Universal Parts GY6 Crankshaft

Crankshaft Assembly for 150cc and 125cc GY6 4-stroke QMI152/157 and QMJ152/157 engines.

• Stroke: 57.8mm
• Overall Length: 285mm
• Flywheel Thread Size: M12x1.25
• Flywheel Thread Length: 14mm
• Drive End Thread Size: M12x1.25
• Drive End Thread Length: 14mm
• Inner Diameter (piston pin hole): 15mm
• Number of Splines: 19
• Main bearings included

Important Parts Notice: Not all replacement or upgrade parts come with instructions. It is the customer's responsibility to have common knowledge of the installation or hire an experienced installer. We are not responsible for any damage that may be caused by any of the items we sell, whether installed by you or a professional. We are not required to provide step-by-step instructions or technical support. In any case, we will always do our best to help you with any technical question you may have. Electrical parts are non returnable and the buyer assumes all risks.

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