| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM119810-01200 | BOLT | 04840- | |
| 2 | YM119812-01330 | GASKET (KIT) | 04840- | |
| YM119812-11700 | CYLINDER HEAD ASS'Y | 04840- | ||
| 3 | \6\ | HEAD,CYLINDER | 04840- | |
| 4 | YM124060-11800 | GUIDE | 04840- | |
| 5 | YM26216-060302 | STUD | 04840- | |
| 6 | YM27241-400000 | PLUG | 04840- | |
| 7 | YM119810-11100 | VALVE,INTAKE | 04840- | |
| 8 | YM119810-11110 | VALVE,EXHAUST | 04840- | |
| 9 | YM119810-11120 | SPRING | 04840- | |
| 10 | YM104211-11180 | SEAT | 04840- | |
| 11 | YM27310-070001 | COTTER | 04840- | |
| 12 | YM124160-11340 | SEAT,VALVE STEM (KIT) | 04840- | |
| 13 | YM124950-11340 | SEAT,VALVE STEM (KIT) | 04840- | |
| 14 | YM104211-11370 | CAP | 04840- | |
| 15 | YM119625-11870 | PROTECTOR (KIT) | 04840- | |
| 16 | YM119625-11880 | SEAT (KIT) | 04840- | |
| 17 | YM119625-11900 | RETAINER | 04840- | |
| 18 | YM22351-060012 | PIN | 04840- | |
| 19 | YM26366-060002 | NUT | 04840- |