| Item | Part No. | Part Name | Qty | Serial No. |
| \0 | (21D-01-00020) | ENGINE, ASSY. | ||
| 1 | YM123900-14200 | TAPPET | ||
| 2 | YM123900-14400 | PUSH-ROD | ||
| 3 | YM123900-14580 | CAMSHAFT ASSY. | ||
| 4 | YM129150-02450 | BEARING, THRUST | ||
| 6 | YM129900-14100 | GEAR | ||
| 7 | YM22512-070140 | KEY | ||
| 8 | YM26106-080142 | BOLT | ||
| 9 | YM123900-25060 | SHAFT, IDLE GEAR | ||
| 10 | YM123900-25120 | GEAR | ||
| 13 | YM26106-080552 | BOLT | ||
| 14 | YM129900-25900 | FUEL INJECTION GEAR | ||
| SEE FIG. 0201 | ||||
| SEE FIG. 0205 | ||||
| SEE FIG. 0431 |