| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YM123900-21000 | CRANKSHAFT | ||
| 3 | YM129900-21200 | GEAR, TIMING | ||
| 4 | YM121850-21290 | PIN, PARALLEL | ||
| 5 | YM121850-21920 | PIN, PARALLEL | ||
| 6 | YM22512-070140 | KEY | ||
| 7 | YM129900-21640 | WASHER | ||
| 8 | YM123900-21680 | PULLEY | ||
| 9 | YM121850-21680 | BOLT | ||
| 10 | YM121850-21130 | BOLT | ||
| 11 | YM123910-21500 | HUB, INTERMEDIATE | ||
| 12 | YM123910-21580 | FLYWHEEL ASSEMBLY | ||
| 14 | YM127410-21480 | GEAR, RING | ||
| 15 | YM26106-080252 | BOLT | ||
| 16 | YM123900-22080 | PISTON ASSEMBLY | ||
| 18 | YM123900-22900 | PISTON (+0.25 MM) | ||
| 24 | YM123900-22050 | RING ASSEMBLY | ||
| 25 | YM123900-22950 | RING ASSEMBLY (+0.25 MM) | ||
| 26 | YM123900-23600 | BEARING ASSEMBLY | ||
| 29 | YM119173-22300 | PIN | ||
| 30 | YM22252-000370 | SPRING, SNAP | ||
| 31 | YM123900-23000 | ROD ASSEMBLY | ||
| 33 | YM123900-23910 | PIN, PISTON | ||
| 35 | YM123900-23200 | BOLT | ||
| 37 | YM123900-23610 | BEARING (-0.25 MM) |