| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM705100-11520 | BONNET ASS'Y | 2501- | |
| 2 | YM22312-030180 | PIN | 2501- | |
| 3 | YM104200-03600 | SHAFT,DECOMPRESSION | 2501- | |
| 4 | YM24311-000070 | O-RING | 2501- | |
| 5 | YM104200-03641 | SPRING | 2501- | |
| 6 | YM104104-03750 | LEVER,DECOMPRESSION | 2501- | |
| 7 | YM22322-030180 | PIN,TAPER | 2501- | |
| 8 | YM105100-11310 | GASKET | 2501- | |
| 9 | YM26106-060202 | BOLT | 2501- | |
| 10 | YM26106-060602 | BOLT | 2501- |