| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM719717-01560 | CYLINDER BLOCK ASS'Y | 00101- | |
| 2 | YM124060-01050 | PLUG | 00101- | |
| 3 | YM105311-01090 | PLUG | 00101- | |
| 4 | YM119623-01250 | PLUG | 00101- | |
| 5 | YM124160-01910 | PLUG | 00101- | |
| 6 | YM119285-01990 | PLUG | 00101- | |
| 7 | YM119620-02020 | BOLT | 00101- | |
| 8 | YM119717-02410 | BUSHING | 00101- | |
| 9 | YM27241-120000 | PLUG | 00101- | |
| 10 | YM719717-02900 | MAIN METAL ASS'Y (STD) | 00101- | |
| 10 | YM719717-02910 | MAIN METAL ASS'Y,0.25MM (US) | 00101- | |
| 11 | YM119717-02930 | THRUST METAL ASS'Y (STD) | 00101- | |
| 11 | YM119810-02940 | THRUST METAL ASS'Y,0.25MM (OS) | 00101- |