Chinese Crankshaft - GY6 50cc Engine
Chinese 50cc crankshaft fits several makes & models. Please use the pictures and measurements to best match your crank.
Crank shaft details:Overall Length: 24cm [9.45"]
Bearing size/model: 20 X 47 X 14 
Bearing size/model: 20 X 42 X 12 
22 tooth oil pump drive gear
Sprockets: 17 teeth each
Spline count on end of shaft: 26 spline
Thread size on tapered end: M10 x 1.25
Thread size on straight end: M12 x 1.25
Known to fit GY6-50 engines.
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