| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | YMR000445 | CRANKSHAFT, ASSY. | ||
| 3 | YMR000181 | GEAR | ||
| 4 | YMR000363 | PEG | ||
| 5 | YMR000369 | KEY | ||
| 7 | YMR000345 | PULLEY | ||
| 8 | YMR000300 | WASHER | ||
| 9 | YMR000072 | BOLT | ||
| 10 | YMR000055 | SCREW | ||
| 11 | YMR000136 | FLYWHEEL | ||
| 13 | YMR000050 | GEAR, RING | ||
| 14 | YMR000097 | PIN | ||
| 15 | YMR000127 | PISTON, ASSY. | ||
| 17 | YMR000128 | RING SET, PISTON | ||
| 21 | YMR000182 | PIN, PISTON | ||
| 22 | YMR000054 | RING, SNAP | ||
| 23 | YMR000446 | ASSY, PISTON (+0.25 mm) | ||
| 25 | YMR000454 | RING SET (+0.25 mm) | ||
| 29 | YMR000452 | CONNECTING ROD, ASSY. | ||
| 32 | YMR000070 | SCREW | ||
| 33 | YMR000183 | BEARING | ||
| 35 | YMR000103 | BUSHING | ||
| 36 | YMR000184 | BEARING (--0.25 mm) |