HH150-170001
Page 1 of 9
Engine Parts List #1
HH150-170001
Page 2 of 9
Engine Parts List #1
Ref # Part Number
Qty Description
Cylinder (Incl. 2, 4 & 33) (3-1/2" Bo re)
1
33464A
31927
28483
2
2
2
2
2
4
5
Pipe Plug, 3/8-18 sq. head (Use as re quired)
Pipe Plug (3/8-18 hex countersunk) (A s req.)
Pipe Plug (3/4-14 sq.hd.)(As req.)(Bu y local)
Pipe Plug (1/8-27 sq. hd.) (Use as re quired)
Pipe Plug(1/8-27 hex c/sunk headless) (As req)
Pin, Dowel
9556
28534
27652
33497C
Crankshaft (Incl. 6 thru 9, 140 & 141 )
NOTE: When
using this crankshaft to repair older units equippedwith
straight cut cam and governor gears,it will be necessary to
order 34751 helical governor gear assembly and 34752
helical camshaft in order to the complete the repair.
6
7
8
9
29783
31931
31932
31928
Pin, Crankshaft gear
Gear, Crankshaft (Straight)
Bearing, Tapered roller
Cup, Bearing
1
1 34511
1 34512
1 34513
1A 32238B
1A 32239B
1A 32240B
2 31919
3 32241
3 32242
3 32243
4 33093A
4 34383
4 34384
5 32077
6 26073
7 28264
8 33470
9 33472
0 33471
1 33505
1 33645
2 33506
2 33646
3 33507
4 33508
5 33509
5A 34410
6 33510
7 33473
8 650745
9 35479
9 30590A
0 31948
1 31956B
2 33466
3 31950
4 650451
5 650492
6 32425
7 32426
8 29193
Piston, Pin & Ring Set (Std.) (3-1/2" Bore)
Piston, Pin & Ring Set (.010" OS)
Piston, Pin & Ring Set (.020" OS)
Piston & Pin Ass'y. (Std.)(3-1/2")(In cl.12)
Piston & Pin Ass'y. (.010" OS) (Incl. 12)
Piston & Pin Ass'y. (.020 " OS) (Incl . 12)
Ring, Piston pin retaining
Ring Set (Std.) (3-1/2" Bore)
Ring Set (.010" OS)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
Ring Set (.020" OS)
Connecting Rod Assy.(Std.)(Incl.15, 1 6 & 17)
Connecting Rod Assy.(.010" US)(Incl.1 5,16,17)
Connecting Rod Assy.(.020" US)(Incl.1 5,16.17)
Bolt, Connecting rod
Washer, Connecting rod
Nut Assy.
Camshaft (MCR) (Straight)
Lifter, Valve
Rod, Push
Intake Valve (Std.)
Intake Valve (1/32" OS)
Exhaust Valve (Std.)
Exhaust Valve (1/32" OS)
Spring, Valve
Retainer & Cap Set, Keeper valve
* "O" Ring (Intake only) (Also Incl. in 251)
* "O" Ring (Exhaust only) (Also Incl. i n 251)
Cap, Valve
Governor Gear & Shaft Ass'y. (Straigh t)
Washer, Flat
Washer, Flat (Use with 35322 spool)
Washer, Flat
Spool, Governor
* Gasket, Cylinder cover
Cylinder Cover Ass'y. (Incl.2, 33 & 1 34)
* Seal, Oil
Screw, 1/4-20 x 1"
Screw, 1/4-20 x 2-1/4"
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
Rod Assy., Governor
Spacer, Governor rod
Ring, Retaining
HH150-170001
Page 3 of 9
Engine Parts List #1
Ref # Part Number
9 650687
0 33495
1 34225A
2 33465
5 33657
6A 650691
6 650690
7 650692
7A 650746
8 730218
9 792035
0 33515A
1 33475
2 650378
3 792028
4 33476A
5 33477A
6 792075
7 33478
8 31963
9 31964
0 650518
1 30312
2 650544
3 7975
4 31965
5 33054
6 28558
7 31966
8 650597
9 31967
0 650591
1 33099
2 32599
3 650666
4 32579
5 650561
6 650592
7A 730201
7 610854
8 650594
9 610855
0 650661
1 33479
2 30063
3 650751
4 33775A
5 8274
5A 8274
6A 650595
6 650595
7 650752
8 35475
9 33481
0 34754
4 33484
5 650168
6 32610A
Qty Description
Screw, 10-32 x 5/16"
3
4
4
4
Cover, Cylinder head
* Gasket, Cylinder head
Head, Cylinder
Spark Plug (L-82C)
Washer, Flat
4
4
4
4
Washer, Belleville
Screw, 5/16-18 x 1-3/4"
Screw, 5/16-18 x 1-3/8"
Valve Guide Kit (Incl. 49)
Ring, Retaining
* Gasket, Intake pipe
Pipe, Intake
Screw, Torx T-30, 5/16-18 x 1-1/8"
Screw, 5/16-18 x 7/8"
* Gasket, Carburetor
Baffle, Air cleaner
Nut, Lock 5/16-24 (Used in early prod uction)
Link, Governor lever-to-throttle leve r
Lever, Governor
Clamp, Governor lever
Lockwasher, No. 10 E.T.
Screw, 10-32 x 1/2"
Screw, Torx T-25, 10-24 x 7/8"
Nut, 10-24
Plate, Governor spring
Lever Assy., Control
Washer, Wave
Bushing, Governor lever
Screw, 10-24 x 5/8"
Spring, Governor
Screw, 10-24 x 2"
Spring
"O" Ring (Incl. in 251)
Washer, Lock
Baffle, Blower housing
Screw, 1/4-20 x 5/8"
Key, Flywheel
Trigger Pin Kit (Use as required)
Flywheel
Nut, Flywheel
4
4
4
5
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
Solid State Magneto (Incl. 158, 159 & 160)
Screw, 1/4-20 x 3/4"
Extension, Blower housing
Screw, 1/4-20 x 1/2"
Screw, 1/4-20 x 7/16"
Blower Hsg.(Incl.218A,219)(For elec.s tarter)
Washer, Lock
8
8
8
Washer, Lock
Screw, 5/16-24 x 3/8"
Screw, 5/16-24 x 3/8"
Screw, 1/4-20 x 7/16"
Tube, Push rod
* "O" Ring (Also Incl. in 251)
Housing, Rocker arm
* "O" Ring (Also Incl. in 251)
Washer, Flat
8
8
8
8
9
9
9
9
Screw, 1/4-20 x 29/32"
HH150-170001
Page 4 of 9
Engine Parts List #1
Ref # Part Number
7 33485
8 33486
9 650755
00 650864
01 650756
02 33487
03 33488
04 31958A
05 33489
06 33490
07 30102
08 650738
11 35471
12 35472
14 650399
15 32008
16A 32810
17 650513
18 650675
19 32426
20 33776
22 650670
23 27070
25 650590
26 32043B
27 32808
37 650744
38 33467
46 32577
Qty Description
9
9
9
1
1
1
1
1
1
1
1
1
1
1
1
1
Arm, Rocker
Ring, Retaining
Screw, 1/4-20 x 3/4"
Nut, Hex, 1/4-20
Stud, Rocker arm
* "O" Ring (Also Incl. in 251)
Cover, Rocker arm
* Gasket, Breather (Also Incl. in 251)
Body Assy., Breather
Tube, Breather
* Screw, 10-32 x 5/8" (Also Incl. in 25 1)
Screw, 1/4-20 x 5/8"
* Gasket, Air cleaner
Bracket, Air cleaner
Screw, 10-32 x 5/8"
Element, Air cleaner
Cover, Air cleaner
Nut, Wing
Washer, Flat
Spacer, Screen
Screen, Pulley
Screw, 1/4-20 x 3/4"
Washer, Lock
Nut, Conduit
Muffler
1
1
1
1
1
1
1
1
1
1
1
1
1
Nipple, Exhaust pipe
Screw, 10-24 x 7/8"
Tube extension, Oil fill
Cover, Cylinder NOTE: Determine the gap between the cover
and the machined surface on the cylinder, which can be
from .001" up to .007", in which case no shim gaskets will be
required. Use of gaskets must be limited to a combined total
of .010" thick. Steel spacersmust be used as required to eli
1
47 792028
Screw, 5/16-18 x 7/8"
155 31971
* Gasket, Shim (.004/.005 thick) NOTE: Determine the gap
between the cover and the machined surface on the
cylinder, which can be from .001" up to .007", in which case
no shim gaskets will be required. Use of gaskets must be
limited to a combined total of .010" thick. Steel
spacersmust be used a
156 31972
* Gasket, Shim (.005/.007 thick) NOTE: Determine the gap
between the cover and the machined surface on the
cylinder, which can be from .001" up to .007", in which case
no shim gaskets will be required. Use of gaskets must be
limited to a combined total of .010" thick. Steel
spacersmust be used a
157 32031
* Spacer, Steel (.010 thick) NOTE: Determine the gap
between the cover and the machined surface on the
cylinder, which can be from .001" up to .007", in which case
no shim gaskets will be required. Use of gaskets must be
limited to a combined total of .010" thick. Steel
spacersmust be used as re
1
1
1
1
58 610118
59 610750
60 610408
89 33764
Cover, Spark plug
Grommet, Lead wire
Nut, 8-32
Dipstick (Incl. 190)
HH150-170001
Page 5 of 9
Engine Parts List #1
Ref # Part Number
90 29985
91 33468
92 29673
93 29443
44A 550223
44A 32676
44B 31752
44 34346
46 631687
47 631680
Qty Description
"O" Ring
1
1
1
1
Tube Assy., Oil filler
* Gasket, Oil filler tube
Clip, Wire
2
2
2
Decal, Name
Decal, Solid state
Decal, Air cleaner
Decal, Instruction
Valve, Seat & Spring Assy.
Carburetor (Incl. 54 & 246) (Refer to Division 5, Section A,
page 124 for breakdown)
2
2
2
2
50 33516G
* Gasket Set (Incl. items marked *)
"O" Ring Kit (Incl. Nos. items marked +)
251 35075
HH150-170001
Page 6 of 9
Engine Parts List #2
HH150-170001
Page 7 of 9
Engine Parts List #2
Ref # Part Number
9 650687
2 30063
26A 35731
32 33500A
Qty Description
Screw, 10-32 x 5/16"
3
8
Screw, 1/4-20 x 1/2"
Muffler (Incl. 126B)
Counterbalance Weight Ass'y. Kit (Gears have helical teeth,
which replace earlier straight tooth gears) (Incl. 33963 gear &
1
1
33965 weights)
1
1
1
1
1
1
1
33 33501
34 33502
35 33503
36 792017
40 33499
41 33963
41
Bearing, Needle
Shaft, Counterbalance
Washer, Thrust
Ring, Retaining
Spacer
Gear, Counterbalance weight (Helical teeth)
Gear, Counterbalance weight (Straight teeth) (For
replacement see Ref. 132. Order correct kit for your
enginemodel number.)
1
1
1
1
1
1
48 610761
49 650416
51 610749
53 792028
53 650781
62 610819
63A 610922
09 730178
10 34102B
11 30196
38 730212
Alt.Coil Ass'y.(Incl.162A & 163) (10 amp)
Screw, 10-32 x 1"
Regulator (10 Amp)
Screw, 5/16-18 x 7/8"(Use w/32817 str .motor)
Screw,5/16-18 x 11/16"(Use w/33835 st r.motor)
Connector, Pyramid
1
Terminal
2
2
2
2
Ech.Adapter Kit (Incl.210 & 211)(As r equired)
Gasket, Exhaust (Use as required)
Screw, 5/16-18 x 3/4" (Use as require d)
Adapter Plate Kit (Optional) NOTE: If you are having
mounting problems in using a HH100 thru0H180 inplace of a
large frame competitivebrand, we would like to call your
attention to 730212 adapter plate kit. The kit converts the
bottom mounting system found on HH100 thru 0H180 to a
top mounting sys
249 33835
Electric Starter Motor (12-Volt) (Refer to Division 5, Section
D for breakdown)
HH150-170001
Page 8 of 9
Engine Parts List #3
HH150-170001
Page 9 of 9
Engine Parts List #3
Ref # Part Number
14 650399
15 32008
17 650513
19 32426
22 650670
23 27070
43 29774
43 30705
43 30962
44 32959
45 33010
71B 32958
78 410144B
78 34210
Qty Description
Screw, 10-32 x 5/8"
1
1
1
1
1
1
1
1
Element, Air cleaner
Nut, Wing
Spacer, Screen
Screw, 1/4-20 x 3/4"
Washer, Lock
Fuel Line (Braided 8.25")(21 cm)(As r equired)
Fuel Line (Braided 16")(41 cm)(As req uired)
Fuel Line (Braided 32")(81 cm)(As req uired)
Pump, Impulse fuel
Repair Kit, Impulse fuel pump
Fitting, Fuel pump
Fuel Cap (White Plastic)(Std)(As requ ired)
Fuel Cap (Red Plastic) (Spurt resistant, High profile) (Use as
required)
1
1
1
1
1
1
1
96 26460
Clamp, Fuel line (Use as required)
Rewind Starter Kit (Incl.120A, 121, 122, 187, 188 & 248)
245 730134
(Use as required)