| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | (21D-01-00021) | ENGINE, ASSY. | ||
| \0 | (YM123911-51040) | PUMP, ASSY. | ||
| 1 | YMX0265141840 | GASKET | ||
| 2 | YMX1520620020 | HOUSING | ||
| 3 | YMX1520300200 | PUSH-ROD | ||
| 4 | YMX1521002301 | PISTON | ||
| 5 | YMX1521020400 | SPRING | ||
| 6 | YMX1521051500 | PLUG | ||
| 7 | YMX1395260000 | GASKET | ||
| 8 | YMX1521150500 | VALVE | ||
| 9 | YMX1521160200 | SPRING | ||
| 10 | YMX1521180900 | ADAPTOR | ||
| 11 | YMX0296316060 | O-RING | ||
| 12 | YMX1522006720 | PRIMING PUMP | ||
| 13 | YMX1523005920 | SCREW |