Crankshaft Assembly MYK for 50cc 4 Stroke Chinese Scooters - Type 2 (22 Teeth Gear)
Code: MYKH0087

- Oil pump drive gear: 22 teeth
- Inexpensive replacement for OEM crankshaft, fits 50cc/80cc 4-stroke GY6/QMB139 engines
- Stroke: 41.4mm; Overall length: 246mm
- Thread size: M10x1.25 (tapered side), M12x1.25 (spline side)
- Bearing outer diameter: 42mm (tapered side), 47mm (spline side); 26 splines
MYK Crankshaft Assembly for GY6/QMB139 50cc to 80cc 4 stroke engines. Type 2 ( 22 Teeth @ the oil pump gear)
Peace, Iceberg, Roketa, Baja, Baccio and many more Chinese scooters with 50cc 4 stroke engines.