| Item | Part No. | Part Name | Qty | Serial No. |
| YM729012-01560 | CYLINDER BLOCK ASS'Y | 00101- | ||
| 1 | \6\ | BLOCK,CYLINDER | 00101- | |
| 2 | YM124160-01910 | PLUG | 00101- | |
| 3 | YM171051-01921 | PLUG | 00101- | |
| 4 | YM129150-02020 | BOLT | 00101- | |
| 5 | YM23871-010000 | PLUG | 00101- | |
| 6 | YM27231-500000 | PLUG | 00101- | |
| 7 | YM27241-120000 | PLUG | 00101- | |
| 8 | YM27241-300000 | PLUG | 00101- | |
| 9 | YM129001-02800 | MAIN METAL ASS'Y | 00101- | |
| YM129150-02870 | MAIN METAL ASS'Y,0.25MM (US) | 00101- | ||
| 10 | YM129150-02930 | THRUST METAL ASS'Y | 00101- | |
| YM129150-02940 | THRUST METAL ASS'Y,0.25MM (OS) | 00101- | ||
| 11 | YM129795-02411 | BUSHING | 00101- | |
| 12 | YM129792-39410 | VALVE ASS'Y,CHECK | 00101- | |
| 13 | YM129553-39650 | NOZZLE,PISTON COOLING | 00101- | |
| 14 | YM22351-030010 | PIN,SPRING | 00101- |