| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM719812-11700 | CYLINDER HEAD ASS'Y | 00501- | |
| 2 | YM121850-11860 | PLUG | 00501- | |
| 3 | YM23871-030000 | PLUG | 00501- | |
| 4 | YM27241-220000 | PLUG | 00501- | |
| 5 | YM27241-400000 | PLUG | 00501- | |
| 6 | YM119810-11100 | VALVE,INTAKE | 00501- | |
| 7 | YM119810-11110 | VALVE,EXHAUST | 00501- | |
| 8 | YM124950-11340 | SEAT,INTAKE | 00501- | |
| 9 | YM124160-11340 | SEAT,EXHAUST | 00501- | |
| 10 | YM119810-11120 | SPRING | 00501- | |
| 11 | YM104211-11180 | SEAT,SPRING | 00501- | |
| 12 | YM101158-11190 | COTTER,VALVE | 00501- | |
| 13 | YM104211-11370 | CAP | 00501- | |
| 14 | YM26216-060302 | STUD | 00501- | |
| 15 | YM26366-060002 | NUT | 00501- | |
| 16 | YM22351-060012 | PIN,SPRING | 00501- | |
| 17 | YM124060-11800 | GUIDE,VALVE | 00501- | |
| 18 | YM119812-01330 | GASKET,HEAD (KIT) | 00501- | |
| 19 | YM119810-01200 | BOLT,HEAD | 00501- | |
| 20 | YM119260-07900 | HOOK | 00501- | |
| 21 | YM124736-07900 | HOOK | 00501- | |
| 22 | YM26106-080142 | BOLT | 00501- |