Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 5001496 | Exhaust housing, inner, upper | 1 | |
2 | 5007618 | *fitting, exhaust back pressure | 1 | |
3 | 0347202 | *fitting, cooling hose | 2 | |
4 | 0314616 | *stud, adapter to crankcase | 1 | |
5 | 0321164 | *plug, adapter | 3 | |
6 | 0339717 | *grommet, shift rod to adapter | 1 | |
7 | 0345702 | Fitting, cooling hose | 2 | |
8 | 0301250 | Washer, crankcase mounting | 1 | |
9 | 0306422 | Nut, crankcase to adapter | 1 | |
10 | 0341010 | Screw, adapter to inner housing | 3 | |
11 | 0302290 | Lock washer | 6 | |
12 | 0306470 | Lock washer | 2 | |
13 | 0306503 | Screw, adapter to crankcase | 2 | |
14 | 0341011 | Screw, adapter to housing, outer | 2 | |
15 | 0329241 | Washer | 4 | |
16 | 0352947 | Screw, adapter to cylinder, long | 2 | |
17 | 0309484 | Screw, cylinder to adapter, short | 4 | |
18 | 0330266 | Washer, cylinder to adapter | 6 | |
19 | 0341009 | Screw, adapter to outer housing. f, g suffix models | 2 | |
19 | 0351491 | Stud, adapter to outer housing. early models | 2 | |
20 | 0328742 | Nut, adapter to outer housing. f, g suffix models | 2 | |
21 | 0432017 | Rubber mount assembly 25, 30 in. models | 1 | |
21 | 0984468 | Rubber mount assembly 20 in. models | 1 | |
22 | 0330929 | Plate, upper mount | 1 | |
23 | 0330930 | Screw, upper mount | 2 | |
24 | 0330931 | Screw, upper mount | 2 | |
25 | 0329743 | Stud, cover mount | 2 | |
26 | 0349556 | Washer, mount | 2 | |
27 | 0349557 | Mount, engine cover | 2 | |
28 | 0343809 | Gasket, plate to adapter | 1 | |
29 | 0354508 | Water plate | 1 | |
30 | 0302290 | Lock washer, plate to adapter | 4 | |
31 | 0312978 | Screw, plate to adapter | 4 | |
32 | 0333565 | Cover, water plate | 1 | |
33 | 0302290 | Lock washer, cover | 4 | |
34 | 0333165 | Screw, cover, long | 2 | |
35 | 0124341 | Screw, cover, short | 2 | |
36 | 0334113 | Gasket, inner exhaust housing to water plate | 1 | |
37 | 0351228 | Exhaust housing, inner, upper | 1 | |
38 | 0341010 | Screw, inner housing to adapter | 3 | |
39 | 0334118 | Seal, exhaust housing, front | 1 | |
40 | 0305145 | Grommet, water tube | 1 | |
41 | 0346897 | Water tube. 20 in. models | 1 | |
41 | 0346898 | Water tube. 25 in. models | 1 | |
41 | 0346899 | Water tube. 30 in. models | 1 | |
42 | 0320936 | Seal, exhaust housing | 2 | |