| Item | Part No. | Part Name | Qty | Serial No. |
| | ENGINE ASSEMBLY (SEE FIG. A0010-0101) | | |
| 1 | YM129150-14200 | TAPPET | | |
| 2 | YM129907-14400 | PUSH-ROD | | |
| 3 | YM129908-14581 | CAMSHAFT ASSEMBLY | | |
| 4 | YM129150-02450 | BEARING, THRUST | | |
| 5 | YM129900-14100 | GEAR | | |
| 6 | YM22512-070140 | KEY | | |
| 7 | YM26106-080162 | BOLT | | |
| 8 | YM123900-25060 | SHAFT | | |
| 9 | YM129900-25100 | GEAR ASSEMBLY | | |
| 10 | YM129150-25920 | BUSHING, IDLE GEAR - REPAIR PART | | |
| 11 | YM26106-080552 | BOLT | | |
| 12 | YM129953-25300 | BOLT | | |
| 13 | YM123907-25909 | FUEL INJECTION GEAR | | |
| 14 | | CYLINDER BLOCK ASSEMBLY (SEE FIG. A0050-0201) | | |
| 15 | | FLANGE, GEAR HOUSING (SEE FIG. A0060-0205) | | |
| 16 | | O-RING (SEE FIG. A0060-0205) | | |
