| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM172164-74200 | BRACKET ASS'Y | 20001- | |
| 2 | YM172151-74601 | VALVE ASS'Y | 20001- | |
| 3 | YM182900-16530 | COVER | 20001- | |
| 4 | YM182900-22300 | SPRING | 20001- | |
| 5 | YM172151-74740 | PLATE | 20001- | |
| 6 | YM182900-77190 | BOLT | 20001- | |
| 7 | YM182900-77200 | BOLT | 20001- | |
| 8 | YM182900-77210 | SEAL,DUST | 20001- | |
| 9 | YM182900-77220 | COVER | 20001- | |
| 10 | YM182900-77230 | BOLT,WING | 20001- | |
| 11 | YM182900-77240 | BOLT | 20001- | |
| 12 | YM182900-77250 | LEVER | 20001- | |
| 13 | YM24190-100001 | BALL,STEEL | 20001- | |
| 14 | YM24311-000280 | O-RING | 20001- | |
| 15 | YM24321-000600 | O-RING | 20001- | |
| 16 | YM953KM0-00220 | WASHER | 20001- | |
| 17 | YM953KM0-00220 | WASHER | 20001- | |
| 18 | YM953KM0-10894 | PLUG | 20001- | |
| 19 | YM26013-100252 | BOLT | 20001- | |
| 20 | YM26013-100402 | BOLT | 20001- |