| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM129150-01200 | BOLT,HEAD | 00101- | |
| 2 | YM129002-01331 | GASKET,HEAD (KIT) | 00101- | |
| YM729202-11710 | CYLINDER HEAD ASS'Y | 00101- | ||
| 3 | \6\ | HEAD,CYLINDER | 00101- | |
| 4 | YM120130-11860 | GUIDE,VALVE, INTAKE | 00101- | |
| 5 | YM129150-11810 | GUIDE,VALVE, EXHAUST | 00101- | |
| 6 | YM23871-020000 | PLUG | 00101- | |
| 7 | YM23871-030000 | PLUG | 00101- | |
| 8 | YM26216-060202 | STUD | 00101- | |
| 9 | YM27241-220000 | PLUG | 00101- | |
| 10 | YM27241-400000 | PLUG | 00101- | |
| 11 | YM129470-11080 | SEAT,INTAKE VALVE | 00101- | |
| 12 | YM129470-11090 | SEAT,EXHAUST VALVE | 00101- | |
| 13 | YM129100-11100 | VALVE,INTAKE | 00101- | |
| 14 | YM129795-11120 | SPRING | 00101- | |
| 15 | YM129100-11130 | VALVE,EXHAUST | 00101- | |
| 16 | YM129795-11180 | SEAT,SPRING | 00101- | |
| 17 | YM27310-080000 | COTTER,VALVE | 00101- | |
| 18 | YM121400-11340 | SEAL,VALVE, EXHAUST | 00101- | |
| 19 | YM124460-11340 | SEAL,VALVE, INTAKE | 00101- | |
| 20 | YM129150-11370 | CAP | 00101- | |
| 21 | YM22351-060012 | PIN,SPRING | 00101- | |
| 22 | YM26366-060002 | NUT | 00101- | |
| 23 | YM119625-11871 | PROTECTOR | 00261- | |
| 23 | \1\YM119625-11870 | PROTECTOR | 00101-00260 | |
| 24 | YM119625-11880 | SEAT | 00101- | |
| 25 | YM119625-11900 | RETAINER | 00101- |