| Item | Part No. | Part Name | Qty | Serial No. |
| (175-15-01221) | TRANSMISSION ASS'Y | 31303-31563 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A1 TO F2320-63A1. | ||||
| 1 | 175-15-41310 | COLLAR | 31303-@ | |
| 2 | 04020-00616 | PIN | 31303-@ | |
| 3 | 07000-05290 | O-RING (K2) | 31303-@ | |
| 4 | 175-15-42122 | GEAR | 31303-@ | |
| 5 | 04064-06020 | RING | 31303-@ | |
| 6 | 175-15-42131 | GEAR | 31303-@ | |
| 7 | 04064-08530 | RING | 31303-@ | |
| 8 | 06000-06924 | BEARING | 31303-@ | |
| 9 | 06000-06924 | BEARING | 31303-@ | |
| 10 | 130-09-16780 | RING | 31303-@ | |
| 11 | 130-09-16780 | RING | 31303-@ | |
| 12 | 04070-00130 | RING | 31303-@ | |
| 13 | 175-15-42180 | SPRING | 31303-@ | |
| 14 | 234-21-12180 | NUT | 31303-@ | |
| 15 | 234-21-12190 | PLATE | 31303-@ | |
| 16 | 175-15-42220 | PIN | 31303-@ | |
| 17 | 234-21-12210 | PLATE | 31303-@ | |
| 18 | 01010-80814 | BOLT | 31303-@ | |
| 19 | 01010-81230 | BOLT | 31303-@ | |
| 20 | 01643-51232 | WASHER | 31303-@ |