM220-157215G

143.981001 HMSK100-159365W

143.981002 TVM220-157272G

143.981003 HM100-159135P

143.981005 HM100-159374P

143.981007 HM100-159388P

143.983071 HSK600-1708T

143.983500 LEV100-335009B

143.983501 H35-45661Z

143.983502 LEV100-335010B

143.983504 LEV100-335011B

143.983506 TVS90-43746P

143.983508 LEV100-335015B

143.983510 LEV100-335018B

143.983800 LEV100-338007B

143.983804 LEV100-338012B

143.983806 TVS90-46111E

143.984000 LEV115-350056C

143.984001 H40-55701A

143.984002 LEV115-350057C

143.984004 LEV115-350058C

143.984006 LEV115-350059C

143.984008 LEV100-340012B

143.984010 LEV100-340013B

143.984012 LEV100-340014B

143.984014 LEV100-340015B

143.984016 LEV100-340016B

143.984018 LEV100-340017B

143.984020 LEV100-340021B

143.984022 LEV100-340022B

143.984024 LEV100-340024B

143.984026 LEV100-340026B

143.984028 LEV100-340027B

143.984030 LEV100-340028B

143.984500 LEV100-345003B

143.984502 LEV100-345002B

143.984504 LEV100-345006B

143.984506 TVS115-57057F

143.984508 LEV100-345009B

143.984510 LEV100-345010B

143.984512 LEV100-345011B

143.984514 LEV100-345012B

143.985000 LEV115-350060C

143.985002 LEV115-350073C

143.985003 HSSK50-67338S

143.985004 LEV115-350070C

143.985006 LEV115-350071C

43.976005 H60-75539W

43.976007 H60-75554W

143.993500 LEV100-335018C

143.993501 H35-45754Y

43.976250 TVS120-66101A

43.976252 TVS120-66102A

43.976254 LEV115-360005A

43.976256 LEV115-360007A

43.976258 LEV115-360008A

43.976260 TVS120-66103A

43.977001 HSK70-130299T

43.978000 TVM195-150238F

43.978001 HMSK80-155478U

43.978003 HMSK80-155580U

143.993502 LEV100-335010C

143.993504 LEV100-335020C

143.993508 TVS90-43746R

143.993800 LEV100-338012C

143.994000 LEV100-340026C

143.994001 H40-55703A

143.994002 LEV100-340029C

143.994004 LEV100-340030C

143.994500 LEV100-345013C