| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM705090-11700 | CYLINDER HEAD A. | 5001- | |
| 2 | YM27231-150000 | PLUG | 5001- | |
| 3 | YM105300-11330 | PIN | 5001- | |
| 4 | YM105090-11100 | VALVE,INTAKE | 5001- | |
| 5 | YM105090-11111 | VALVE,EXHAUST | 5001- | |
| 6 | YM105400-11121 | SPRING,VALVE | 5001- | |
| 7 | YM101158-11180 | SEAT,SPRING | 5001- | |
| 8 | YM27310-070000 | COTTER | 5001- | |
| 9 | YM26216-080452 | STUD | 5001- | |
| 10 | YM26366-080002 | NUT | 5001- | |
| 11 | YM105215-01200 | STUD | 5001- | |
| 12 | YM121450-01220 | NUT | 5001- | |
| 13 | YM26216-060402 | STUD | 5001- | |
| 14 | YM26366-060002 | NUT | 5001- | |
| 15 | YM105090-01331 | GASKET,CYLINDER HEAD (KIT) | 5001- | |
| 16 | YM105010-11920 | COCK | 5001- |