| Ref | Part Number | Description |
| 1 |
0386251 |
PISTON & PIN ASSY, Std |
| 1A |
0386257 |
PISTON & PIN ASSY, .020 O,S . |
| 1B |
0386260 |
PISTON & PIN ASSY, .030 O.S . |
| 2 |
0396377 |
RING SET Standard This part replaces 0385807. |
| 2A |
0396378 |
RING SET, .020 O.S This part replaces 0385808. |
| 2B |
0396379 |
RING SET, .030 O.S This part replaces 0385809. |
| 3 |
0553556 |
SCREW, Housing to cylinder |
| 4 |
0302577 |
RETAINING RING |
| 5 |
0378251 |
BEARING SET, Needle, wrist pin |
| 6 |
0387465 |
CONNECTING ROD ASSY This part replaces 0385041. |
| 8 |
0437088 |
BEARING Assy This part replaces 0378528. |
| 9 |
0378515 |
BEARING SET, Needle,connecting rod |
| 10 |
0390900 |
ROLLER BEARING ASSY This part replaces 0383955. |
| 12 |
0313754 |
O RING |
| 14 |
0317160 |
CRANKSHAFT |
| 15 |
0310433 |
SLEEVE |
| 16 |
0378252 |
BEARING ASSY., Needle |
| 19 |
0308876 |
O RING CRANKCASE HEAD LOWER |
| 20 |
0395820 |
CRANKCASE HEAD ASSY. This part replaces 0385835. |