| Item | Part No. | Part Name | Qty | Serial No. |
| 22L-01-21700 | COUPLING | 20002-20500 | ||
| 1 | 22L-01-21710 | RUBBER | 20002-20500 | |
| 2 | 22L-01-21720 | BOSS | 20002-20500 | |
| 3 | 04025-00512 | PIN,SPRING | 20002-20500 | |
| 4 | 01252-31240 | BOLT | 20002-20500 | |
| 5 | 01252-31240 | BOLT | 20002-20500 | |
| 6 | 22L-01-27311 | COVER | 20002-20500 | |
| 7 | 01010-81025 | BOLT | 20002-20500 | |
| 8 | 01643-31032 | WASHER | 20002-20500 |