| Item | Part No. | Part Name | Qty | Serial No. |
| YM121450-22090 | PISTON ASS'Y | 1001- | ||
| 1 | \6\ | PISTON | 1001- | |
| YM721450-22500 | PISTON RING ASS'Y | 1001- | ||
| 2 | \6\ | RING,PISTON | 1001- | |
| 3 | \6\ | RING,PISTON | 1001- | |
| 4 | \6\ | RING,OIL | 1001- | |
| 5 | \6\ | EXPANDER,OIL | 1001- | |
| 6 | YM105225-22300 | PIN,PISTON | 1001- | |
| 7 | YM105225-22400 | RING | 1001- | |
| YM705311-23100 | CONNECTING ROD A.,CONNECTING | .- | ||
| \0\YM705225-23100 | ROD,CONNECTING | 1001-. | ||
| 8 | \6\ | ROD,CONNECTING | 1001- | |
| 9 | YM105225-23100 | METAL,PISTON PIN | 1001- | |
| 10 | YM105225-23200 | BOLT,ROD | 1001- | |
| 11 | YM705311-23600 | METAL ASS'Y,CRANK PIN | .- | |
| \0\YM705225-23600 | METAL,CRANK PIN | 1001-. |