Crankshaft Assembly MYK for 50cc 4 Stroke Chinese Scooters - Type 1 (16 Teeth Gear)
Code: MYKH0289

- 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: 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 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.