Crankshaft Assembly MYK for 50cc 4 Stroke Chinese Scooters. Type 1 (16 Teeth Gear)
Code: MYKH0289MYK Crankshaft Assembly for GY6/QMB139 50cc to 80cc 4 stroke engines.
- Oil pump drive gear 16 teeth.
- Inexpensive replacement for OEM crankshaft.
- Fits 50cc/80cc 4 Stroke GY6/QMB139 Engines.
- Stroke: 41.4mm
- Overall Length: 246mm
- Thread Size (tapered side): M10x1.25
- Thread Size (spline side): M12x1.25
- Bearing Outer Diameter (tapered side): 42mm
- Bearing Outer Diameter (spline side): 47mm
- Number of Splines: 26
MYK Crankshaft Assembly for GY6/QMB139 50cc to 80cc 4 stroke engines. Type 1 (16 Teeth @ the oil pump gear)
Fits most 50cc/80cc QMB/GY6 based Chinese Engines. Ex :Roketa, Sunl, Baja, Kazuma, Carroll Stream Eagle, Taotao, Panterra, Kymco, Redcat Tank Giovanni Wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Vento, Tng and Various unlisted makes/models.