| 1 | 457-746 | CYLINDER BLOCK ASS'Y | |
| 2 | 450-770 | PLUG | |
| 3 | 450-774 | PLUG | |
| 4 | 450-772 | PLUG | |
| 5 | 450-772 | PLUG | |
| 6 | 450-778 | PLUG | |
| 7 | 456-728 | BOLT | |
| 8 | 451-099 | BUSHING | |
| 9 | 450-794 | PLUG | |
| 10 | 450-796 | PLUG | |
| 11 | 450-177 | MAIN METAL ASS'Y (STD) | |
| |11 | 453-344 | MAIN METAL ASS'Y,0.25MM (US) | |
| 12 | 453-342 | THRUST METAL ASS'Y (STD) | |
| |12 | 453-345 | THRUST METAL ASS'Y,0.25MM (OS) | |
| 13 | 458-809 | SPACER |
