Parts Diagram | ## | Part # | Description | Qty | Notes |
| 0435535 | 0435535 | Cylinder & crankcase assembly. all 40 models not shown | 1 | |
0435563 | 0435563 | Cylinder & crankcase assembly. all 50 models not shown | 1 | |
1 | 0304178 | Dowel pin, bearing | 2 | |
2 | 0314616 | Stud, cylinder. to adapter | 1 | |
3 | 0305070 | Taper pin | 1 | |
4 | 0308747 | Screw, crankcase to cy | 2 | |
5 | 0308752 | Screw, main bearing. upper & lower | 4 | |
6 | 0308742 | Screw, crankcase to cylinder | 8 | |
7 | 0321164 | Plug, pulse hole, rope start | 1 | |
8 | 0332944 | Plug, thermostat | 1 | |
9 | 0331188 | O-ring, thermostat cover | 1 | |
10 | 0322323 | Screw, cylinder head | 10 | |
11 | 0433379 | Thermostat assembly | 1 | |
12 | 0334742 | Gasket, thermostat | 1 | |
13 | 0331186 | Spring, pressure relief | 1 | |
14 | 0314515 | Screw, lift bracket | 1 | |
15 | 0325211 | Gasket, water passage | 1 | |
16 | 0433561 | Cover, water passage | 1 | |
17 | 0302288 | Screw, cover | 12 | |
18 | 0432981 | Spark plug, Champion, QL78C | 2 | |
19 | 0315204 | Nut, stud | 1 | |
20 | 0335359 | Gasket, cylinder head | 1 | |
21 | 0332406 | Pin, roll, mount | 4 | |
22 | 0432618 | Cylinder head, all 40 models | 1 | |
22 | 0432619 | Cylinder head, all 25 & 50 models | 1 | |
23 | 0584592 | Temperature switch | 1 | |
24 | 0512947 | Terminal | 1 | |
25 | 0513185 | Sleeve | 1 | |
26 | 0331894 | Elbow, indicator | 1 | |
27 | 0330143 | Stud, double ended | 1 | |
28 | 0328701 | Washer, stud | 1 | |
29 | 0328740 | Nut | 1 | |
30 | 0329562 | Cover, temperature. switch | 1 | |
31 | 0 | Hose, overboard indicator, 28". cut to length from 310828 - 25 ft. 76M roll, 1/4 in. I. d | 1 | |
32 | 0330151 | Clamp, hose | 1 | |
33 | 0326023 | Lift ring | 1 | |
34 | 0303630 | Washer, plug | 1 | |
35 | 0330057 | Screw, plug | 1 | |
36 | 0393433 | Powerhead gasket set | 1 | |