| Item | Part No. | Part Name | Qty | Serial No. |
| ENGINE (SEE FIG. A0001-0100 ) | A10001 and UP- | |||
| YM129508-22080 | PISTON, STANDARD | |||
| 1 | (NSS) | PISTON | ||
| 2 | YM129004-22500 | RING SET, PISTON | ||
| OR | ||||
| YM129508-22900 | PISTON, +0.25 MM | |||
| 1 | (NSS) | PISTON | ||
| 2 | YM129004-22950 | RING SET, PISTON +0.25 MM | ||
| 3 | YM129202-22300 | PIN, PISTON | ||
| 4 | YM22252-000260 | RING, RETAINING | ||
| YM729402-23100 | ROD, CONNECTING | |||
| 5 | (NSS) | ROD | ||
| 6 | YM129100-23910 | BUSHING | ||
| 7 | YM121550-23200 | BOLT | ||
| 8 | (NSS) | CAP, BEARING | ||
| 9 | YM129150-23600 | BEARING, CRANKSHAFT STANDARD | ||
| OR | ||||
| YM129150-23610 | BEARING, CRANKSHAFT -0.25 MM |