Parts Diagram | ## | Part # | Description | Qty | Notes |
| 1 | 0435546 | Piston & pin assembly, standard | 2 | |
2 | 0436731 | Ring set, standard | 2 | |
1 | 0436734 | Piston & ring assembly, 0.030 in. o. s | 2 | |
2 | 0436732 | Ring set, 0.030 o. s | 2 | |
3 | 0317831 | Retaining ring | 4 | |
4 | 0395861 | Connecting rod assembly | 2 | |
5 | 0308186 | Screw, rod cap | 2 | |
6 | 0322188 | Wrist pin | 2 | |
7 | 0437088 | Bearing assembly, rod to crank shaft | 2 | |
8 | 0398529 | Bearing & seal assembly, crank shaft | 1 | |
9 | 0321895 | Seal, crank shaft | 1 | |
10 | 0313754 | O-ring, upper bearing | 1 | |
11 | 0120395 | Key, flywheel | 1 | |
12 | 0338267 | Crank shaft | 1 | |
13 | 0310433 | Split sleeve, center bearing | 1 | |
14 | 0378252 | Retainer & needle assembly | 1 | |
15 | 0431987 | Bearing assembly | 1 | |
16 | 0305132 | Retaining ring | 1 | |
17 | 0308876 | O-ring, crankcase head | 1 | |
18 | 0435702 | Housing assembly, lower | 1 | |
19 | 0339014 | Seal, drive shaft | 1 | |
20 | 0331103 | Seal, crank shaft | 1 | |
21 | 0553556 | Screw, crankcase head mounting | 4 | |
22 | 0395627 | Retainer & bearing kit | 2 | |