McCulloch Chainsaw Parts List 211594-03 MS1846AV MS2046AV M1849AV MS2049 MAC 4600 4900 5500 PM1846AV PM2046AV PM1849AV PM2049AV PRO MAC 4700 5000 5500 Silver Eagle 2818 3020 TimberBear 20

46 / 49 / 55cc  
GASOLINE POWERED  
ANTI-VIBRATION (AV) CHAIN SAWS  
(
†)SERIAL  
McCulloch products are identified by a model number (in this instance  
600465) followed by a suffix number (00). Suffix numbers denote  
NUMBER  
PREFIX  
MODEL  
BAR &  
CHAIN  
ENGINE  
SIZE  
MODEL NAME  
MS1846AV  
MS2046AV  
M1849AV  
NUMBER  
variations in parts or assemblies used in the manufacture of this  
product.  
-
18  
20  
18  
20  
18  
20  
16  
46cc  
46cc  
49cc  
49cc  
46cc  
46cc  
46cc  
46cc  
46cc  
46cc  
49cc  
49cc  
49cc  
49cc  
49cc  
55cc  
46cc  
46cc  
49cc  
49cc  
-
-
Illustrated Parts Lists (IPLs) contain a PART NUMBER, DESCRIPTION,  
UNITS per assembly and STOCKING CODE for each part.  
Stocking Codes are:  
-
-
MS2049  
-
-
A - Dealer stocked. Fast to medium moving part.  
B - Distributor stocked. Medium to slow moving part.  
C - Factory stocked. Slow moving part.  
MAC 4600  
11- / 22-  
600465-00  
600465-01  
600465-02  
600465-07  
600465-09  
600465-12  
600498-01  
600498-02  
600498-03  
600498-08  
600498-13  
600555-00  
-
MAC 4600  
11- / 22-  
MAC 4600  
11- / 22-  
MAC 4600  
11-  
11-  
11-  
11-  
11- / 22-  
11-  
11-  
11-  
22-  
-
MAC 4600  
NOTE:  
The following explains symbols and footnotes in this IPL:  
MAC 4600  
(
(
(
-)  
A dash preceding a PART NUMBER indicates that it is  
a new part number, different from the one listed in the  
previous IPL for this unit.  
MAC 4900  
MAC 4900  
20  
MAC 4900  
.)  
One or more dots (. Spring, Starter) preceding a part  
DESCRIPTION indicates the part is included in the kit  
or assembly described directly above the dot(s).  
MAC 4900  
MAC 4900  
MAC 5500  
-- --)  
If four dashes appear in place of a PART NUMBER, the  
part is not available individually but is included in  
the next higher assembly or subassembly.  
PM1846AV  
PM2046AV  
PM1849AV  
PM2049AV  
PROMAC 4700  
PROMAC 5000  
PROMAC 5500  
SILVER EAGLE 2818  
SILVER EAGLE 3020  
TIMBERBEAR 20  
TIMEBERBEAR  
18  
20  
18  
20  
-
-
-
-
¿¡  
Circled numbers preceding a DESCRIPTION  
footnote the part or assembly to additional information  
on the page.  
-
-
22-  
22-  
22-  
600465-03  
600498-20  
600555-02  
(
*)  
An asterisk denotes that choices follow or precede.  
Serial Number Prefix 21- denotes CARB approved unit  
55cc  
(†)  
-
- all parts are interchangeable with Serial Number  
Prefix 11-.  
-
-
20  
49cc  
55cc  
The policy of McCulloch is one of continual improvement in design,  
manufacturing and engineering advancement wherever possible to  
assure still finer power tools. Hence, specifications, equipment colors,  
design and manufacturer ’s suggested list prices are subject to change  
without notice. McCulloch reserves the right to make such changes  
without prior notification or obligation to backfit or supply backfit  
components for units previously shipped from the factory.  
22-  
600555-01  
MARCH 2003  
ILLUSTRATED PARTS LIST  
P.O. Box 31567  
Tucson, Arizona 85751-1567 • U.S.A.  
©
McCulloch 2003  
P/N 211594-03  
FIGURE 1  
GENERAL ASSEMBLY  
–
–43  
–
–
–
–
–
–
–
–6  
–7  
–8  
–9  
–10  
–11  
–12  
––21  
––22  
–
–
–
–42––––44  
–46 ––45  
–47  
2
1–  
–
–
–23  
–24  
––48  
––49  
––50  
2
3–  
7
0
4
1––  
–
–
–
–
–
–
–51  
–52  
–53  
–54  
–55  
–56  
6
––––13  
–
–
–
–
–
–
–
–14  
–15  
–16  
–17  
–18  
–19  
–20  
6
9
73  
6
6
6
8
2
4
5
6
7
6
5
7
2
7
1
1
1
1
6
2
3
0
6
1
3
1
3
7
3
2
9
3
2
6
0
8
2
8
27  
26  
5
2
6
4
1
3
34  
9
8
6
3
1
7
7
24  
3
2
5
9
3
5
5
6
1
9
20  
9
50  
4
5
4
5
1
52  
5
3
1
4
4
8
4
6
2
2
1
5
21  
6
1
5
6
4
7
18  
59  
5
8
1
0
12  
4
4/45  
4
3
3
5
3
7
40  
3
6
3
9
3
8
5
7
2
GENERAL ASSEMBLY  
FIGURE 1  
ITEM STK PART  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
NO. CODE NUMBER  
DESCRIPTION  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
-
-
-
-
FIGURE 2  
FIGURE 4  
FIGURE 5  
FIGURE 3  
Powerhead Asy  
Chain Brake Asy  
Rear Handle Asy  
Bar Information  
Chain Information  
Fuel/Oil Tank Asy (Black)  
Valve, Duckbill  
Filter, Foam  
Retainer, Vent  
Spacer  
Hose, Pulse  
Pickup, Fuel  
Isolator Asy Handle  
Hose, Fuel  
Primer, Remote  
Hose, Primer  
Bolt, Bar 5/16-18, Shoulder  
Hose, Oil  
Pickup, Oil  
Hose, Fuel/Oil  
Fuel Cap Asy  
Gasket  
Oil Cap Asy  
Gasket, Oil Cap  
O-Ring, .013  
Washer, Bar Bolt  
Bar Adj Screw Nut & Ring  
Nut, Bar Adjusting  
Plate, Bar  
Screw, 6-19 x .375  
Plate, Bar Guide  
Lever, Choke  
Rod, Choke  
Plug, Pulse Hose  
Plate, Flange  
Screw, 10-24x1 Torx  
Precleaner Asy  
Screw, 8-16 Plast  
Washer, #8 Plain  
Boot, Intake  
Starter Asy (Yellow)  
Housing/Rope Guide Asy  
Housing, Starter (Yellow)  
Rope Guide  
Tube, Rope Guide  
Spring, Starter Rewind  
Pulley, Starter  
Pawl, Starter  
Plate, Starter  
Spring, Friction  
Spacer, Starter  
Screw, Shoulder  
Rope, Starter 45”  
Handle, Starter  
Bushing, Starter  
Spacer, 10x.135  
Screw, 10-14x.625 Torx  
1
1
1
1
1
1
2
2
1
4
1
1
1
1
1
1
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
A
B
C
A
A
C
C
C
C
C
A
C
A
C
C
C
MC-217935  
MC-111068  
MC-322671  
MC-300292  
MC-218005  
MC-111117  
MC-300296  
MC-301419  
MC-111110  
MC-111109  
MC-300922  
MC-322659  
MC-111099  
MC-302416  
MC-323344  
MC-325172  
Screw, 10-24x.5 Torx  
Screw, 10-14x1.38 Torx  
Handle, Front  
Retainer, Nut  
Nut, Sq 10-24  
Screw, 10-14x1 Plast  
Screw, 10-24x.5 PnHdTorx  
Top Cover Asy (Black)  
Screw, 10-14x2  
Screw, 10-14 Torx Hd  
Air Cleaner Asy  
Cover, Air Cleaner (Black)  
Screw, k10-24x.625 PnHdTorx  
Isolator Asy  
Cable Asy, AV Spring  
Plate, Flange  
1
1
1
2
2
2
2
1
2
1
1
1
2
1
1
1
-
FIGURE 3  
B
A
A
C
B
B
A
A
A
A
A
B
C
A
B
A
-
MC-300730  
MC-322199  
MC-300259  
MC-322859  
MC-322883  
MC-322647  
MC-300869  
MC-301417  
MC-322860  
MC-224242-02  
MC-322861  
MC-111107  
MC-218480  
MC-225062  
MC-322867  
MC-301112  
-- --  
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
3
11600465-00  
11600465-01  
11600465-07  
11600465-12  
11600498-02  
11600498-08  
11600465-02  
11600465-09  
11600498-01  
11600498-03  
11600498-13  
A
-
A
B
A
-
MC-300917  
-- --  
MC-111142  
MC-322658  
MC-520001-33  
-- --  
11600465-03  
1600465-08  
11600498-04  
11600498-09  
1
C
C
C
C
B
C
C
A
C
A
B
C
C
C
-
MC-322873  
MC-111143  
MC-301612  
MC-322880  
MC-300728  
MC-323339  
MC-301615  
MC-217937  
MC-322665  
MC-223357  
MC-105976  
MC-322666  
MC-300226  
MC-301914  
-- --  
*
41  
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
-
-
-- --  
-- --  
A
B
B
C
C
C
C
A
A
A
B
C
MC-300475  
MC-300228  
MC-300229  
MC-300230  
MC-300231  
MC-300232  
MC-300233  
MC-300234  
MC-87851  
MC-223944  
MC-111157  
MC-111111  
3
LY  
4
8
4
9
5
0
4
7
4
3
4
4
2
1
5
5
5
1
52  
4
0
5
3
3
9
54  
5
7
5
6
3
8
3
3
3
7
7
5
2
8
34  
3
6
2
5
2
7
24  
2
6
4
5
4
6
2
3
4
4
3
1
32  
7
0
3
0
20  
2
9
7
2
1
9
7
1
6
6
6
5
12  
16  
17  
6
7
2
6
9
3
6
4
1
8
6
2
1
4
–
–23
3––  
–
–24
––58  
58––––59  
––60  
2
6
3
11  
68  
1
0
3
4
8
5
8
9
7
1
3
6
1
6
6
0
1
5
5
9
5
9
–
–2  
––2––––3  
–4  
2
1
60  
–
––36  
–
–
–62  
–63  
6
2––  
–
–
–37  
–38  
–
–
–
–6  
–7  
–8  
–
–
–
–
–
–
–
–5––  
–10  
–11  
–12  
–13  
–14  
–15  
––39  
––40  
––41  
––42  
––42  
––66  
––67  
66–––68  
––69  
35––  
6
2
1
––  
––9  
––70  
7
4
7
3
2
2
4
POWERHEAD ASSEMBLY  
FIGURE 2  
UNITS  
PER ASY  
ITEM STK PART  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
NO. CODE NUMBER  
DESCRIPTION  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
A
A
A
C
B
-
MC-301912  
-- --  
MC-322182  
MC-322635  
MC-301913  
-- --  
Kit, Oil Pump Asy  
Pump Asy, Oil  
Fitting  
1
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
66  
67  
68  
69  
70  
70  
71  
72  
73  
74  
75  
C
C
A
-
C
A
A
-
MC-322654  
MC-111105  
MC-216635  
-- --  
MC-215946  
MC-300222  
MC-102164  
-- --  
Spring, Garter  
Screw, 10-24, Carb Clamp  
Washer, Special #10  
C’shaft/ConRod/Bearing Asy  
Bearing, Ball  
Seal, Crankshaft  
Key, Wdf #206  
Crankcase/Fitting Asy  
Fitting, Pulse Line  
Clamp, Wire, Hose 1/4”  
Conduit, Flex  
Piston Asy, 46cc  
Piston Asy, 49cc  
Pin, Piston  
Bearing, Piston Pin  
Ring, Retaining  
Ring, Piston, 46cc  
Ring, Piston, 49cc  
Retainer, Nut  
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
Screw, Adj  
1
2
2
1
1
1
1
1
1
1
1
1
2
1
1
4
4
4
Kit, Gear/Plunger Asy  
Piston/Gear Asy  
Spring, Comp  
O-ring  
Washer  
O-Ring, 1.625x.06  
Washer, Felt  
Connector, Oil Pump  
Gear, Worm  
Washer  
Seal, Felt  
Screw, #8 Plast  
Washer, Clutch Drum  
Bearing, 10x13x13mm  
Drum/Sprocket Asy, .325x8T  
Clutch Asy, Old, Threaded  
-
-
-- --  
-- --  
A
B
A
B
C
C
B
C
C
C
A
A
A
A
A
B
A
A
A
A
A
A
C
B
B
A
C
C
C
-
MC-110582  
MC-111162  
MC-323435  
MC-322864  
MC-322662  
MC-322884  
MC-323126  
MC-111108  
MC-322856  
MC-111104  
MC-301338  
MC-300726-01  
-
-- --  
1
1
1
1
1
1
1
1
1
1
C
B
-
-
-
-
-
-
-
A
A
C
A
B
MC-323395-01  
MC-323433  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
MC-300292  
MC-218005  
MC-111095  
MC-216683  
MC-301926  
*
20  
Nut, 10-24 Sq  
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
MC-9228-310210 Clutch Asy, New, No Thread  
Screw, 10-24x2.75 Torx  
Washer, #10 Special  
Short Block Asy  
MC-322848  
MC-110961  
MC-301759  
MC-223884  
MC-102556  
MC-95266  
MC-215533-01  
MC-110995  
MC-217936  
MC-322881  
MC-322854  
MC-322855  
MC-92879  
MC-322853  
MC-300923  
MC-300720  
-- --  
Flywheel  
Nut, Hex 5/16-24  
Ignition Asy  
4
1
Kit, Spark Plug Wire  
Connector, Spark  
Boot, Spark Plug  
Grommet, H/T Lead  
Grommet, S/Plug Wire  
Screw, Tr 10-24x.75 Torx  
Contact, Ground  
Spacer, Nut 10-24x.834  
Stud, 10-24x1.105  
Spark Plug, RDJ8J  
Baffle, Muffler Gasket  
Muffler Asy  
1
1
1
1
1
1
1600465-00  
11600465-01  
11600465-03  
11600465-08  
11600498-02  
11600498-04  
11600498-08  
1600465-02  
1600465-07  
1600498-01  
1600498-03  
1600498-08  
1
1
1
1
1
1
1
1
1
1
1600465-09  
1600498-13  
1600465-00  
1600465-02  
1600465-07  
1600465-09  
1600498-01  
1600498-03  
1600498-08  
1600498-13  
11600465-12  
11600465-01  
11600465-03  
11600465-08  
11600465-12  
11600498-02  
11600498-04  
11600498-09  
Screw, Muffler  
Body Asy, Muffler  
Screw, 10-24x.5 Tr Torx  
Baffle, Muffler  
Screen, Spark Arrester  
Body, Muffler, Outer  
Lock Plate  
Nut, 10-24 Hex Lock  
Eyelet, Boot  
Flange, Boot  
Screw, 10-24x.62 TrHdTorx  
Boot, Carburetor  
Eyelet, Carburetor  
Flange, Carburetor  
Gasket, Carburetor  
Boot, Carburetor  
Carburetor Asy  
A
-
B
-
MC-217935  
-- --  
MC-300719  
-- --  
B
A
C
C
B
C
C
C
A
C
-
MC-301609  
MC-216649  
MC-322655  
MC-322649  
MC-219881  
MC-322648  
MC-322656  
MC-322650  
MC-323536  
MC-322879  
FIGURE 6  
Not used  
C
C
MC-322652  
MC-322653  
Bracket, Carburetor  
Boot, Intake  
BAR AND CHAIN INFORMATION  
FIGURE 3  
BAR AND CHAIN  
SIZE  
BAR PART  
NUMBER  
CHAIN  
CHAIN  
SERVICE TOOLS  
FILE AND GUIDE PART No.  
PART NUMBER  
SPECIFICATIONS  
FILE PART No.  
1
1
2
6”  
8”  
0”  
MC-323219-33 MC-323218-33  
MC-323215-33 MC-323214-33  
MC-323217-33 MC-323216-33  
PMG320GLX  
MC-301944-33  
MC-219161-33  
5
CHAIN BRAKE ASSEMBLY  
FIGURE 4  
–
–
–
–
–
–
–
–
–1  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
–2 ––3  
–3––––4  
–6 ––5  
–7  
–8  
–9  
–10  
–11  
–12  
DESCRIPTION  
PER ASY  
1
2
3
4
5
6
7
8
9
A
C
-
-
-
-
-
C
-
-
MC-300723  
MC-110737  
-- --  
-- --  
-- --  
-- --  
-- --  
MC-322886  
-- --  
-- --  
Chain Brake, Inertia (Yellow)  
Clip, “U”  
Latch Asy, Chain Brake  
Pin, Brake Band  
Pin, Latch  
Slider  
Pivot, Latch  
Screw, Band Anchor  
Flat, Brake  
Washer, “D”  
Waher, Spring  
Lever Pivot  
Pin, Spring Hook  
Band, Brake  
Ring, Retaining  
Spring, Chain Brake  
Stop, Chain  
Screw, 10-24x.62 TrHdTorx  
Spike  
Screw  
Nut, 10-24  
Label, Safety  
Nut, Bar 5/16-18  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
2
2
1
2
1
––  
–
–
2
3
9
––13  
–
–
–
–
–14  
–15  
–16  
–17  
1
0
10  
1
1
1
1
1
2
3
4
-
-
-
-- --  
-- --  
-- --  
6
––18  
1
9
2
2
1
1
C
C
B
B
B
B
C
A
B
A
MC-323537  
MC-218079  
MC-217440  
MC-218641  
MC-111226  
MC-301614  
MC-111169  
MC-218315  
MC-219058  
MC-322885  
1
2
15  
1
1
1
6
7
8
19  
0
21  
2
23  
2
1
2
0
3
3
5
1
7
2
4
2
1
1
5
1
6
2
2
8
1
4
1
1
8
1
7
REAR HANDLE ASSEMBLY  
FIGURE 5  
–
–
–
–
–
–
–
–
–2  
–3  
–4  
–5  
–6  
–7  
–8  
–9  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
0
1
12  
3
4
15  
16  
7
8
9
0
1
2
3
C
A
A
A
C
C
C
C
C
C
C
C
B
B
B
B
C
A
A
A
A
A
C
MC-301916  
MC-300727  
MC-300297  
MC-111180  
MC-322870  
MC-322869  
MC-322875  
MC-322876  
MC-322874  
MC-322878  
MC-322670  
MC-301397  
MC-224245  
MC-62451  
MC-322851  
MC-111069  
MC-322881  
MC-322852  
MC-111113  
MC-111180  
MC-300299  
MC-301417  
MC-323344  
Handle/Trigger Asy  
Cable, Throttle  
Washer, .19idx.68od  
Screw, 8-16x.5 Torx  
Release, Trigger  
Trigger  
Spring, Trigger  
Spring, High Idle  
Latch, High Idle  
Grommet, Throttle  
Frame, Rear  
Cover Asy, Handle  
Button, Stop Switch  
Contact, Ignition Switch  
Wire Asy  
Screw, 8-16x.375 Plast  
Contact, Ground  
Wire, Ground Asy  
Screw, Rear Frame Cover  
Screw, 8-16x.5 Torx  
Screw, 8-16x1 Torx Plast  
Isolator Asy, Handle  
Safety Cable Asy  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
3
1
1
1
1
––12  
1
––  
–
–
–
–
–
–
–
–
–10 ––13  
–11 ––14  
–12 ––––15  
–19 ––16  
–20 ––17  
–21 ––18  
–22  
1
1
1
1
8
9
2
3
1
1
–23  
6
1
0
1
7
6
1
3
5
1
1
8
4
7
1
1
1
2
2
2
2
1
4
23  
1
5
22  
1
6
1
2
2
1
2
0
1
9
6
CARBURETOR ASSEMBLY  
FIGURE 6  
2
3
5
6
7
4
1
1
1
4
8
9
1
0
1
5
16  
1
2
1
3
2
0
1
7
18  
3
6
35  
14  
2
6
2
1
9
5
2
3
3
4
23  
2
2
3
2
3
1
3
4
2
1
3
0
2
2
9
8
2
7
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
ITEM STK PART  
NO. CODE NUMBER  
UNITS  
PER ASY  
DESCRIPTION  
DESCRIPTION  
-
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
B
MC-322657-04  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
Carburetor, Walbro WT463  
Screw, Pump Cover  
Cover, Fuel Pump  
Screw, Idle Adjustment  
Spring  
Gasket, Fuel Pump  
Diaphragm, Fuel Pump  
Screen Fuel Inlet  
Shaft Asy, Throttle  
Spring, Throttle Return  
Shutter, Throttle  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
-- --  
Gasket, Metering Diaphragm  
Pin, Metering Lever  
Lever, Metering  
Spring, Metering Lever  
Screw, Metering Lever Pin  
Valve, Inlet Needle  
Plug, Welch  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
4
1
1
Plug, Welch  
Nozzle Asy, Check Valve  
O-ring, High Needle  
Washer, High Needle  
Needle, Idle  
Spring, Idle Needle  
Needle, High  
Spring, High Needle  
Limiter Cap, High Speed  
Limiter Cap, Low Speed  
Retainer, Limiter  
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
Shaft Asy, Choke  
Shutter, Choke  
Screw, Shutter and Choke  
Ring, Shaft Retainer  
Lever, Throttle  
Spring, Choke Friction  
Ball, Choke Friction  
Plug  
Ring, Screen Retainer  
Screen, Check Valve  
Seat Asy, Check Valve  
Screw, Metering Cover  
Cover, Metering Diaphragm  
Diaphragm Asy, Metering  
325520 Kit, Carburetor Repair,Walbro (A1137WT)  
01042 Kit, Gasket/Diaphragm , Walbro (B1110WT)  
3
7
P.O. Box 31567 • Tucson Arizona 85751-1567 • U.S.A.  
•
MANUFACTURING • SALES • SERVICE •  
FOR WARRANTY OR SERVICE, CONTACT THE NEAREST McCULLOCH AUTHORIZED SERVICE CENTER  
LISTED UNDER ‘SAWS’ IN YOUR TELEPHONE DIRECTORY YELLOW PAGES.  
IF FURTHER ASSISTANCE IS REQUIRED, CALL THIS TOLL-FREE HOT LINE.  
PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER.  
1-800-521-8559  
MONDAY - FRIDAY - 6:00 AM - 4:30 PM (MST)  
www.mccullochpower.com  
USE ONLY  
GENUINE  
McCULLOCH  
REPLACEMENT  
PARTS  
ENGINE SPECIFICATIONS  
TORQUE SPECIFICATIONS  
Displacement, cc (ci) . . . . . . . . . .46cc (2.8ci)  
. . . . . . . . . . . . . . . . . . . . . . . . .49cc (3.0ci)  
Bore, cc (ci) . . . . . . . . . . . . . . . . .46cc, 1.69 in. (43mm)  
. . . . . . . . . . . . . . . . . . . . . . . . .49cc - 1.74 in. (44mm)  
FASTENER  
PART NO.  
C’Case to Fuel/Oil Tank 217937  
FIG/ TORQUE  
ITEM (IN/LBS) LOCTITE  
DESCRIPTION  
.
1/36  
55-60  
262  
242  
242  
242  
-- --  
262  
133A  
262  
242  
262  
Flywheel Nut  
110961  
217936  
322854  
92879-00  
217935  
216682  
219881  
111105  
111095  
3/22 175-185  
.
Ignition Screw  
Ign. Spacer Nut  
Spark Plug  
3/29  
3/31  
45-50  
45-50  
Spark Plug . . . . . . . . . . . . . . . . . .92879-00  
Spark Plug Gap . . . . . . . . . . . . . .0.025 in. (0.635mm)  
Starter Rope Length . . . . . . . . . . .41 in. (104cm)  
Max RPM (w/bar &chain) . . . . . .11,500  
3/33 110-120  
Muffler Screws  
Muffler Nuts  
3/33  
3/43  
3/46  
3/56  
3/73  
45-50  
50-55  
45-50  
25-30  
70-80  
Clutch Engagement Speed . . . . . .3,500-3,800 RPM  
Fuel Mix . . . . . . . . . . . . . . . . . . . .40:1  
Carb Boot Flange  
Carburetor Flange  
C’Case to Cylinder  
Fuel Tank Capacity . . . . . . . . . . . ..11.8 fl. oz (349ml)  
Oil Tank Capacity . . . . . . . . . . . . ..22.7 fl. oz (671ml)