| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM119260-01200 | BOLT | 00122- | |
| 2 | YM119309-01330 | GASKET (KIT) | 00122- | |
| YM719325-11700 | CYLINDER HEAD ASS'Y | 00122- | ||
| 3 | \6\ | HEAD,CYLINDER | 00122- | |
| 4 | YM119260-11800 | GUIDE,VALVE | 00122- | |
| 5 | YM27241-350000 | PLUG | 00122- | |
| 6 | YM23876-020000 | PLUG | 10056- | |
| YM23871-020000 | PLUG | 00122-10055 | ||
| 7 | YM27221-050080 | PLUG | 00122- | |
| 8 | YM119260-11100 | VALVE,INTAKE | 00122- | |
| 9 | YM119260-11110 | VALVE,EXHAUST | 00122- | |
| 10 | YM114250-11120 | SPRING | 00122- | |
| 11 | YM114250-11180 | SEAL | 00122- | |
| 12 | YM27310-055000 | COTTER | 00122- | |
| 13 | YM119260-11340 | SEAT (KIT) | 00122- | |
| 14 | YM119260-11370 | CAP | 00122- | |
| 15 | YM22351-060012 | PIN | 00122- | |
| 16 | YM119600-11450 | PROTECTOR (KIT) | 00122- | |
| 17 | YM119600-11460 | GASKET (KIT) | 00122- |