| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM129900-01200 | BOLT | 00101- | |
| 2 | YM129902-01331 | GASKET (KIT) | 02486- | |
| YM129902-01330 | GASKET (KIT) | 00101-02485 | ||
| YM729900-11100 | CYLINDER HEAD ASS'Y | 00101- | ||
| 3 | \6\ | HEAD,CYLINDER | 00101- | |
| 4 | YM129150-11810 | GUIDE,VALVE | 00101- | |
| 5 | YM23871-005000 | PLUG | 00101- | |
| 6 | YM27241-400000 | PLUG | 00101- | |
| 7 | YM129900-11100 | VALVE,INTAKE | 00101- | |
| 8 | YM129900-11110 | VALVE,EXHAUST | 00101- | |
| 9 | YM129900-11120 | SPRING | 00101- | |
| 10 | YM129795-11180 | SEAT | 00101- | |
| 11 | YM121400-11340 | SEAL,EXHAUST (KIT) | 00101- | |
| 12 | YM124460-11340 | SEAL,INTAKE (KIT) | 00101- | |
| 13 | YM129150-11370 | CAP | 00101- | |
| 14 | YM119625-11870 | PROTECTOR (KIT) | 00101- | |
| 15 | YM119625-11880 | SEAT (KIT) | 00101- | |
| 16 | YM119625-11900 | RETAINER | 00101- | |
| 17 | YM26216-060202 | STUD | 00101- | |
| 18 | YM26366-060002 | NUT | 00101- | |
| 19 | YM27310-080000 | COTTER | 00101- | |
| 20 | YM23876-030000 | PLUG | 02486- |