| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM119810-22080 | PISTON ASS'Y (STD) | 03044- | |
| 1 | YM719810-22900 | PISTON ASS'Y,0.25MM (OS) | 03044- | |
| 2 | YM719865-22500 | PISTON RING ASS'Y (STD) | 03044- | |
| 2 | YM719810-22950 | PISTON RING ASS'Y,0.25MM (OS) | 03044- | |
| 3 | YM119810-22300 | PIN,PISTON | 03044- | |
| 4 | YM119810-22400 | RING,SNAP | 03044- | |
| 5 | YM719810-23700 | CONNECTING ROD A. (STD) | 03044- | |
| 6 | YM119810-23910 | BUSHING | 03044- | |
| 7 | YM719810-23600 | METAL,CRANK PIN (STD) | 03044- | |
| 7 | YM119810-23610 | CRANK PIN METAL A.,CRANK PIN (US) | 03044- | |
| 8 | YM119810-23200 | BOLT | 03044- |