| Item | Part No. | Part Name | Qty | Serial No. |
| STANDARD | ||||
| 1 | YM129105-22080 | PISTON ASS'Y | 3845- | |
| 2 | YM129105-22500 | PISTON RING ASS'Y | 3845- | |
| OVERSIZE 0.25MM | ||||
| 1 | YM729105-22900 | PISTON ASS'Y | 3845- | |
| 2 | YM729157-22951 | PISTON RING ASS'Y | 3845- | |
| OVERSIZE 0.50MM | ||||
| 1 | YM129105-22920 | PISTON ASS'Y | 3845- | |
| 2 | YM129105-22970 | PISTON RING ASS'Y | 3845- | |
| 3 | YM129150-22300 | PIN,PISTON | 3845- | |
| 4 | YM121100-22400 | RING,SNAP | 3845- | |
| YM729402-23100 | CONNECTING ROD ASS'Y | 6676- | ||
| YM729150-23700 | CONNECTING ROD ASS'Y | 3845-6675 | ||
| 5 | \6\ | ROD,CONNECTING | 3845- | |
| 6 | YM121550-23200 | BOLT | 3845- | |
| STANDARD | ||||
| 7 | YM129150-23600 | CRANK PIN METAL A. | 3845- | |
| UNDERSIZE 0.25MM | ||||
| 7 | YM129150-23610 | CRANK PIN METAL A. | 3845- | |
| 8 | YM129100-23910 | BUSHING,CONNECTING ROD (SERVICE PARTS) | 3845- |