GY6 Stock Cooling Fan Cooling fan for 150cc and 125cc GY6 4-stroke QMI152/157 QMJ152/157 engines and 150cc GY6B 4-stroke ZNEN engines commonly found in Lance Phoenix, Flyscooters Cadenza, ZNEN ZN150T-18, Xingyue ITA-150, Motorino Cassini, CMS Prodigy, BMS Pathfinder and many more.