| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM119717-22080 | Piston Assembly | 4469- | |
| 1 | YM119717-22090 | Piston Assembly, Oversize 0.25mm | 4469- | |
| 2 | YM119717-22500 | Piston Ring Assembly | 4469- | |
| 2 | YM119717-22550 | Piston Ring Assembly, Oversize 0.25mm | 4469- | |
| 3 | YM119717-22300 | Pin | 4469- | |
| 4 | YM22252-000220 | Ring | 4469- | |
| 5 | YM119717-23000 | Connecting Rod Assembly | 4469- | |
| 6 | YM119717-23910 | Bushing | 4469- | |
| 7 | YM119717-23200 | Bolt | 4469- | |
| 8 | YM119717-23600 | Crank Pin Metal Assembly | 4469- | |
| 8 | YM119717-23610 | Crank Pin Metal Assembly, Undersized 0.25mm | 4469- |