| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM119803-21000 | CRANKSHAFT ASS'Y | 04634- | |
| 2 | YM129100-01580 | PIN | 04634- | |
| 3 | YM119803-21200 | GEAR,CRANK | 04634- | |
| 4 | YM22512-070140 | KEY | 04634- | |
| 5 | YM22351-030010 | PIN | 04634- | |
| 6 | YM119802-21650 | PULLEY | 04634- | |
| 7 | YM129795-21661 | WASHER | 04634- | |
| 8 | YM121850-21680 | BOLT | 04634- | |
| 9 | YM121111-21501 | BOLT | 04634- | |
| 10 | YM129489-21590 | FLYWHEEL ASS'Y | 04634- | |
| 11 | YM119865-21600 | GEAR,RING | 04634- | |
| 12 | YM119803-22080 | PISTON ASS'Y | 04634- | |
| 13 | YM119802-22500 | PISTON RING ASS'Y | 04634- | |
| 14 | YM119813-22300 | PIN,PISTON | 04634- | |
| 15 | YM129792-22400 | RING | 04634- | |
| 16 | YM719810-23100 | CONNECTING ROD A. | 04634- | |
| 17 | YM119810-23200 | BOLT,ROD | 04634- | |
| 18 | YM119810-23601 | CRANK PIN METAL A.,STD | 04634- | |
| 19 | YM119810-23910 | BUSHING | 04634- | |
| 20 | YM119810-23611 | CRANK PIN METAL A.,(U.S=0.25) | 04634- | |
| 21 | YM719803-22900 | PISTON ASS'Y,(O.S=0.25) | 04634- | |
| 22 | YM719802-22950 | PISTON RING ASS'Y,(O.S=0.25) | 04634- |