DetailsChinese 139QMB / QMB139 / QMA OEM type spare part driven pulley. The QMB139 motor is a 50cc 4-stroke, sometimes referred to as GY6 50. Clutch shoe set is 107mm type. These parts are designed and manufactured in Taiwan and are often better than the original Chinese items.
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SKU MGY6000117 Country of Manufacture Taiwan Manufacturer No