| Item | Part No. | Part Name | Qty | Serial No. |
| ENGINE (SEE FIG. A0001-0100 ) | A10001 and UP- | |||
| YM129601-21001 | CRANKSHAFT | |||
| 1 | (NSS) | SHAFT | ||
| 2 | YM129100-01580 | SPRING PIN | ||
| 3 | YM119802-21201 | GEAR, DRIVE | ||
| 4 | YM22512-070140 | KEY | ||
| 5 | (NSS) | BALL | ||
| 6 | YM22351-030010 | SPRING PIN | ||
| 7 | YM119802-21650 | PULLEY, CRANKSHAFT | ||
| 8 | YM129795-21661 | WASHER | ||
| 9 | YM121850-21680 | BOLT | ||
| 10 | YM121111-21501 | BOLT | ||
| 11 | YM129489-21590 | FLYWHEEL | ||
| 12 | YM119865-21600 | GEAR, RING |