Chinese crank shaft - GY6 50cc engine
Chinese ATV, go kart, scooter crank shaft fits several makes & models. Please use the pictures and measurements to best match your crank.
Crank shaft details:
- Over Length: 24cm [9.45"]
- Bearing size/model: 20 X 47 X 14 
- Bearing size/model: 17 X 42 X 12 
- Thin level sprocket [timing driving sprocket]: 17 teeth
- Sprockets: 17 teeth - 16 teeth
- Spline count on end of shaft: 26 spline
Known to fit GY6-50 engines.