| Item | Part No. | Part Name | Qty | Serial No. |
| YM729335-01612 | GEAR CASE ASS'Y | 01121- | ||
| \0\YM729335-01611 | GEAR CASE ASS'Y | 01001-01120 | ||
| 1 | \6\ | CASE | 01121- | |
| 1 | \6\ | CASE | 01001-01120 | |
| 2 | YM124060-01050 | PLUG | 01001- | |
| 3 | YM121450-01560 | STUD | 01001- | |
| 4 | YM26716-080002 | NUT | 01001- | |
| 5 | YM22217-080000 | WASHER | 01001- | |
| 6 | YM22351-040010 | PIN | 01001- | |
| 6A | YM121085-01890 | PLUG | 01121- | |
| 7 | YM171051-01550 | COVER | 01001- | |
| 8 | YM121450-01531 | PACKING | 01001- | |
| 9 | YM26116-060142 | BOLT | 01001- | |
| 10 | YM22217-060000 | WASHER | 01001- | |
| 11 | YM24101-063050 | BEARING,BALL | 01001- | |
| 12 | YM26581-080102 | SCREW | 01001- | |
| 13 | YM121575-01510 | PACKING | 01001- | |
| 14 | YM26116-080752 | BOLT | 01001- | |
| 15 | YM26116-080852 | BOLT | 01001- | |
| 16 | YM26116-081152 | BOLT | 01001- | |
| 17 | YM22117-080000 | WASHER | 01001- | |
| 18 | YM121450-01801 | SEAL, FRONT | 01001- | |
| 19 | YM129301-02801 | HOUSING | 01001- | |
| 20 | YM24101-062024 | BEARING,BALL | 01001- | |
| 21 | YM24341-000460 | O-RING | 01001- | |
| 22 | YM26116-080162 | BOLT | 01001- | |
| 23 | YM23414-080000 | GASKET | 01001- |