| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 456-727 | BOLT | 00101- | |
| 2 | 452-564 | GASKET (KIT) | 00101- | |
| 452-783 | CYLINDER HEAD ASS'Y | 00101- | ||
| 3 | HEAD,CYLINDER | 00101- | ||
| 4 | 452-742 | GUIDE,INTAKE VALVE | 00101- | |
| 5 | 452-745 | GUIDE,EXHAUST VALVE | 00101- | |
| 6 | 453-922 | STUD | 00101- | |
| 7 | 450-798 | PLUG | 00101- | |
| 8 | 453-045 | VALVE,INTAKE | 00101- | |
| 9 | 452-373 | VALVE,EXHAUST | 00101- | |
| 10 | 453-855 | SPRING | 00101- | |
| 11 | 450-938 | SEAT | 00101- | |
| 12 | 451-654 | COTTER | 00101- | |
| 13 | 456-163 | SEAL,EXHAUST (KIT) | 00101- | |
| 14 | 456-165 | SEAL,INTAKE (KIT) | 00101- | |
| 15 | 451-223 | CAP | 00101- | |
| 16 | 456-161 | SEAT (KIT) | 00101- | |
| 17 | 450-931 | RETAINER | 00101- | |
| 18 | 450-827 | PROTECTOR (KIT) | 19320- | |
| 450-825 | PROTECTOR (KIT) | 17626-19319 | ||
| 450-826 | PROTECTOR (KIT) | 13912-17625 | ||
| 450-825 | PROTECTOR (KIT) | 00101-13911 | ||
| 19 | 454-273 | PIN,SPRING | 00101- | |
| 20 | 454-989 | NUT | 00101- |