| # | Part number | Description | Note | Quantity | |
|---|---|---|---|---|---|
| 1 | 121820-22090 | PISTON ASSY | |||
| 1 | 121922-22090 | PISTON ASSY | |||
| 3 | 721850-22500 | RING SET, PISTON | |||
| 3 | 721952-22500 | RING SET, PISTON | |||
| 7 | 121850-22300 | PIN, PISTON | |||
| 8 | 101400-22400 | CIRCLIP | |||
| 11 | 721850-23100 | ROD ASSY, CONNECTING | |||
| 13 | 121850-23110 | BEARING, PISTON PIN | |||
| 14 | 121850-23200 | BOLT, CONNECTING ROD | |||
| 15 | 724610-23600 | BEARING, CRANK PIN |