| Item | Part No. | Part Name | Qty | Serial No. |
| 23S-57-00010 | SEAT ASS'Y | 1001- | ||
| 1 | 23S-57-12210 | SEAT | 1001- | |
| 2 | 23S-57-12220 | SEAT | 1001- | |
| 3 | 23S-57-12240 | LEVER | 1001- | |
| 4 | 01010-51020 | BOLT | 1001- | |
| 5 | 01602-21030 | WASHER | 1001- | |
| 6 | 01010-51020 | BOLT | 1001- | |
| 7 | 01602-21030 | WASHER | 1001- | |
| 8 | 203-57-21330 | SPACER | 1001- | |
| 9 | 205-57-72411 | REST | 1001- | |
| 10 | 205-57-72420 | HOLDER | 1001- | |
| 11 | 205-57-72430 | SPRING | 1001- | |
| 12 | 205-57-63520 | ADJUSTER | 1001- | |
| 13 | 205-57-63530 | ADJUSTER | 1001- | |
| 14 | 01580-11210 | NUT | 1001- | |
| 15 | 01602-21236 | WASHER | 1001- | |
| 16 | 205-57-63540 | BAR | 1001- | |
| 17 | 23S-57-12390 | STAND | 1001- | |
| 18 | 01010-51225 | BOLT | 1001- | |
| 19 | 01602-21236 | WASHER | 1001- | |
| 20 | 01643-31232 | WASHER | 1001- | |
| 21 | 01580-11210 | NUT | 1001- | |
| 22 | 01602-21236 | WASHER | 1001- | |
| 23 | 01643-31232 | WASHER | 1001- | |
| 24 | 09409-10000 | BELT | 1001- |