| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM729906-01560 | CYLINDER BLOCK ASS'Y | 00101- | |
| 2 | YM129900-01250 | PLUG | 00101- | |
| 3 | YM171051-01921 | PLUG | 00101- | |
| 4 | YM129900-02020 | BOLT | 00101- | |
| 5 | YM129900-02410 | BUSHING | 00101- | |
| 6 | YM22351-060012 | PIN,SPRING | 00101- | |
| 7 | YM23876-030000 | PLUG | 00101- | |
| 8 | YM23876-030000 | PLUG | 00101- | |
| 9 | YM23876-030000 | PLUG | 00101- | |
| 10 | YM27241-300000 | PLUG | 00101- | |
| 11 | YM729900-02800 | MAIN METAL ASS'Y (STD) | 00101- | |
| 11 | YM129900-02340 | MAIN METAL ASS'Y,0.25MM (US) | 00101- | |
| 12 | YM129900-02930 | THRUST METAL ASS'Y (STD) | 00101- | |
| 12 | YM129900-02940 | THRUST METAL ASS'Y,0.25MM (OS) | 00101- | |
| 13 | YM129907-01190 | SPACER | 00101- |