| Item | Part No. | Part Name | Qty | Serial No. |
| ENGINE ASSEMBLY (SEE FIG. A0010-0101 ) | ||||
| 1 | YM129908-21000 | CRANKSHAFT ASSEMBLY | ||
| 2 | YM129900-21200 | GEAR | ||
| 3 | YM121850-21290 | PARALLEL PIN | ||
| 4 | YM121850-21920 | PARALLEL PIN | ||
| 5 | YM22512-070140 | KEY | ||
| 6 | YM129900-21640 | WASHER | ||
| 7 | YM129900-21660 | PULLEY | ||
| 8 | YM121850-21680 | BOLT | ||
| 9 | YM121850-21130 | SCREW | ||
| 10 | YM129900-21580 | FLYWHEEL | ||
| 11 | YM129900-21600 | GEAR, RING | ||
| 12 | YM129908-22080 | PISTON ASSEMBLY | ||
| OR | ||||
| 12 | YM729908-22900 | PISTON ASSEMBLY (+0.25 MM) | ||
| 13 | YM129907-22050 | RING SET, PISTON | ||
| OR | ||||
| 13 | YM729907-22950 | RING SET, PISTON (+0.25 MM) | ||
| 14 | YM120130-22301 | PIN | ||
| 15 | YM22252-000300 | CLIP | ||
| 16 | YM129900-23000 | CONNECTING ROD ASSEMBLY | ||
| 17 | YM129900-23910 | BUSHING | ||
| 18 | YM129900-23200 | SCREW | ||
| 19 | YM129900-23600 | BEARING | ||
| OR | ||||
| 19 | YM129900-23610 | BEARING (-0.25 MM) |
