| Item | Part No. | Part Name | Qty | Serial No. |
| STANDARD | ||||
| 1 | YM129105-22080 | PISTON ASS'Y | 17493- | |
| 2 | YM129105-22500 | PISTON RING ASS'Y | 17493- | |
| OVERSIZE 0.25MM | ||||
| 1 | YM729105-22900 | PISTON ASS'Y | 17493- | |
| 2 | YM729157-22951 | PISTON RING ASS'Y | 17493- | |
| OVERSIZE 0.50MM | ||||
| 1 | YM129105-22920 | PISTON ASS'Y | 17493- | |
| 2 | YM129105-22970 | PISTON RING ASS'Y | 17493- | |
| 3 | YM129150-22300 | PIN,PISTON | 17493- | |
| 4 | YM121100-22400 | RING,SNAP | 17493- | |
| 5 | YM729150-23700 | CONNECTING ROD ASS'Y | 17493- | |
| 6 | YM129100-23910 | BUSHING | 17493- | |
| 7 | YM129150-23600 | CRANK PIN METAL A. (STD) | 17493- | |
| YM129150-23610 | CRANK PIN METAL A.,0.25MM (US) | 17493- | ||
| 8 | YM121550-23200 | BOLT | 17493- |