Parts Diagram | ## | Part # | Description | Qty | Notes |
| 0393284 | 0393284 | Cylinder & crankcase assembly 50 models. not shown | 1 | |
0391172 | 0391172 | Cylinder & crankcase assembly 60 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 cylinder | 2 | |
5 | 0308752 | Screw, main bearing. upper & lower | 4 | |
6 | 0308742 | Screw, crankcase to cylinder | 8 | |
7 | 0306015 | Washer, shift lever | 1 | |
8 | 0329265 | Screw, clamp | 1 | |
9 | 0310441 | Clamp, primer lead | 1 | |
10 | 0321527 | Screw, shift lever to shaft | 1 | |
11 | 0307267 | Screw, cylinder head | 10 | |
12 | 0378065 | Thermostat assembly | 1 | |
13 | 0310058 | Gasket, thermostat | 1 | |
14 | 0316132 | Grommet, valve | 1 | |
15 | 0317653 | Valve, pressure relief | 1 | |
16 | 0315626 | Spring, valve | 1 | |
17 | 0315538 | Gasket, cover to head | 1 | |
18 | 0322898 | Cover, cylinder head | 1 | |
19 | 0323359 | Screw, head cover | | |
20 | 0386941 | Spark plug, Champion L-77J4. alternate spark plug for sustained full throttle operation-Champion L-78V, part number 389471 | 2 | |
20 | 0387633 | Spark plug, Champion QL77J4. radio noise suppression spark plug | 2 | |
20 | 0390659 | Spark plug, Champion QL78V. radio noise suppression spark plug | 2 | |
21 | 0376349 | Ground strap | 1 | |
22 | 0310439 | Clamp, motor cable | 1 | |
23 | 0310525 | Pin, yoke to cam | 1 | |
24 | 0551793 | Screw, frame to crankcase | 2 | |
25 | 0314515 | Screw, lift bracket | 1 | |
26 | 0325211 | Gasket, water passage | 1 | |
27 | 0325308 | Cover, water passage | 1 | |
28 | 0302288 | Screw, cover | 12 | |
29 | 0328064 | Nut, shift lever | 1 | |
30 | 0317714 | Frame, crank case | 1 | |
31 | 0318205 | Shoulder screw, shift lever | 1 | |
32 | 0316037 | Screw, throttle cam | 1 | |
33 | 0328708 | Washer, throttle cam | 1 | |
34 | 0320535 | Spring washer, shift lever | 1 | |
35 | 0309322 | Clamp | 2 | |
36 | 0311015 | Bushing, throttle cam | 1 | |
37 | 0328703 | Washer | 1 | |
38 | 0328702 | Washer | 1 | |
39 | 0315204 | Nut, stud | 1 | |
40 | 0314098 | Washer, throttle lever | 1 | |
41 | 0320971 | Lever, spark advance | 1 | |
42 | 0314003 | Bushing, spark lever | 1 | |
43 | 0314094 | Spring, throttle lever | 1 | |
44 | 0389123 | Lever, throttle control | 1 | |
45 | 0306015 | Washer | 1 | |
46 | 0328064 | Nut | 1 | |
47 | 0328736 | Washer, advance screw | 1 | |
48 | 0319835 | Throttle cam | 1 | |
49 | 0317755 | Clamp, motor cable | 1 | |
50 | 0319253 | Fitting, crank case | 1 | |
51 | 0306337 | Screw, idle adjustment | 1 | |
52 | 0203688 | Nut, adjustment screw | 1 | |
53 | 0308993 | Spring, adjustment screw | 1 | |
54 | 0304753 | Nut, spark advance | 1 | |
55 | 0328702 | Washer, rod & link | 4 | |
56 | 0305650 | Cotter pin | 5 | |
57 | 0314125 | Bushing, throttle rod to lever | 1 | |
58 | 0316101 | Screw, spark advance | 1 | |
59 | 0320536 | Stop, idle adjustment | 1 | |
60 | 0312316 | Screw, idle stop | 1 | |
61 | 0313700 | Socket, linkage | 1 | |
62 | 0313703 | Ball, timber base & spark advance | 2 | |
63 | 0327795 | Gasket, cylinder head | 1 | |
64 | 0325602 | Cylinder head, 60 models | 1 | |
64 | 0325603 | Cylinder head, 50 | 1 | |
65 | 0312708 | Bushing, shift shaft lever | 2 | |
66 | 0329890 | Rod, spark advance | 1 | |
67 | 0314099 | Washer, lever to cylinder | 1 | |
68 | 0311328 | Bolt, double end | | |
69 | 0308825 | Screw, throttle stop | 1 | |
70 | 0314416 | Bumper, advance screw | 1 | |
71 | 0316045 | Yoke, throttle cam | 1 | |
72 | 0305513 | Screw, throttle lever to cylinder | 1 | |
73 | 0329889 | Rod, lever to cam | 1 | |
74 | 0327589 | Pin, shift lever to shift rod | 1 | |
75 | 0553766 | Spring washer, shoulder screw | 1 | |
76 | 0318197 | Pin, link | 2 | |
77 | 0315081 | Bushing, shoulder screw | 1 | |
78 | 0386686 | Temperature switch | 1 | |
79 | 0303806 | Tubing, insulation | 1 | |
80 | 0130524 | Screw, frame to crankcase | 1 | |
81 | 0391284 | Shift lever assembly, crankcase | 1 | |
82 | 0309040 | Clamp, temperature switch lead | 1 | |
83 | 0318384 | Washer, shoulder screw | 1 | |
84 | 0310440 | Clamp, cable | 2 | |
85 | 0326644 | Lever, shift rod | 1 | |
86 | 0327832 | Link, shift lever | 1 | |
87 | 0320302 | Bushing, link to lever | 1 | |
88 | 0393697 | Shift lever & bushing pkg | 1 | |
89 | 0321281 | Bushing, shift lever | 1 | |
90 | 0303480 | Washer | 2 | |
91 | 0302290 | Lock washer, pin | 1 | |
92 | 0326023 | Lift ring | 1 | |
93 | 0314002 | Bushing, throttle lever | 1 | |
94 | 0321886 | Elbow, indicator | 1 | |
95 | 0327721 | Hose, indicator | 1 | |
96 | 0301472 | Nut | 2 | |
97 | 0392669 | Powerhead gasket set | 1 | |