| Item | Part No. | Part Name | Qty | Serial No. |
| STANDARD | ||||
| YM129002-22081 | PISTON ASS'Y | 00289- | ||
| 1 | \6\ | PISTON | 00289- | |
| 2 | YM129002-22500 | PISTON RING ASS'Y | 00289- | |
| OVERSIZE 0.25MM | ||||
| 1 | YM129002-22900 | PISTON ASS'Y | 00289- | |
| 2 | YM129002-22950 | PISTON RING ASS'Y | 00289- | |
| 3 | YM129202-22300 | PIN,PISTON | 00289- | |
| 4 | YM22252-000260 | RING,SNAP | 00289- | |
| YM729402-23100 | CONNECTING ROD ASS'Y | 00289- | ||
| 5 | \6\ | ROD,CONNECTING | 00289- | |
| 6 | YM129100-23910 | BUSHING | 00289- | |
| STANDARD | ||||
| 7 | YM129150-23600 | CRANK PIN METAL A. | 00289- | |
| UNDERSIZE 0.25MM | ||||
| 7 | YM129150-23610 | CRANK PIN METAL A. | 00289- | |
| 8 | YM121550-23200 | BOLT | 00289- |