| Item | Part No. | Part Name | Qty | Serial No. |
| YM771058-11700 | CYLINDER HEAD A. | 13021- | ||
| YM129300-11000 | CYLINDER HEAD ASS'Y | 13021- | ||
| 1 | \6\ | HEAD,CYLINDER | 13021- | |
| 2 | YM129322-11080 | SEAT,INTAKE VALVE | 13021- | |
| 3 | YM23871-020000 | PLUG | 13021- | |
| 4 | YM23871-030000 | PLUG | 13021- | |
| 5 | YM124450-11161 | GUIDE,INTAKE VALVE | 13021- | |
| 6 | YM129300-11170 | GUIDE,EXHAUST VALVE | 13021- | |
| 7 | YM129322-11100 | VALVE,INTAKE | 13021- | |
| 8 | YM129322-11110 | VALVE,EXHAUST | 13021- | |
| 9 | YM124460-11340 | SEAL,VALVE | 13021- | |
| 10 | YM104511-11120 | SPRING | 13021- | |
| 11 | YM103338-11180 | SEAT,SPRING | 13021- | |
| 12 | YM103338-11190 | COTTER,VALVE | 13021- | |
| 13 | YM104511-11370 | CAP | 13021- | |
| 14 | YM105225-11350 | STUD | 13021- | |
| 15 | YM26696-100002 | NUT | 13021- | |
| 16 | YM22137-100000 | WASHER | 13021- | |
| 17 | YM26216-080652 | STUD | 13021- | |
| 18 | YM121465-11950 | NUT | 13021- | |
| 19 | YM26216-080952 | STUD | 13021- | |
| 20 | YM26366-080002 | NUT | 13021- | |
| 21 | YM26216-080652 | STUD | 13021- | |
| 22 | YM26366-080002 | NUT | 13021- | |
| 23 | YM129301-11670 | COVER | 13021- | |
| 24 | YM23871-030000 | PLUG | 13021- | |
| 25 | YM121450-11680 | PACKING | 13021- | |
| 26 | YM26106-080122 | BOLT | 13021- | |
| 27 | YM129322-01330 | GASKET,HEAD (KIT) | 13021- | |
| 28 | YM129350-01200 | BOLT,HEAD | 13021- | |
| 29 | YM129350-01230 | BOLT,HEAD | 13021- | |
| 30 | YM121575-07230 | HOOK | 13021- | |
| 31 | YM129305-07950 | NUT | 13021- | |
| 32 | YM124736-07900 | HOOK | 13021- | |
| 33 | YM26106-080162 | BOLT | 13021- |