Completely Assembled Non-Emissions Type Cylinder Head with 64mm Valves for 50cc 4-stroke QMB139 engines.
Specifications:
Diameter (piston side): 39mm
Thickness: 59.9mm
Valve Lenght: 64mm
Fits scooters that use the 139QMB engines.
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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