| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 459-823 | CYLINDER BLOCK ASS'Y | 00246- | |
| 2 | 450-772 | PLUG | 00246- | |
| 3 | 450-778 | PLUG | 00246- | |
| 4 | 450-770 | PLUG | 00246- | |
| 5 | 450-774 | PLUG | 00246- | |
| 6 | 450-794 | PLUG | 00246- | |
| 7 | 450-796 | PLUG | 00246- | |
| 8 | 456-703 | BOLT | 00246- | |
| 9 | 451-099 | BUSHING | 00246- | |
| 10 | 450-772 | PLUG | 00246- | |
| 11 | 459-910 | MAIN METAL ASS'Y (STD) | 00246- | |
| 453-285 | MAIN METAL ASS'Y,0.25MM (US) | 00246- | ||
| 12 | 458-042 | THRUST METAL ASS'Y (STD) | 00246- | |
| 458-043 | THRUST METAL ASS'Y,0.25MM (OS) | 00246- | ||
| 13 | 460-016 | SPACER | 00246- |