Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 0396776 | Cylinder & crankcase assembly 6 | 1 | |
1 | 0395884 | Cylinder & crankcase assembly. 8 models only | 1 | |
2 | 0321830 | Seal, crank shaft | 1 | |
4 | 0314951 | Screw, cylinder. to crankcase 6 | 4 | |
4 | 0323836 | Screw, cylinder. to crankcase. 8 models only | 4 | |
5 | 0318622 | Screw, cylinder to crankcase | 6 | |
6 | 0300402 | Taper pin | 1 | |
7 | 0328157 | Tube, crankcase drain | 1 | |
8 | 0328156 | Tube, crankcase drain | 1 | |
10 | 0330533 | Yoke, throttle lever | 1 | |
11 | 0304051 | Washer, screw | 1 | |
12 | 0330532 | Bushing, yoke to lever | 1 | |
13 | 0305650 | Cotter pin, throttle lever | 2 | |
14 | 0325542 | Bushing, screw lever | 1 | |
15 | 0307472 | Washer, pin | 1 | |
16 | 0327444 | Cylinder head | 1 | |
16 | 0328994 | Cylinder head. 8 models only | 1 | |
17 | 0325273 | Gasket, cylinder head | 1 | |
18 | 0319226 | Screw, cylinder head | 6 | |
19 | 0328051 | Spring, thermostat | 1 | |
20 | 0328388 | Hose, indicator 12" long | 1 | |
21 | 0387633 | Spark plug, Champion QL77J4. radio noise suppression spark plug | 2 | |
21 | 0389471 | Spark plug, Champion L78V | 2 | |
22 | 0393659 | Thermostat | 1 | |
23 | 0329319 | Gasket, thermostat | 1 | |
24 | 0329076 | Gasket, thermostat cover | 1 | |
25 | 0330072 | Cap, thermostat | 1 | |
26 | 0308751 | Screw, thermostat cover | 3 | |
27 | 0327259 | Exhaust cover, outer | 1 | |
28 | 0328702 | Washer, pivot pin | 1 | |
29 | 0327258 | Exhaust cover, inner | 1 | |
29 | 0329048 | Exhaust cover, inner. 8 models only | 1 | |
30 | 0314951 | Screw, cover | 6 | |
30 | 0324474 | Screw, cover. 8 models only | 6 | |
32 | 0325271 | Gasket, cover | | |
32 | 0329080 | Gasket, exhaust cover to pwhd. 8 models only | 1 | |
33 | 0324685 | Connector, cable to powerhead | 1 | |
34 | 0310947 | Clamp | 1 | |
35 | 0307841 | Bushing, link & lever | 2 | |
36 | 0326618 | Screw, clamp | 1 | |
37 | 0321886 | Elbow, indicator | 1 | |
38 | 0310525 | Anchor pin, yoke to lever | 1 | |
39 | 0325310 | Lever, throttle advance | 1 | |
40 | 0325291 | Screw, lever to cover | 1 | |
41 | 0306413 | Washer, clamp | 1 | |
42 | 0331783 | Stop, idle spark | 1 | |
43 | 0329594 | Screw, stop | 1 | |
44 | 0395743 | Powerhead gasket set | 1 | |
44 | 0395735 | Powerhead gasket set. 8 models only | 1 | |