| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM119810-22080 | PISTON ASS'Y | 00101- | |
| 2 | YM719865-22500 | PISTON RING ASS'Y | 00101- | |
| 3 | YM119810-22300 | PIN,PISTON | 00101- | |
| 4 | YM119810-22400 | RING,SNAP | 00101- | |
| 5 | YM719810-23700 | CONNECTING ROD A. | 00101- | |
| 6 | YM119810-23100 | BUSHING | 00101- | |
| 7 | YM719810-23600 | METAL | 00101- | |
| 8 | YM119810-23200 | BOLT | 00101- |