| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM729001-01560 | CYLINDER BLOCK ASS'Y | | 00101- |
| 2 | YM124160-01910 | PLUG | | 00101- |
| 3 | YM171051-01921 | PLUG | | 00101- |
| 4 | YM23871-010000 | PLUG | | 00101- |
| 5 | YM27231-500000 | PLUG | | 00101- |
| 6 | YM27241-120000 | PLUG | | 00101- |
| 7 | YM27241-300000 | PLUG | | 00101- |
| 8 | YM129150-02020 | BOLT | | 00101- |
| 9 | YM129001-02800 | MAIN METAL ASS'Y (STD) | | 00101- |
| \6\ | METAL,UPPER (STD) | | 00101- |
| \6\ | METAL,LOWER (STD) | | 00101- |
| YM129150-02870 | MAIN METAL ASS'Y,0.25MM (US) | | 00101- |
| \6\ | METAL¤ 0.25MM,UPPER (US) | | 00101- |
| \6\ | METAL¤ 0.25MM,LOWER (US) | | 00101- |
| 10 | YM129150-02930 | THRUST METAL ASS'Y (STD) | | 00101- |
| \6\ | METAL,UPPER (STD) | | 00101- |
| \6\ | METAL,LOWER (STD) | | 00101- |
| YM129150-02940 | THRUST METAL ASS'Y,0.25MM (OS) | | 00101- |
| \6\ | METAL¤ 0.25MM,UPPER (OS) | | 00101- |
| \6\ | METAL¤ 0.25MM,LOWER (OS) | | 00101- |
| 11 | YM129795-02411 | BUSHING | | 00101- |
