GY6 49cc 50cc Crankshaft with 16 Teeth Fit for 139QMB 139QMA Roketa SUNL JCL Scooter Moped
Special Features
- Improved Performance: Optimized design increases power and efficiency.
- Smooth Operation: Reduces vibration and noise.
- Faster Acceleration: Increases torque and acceleration.
- High-Temperature Resistance: Stable operation even in high-temperature environments.
- Compatible with a wide range of engines.
Description
Over Length: 247mm
Bearing size/model: 20 X 47 X 14 [6204]
Bearing size/model: 17 X 42 X 12 [6203]
Thin level sprocket [timing driving sprocket]: 17 teeth
Oil drive gear: 16 teeth
Spline count on end of shaft: 26 spline
Thread Size (tapered side): M10x1.25
Thread Size (spline side): M12x1.25
Stroke: 41.4mm
Displacement (ml) : 50cc
No. of Cylinders : 1 Cylinder
Item Weight : 1.95kg
Model Name : GY6
Item Type : Crankshafts
Stroke : 4 Stroke
Engine Model : 139QMA 139QMB
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