Carburetor Carb 139QMB 139QMA Scooter Moped ATV GY6 50cc 100cc 19mm

139QMA Engine. 139QMB Engines. Many generic Chinese scooter. Sport 50cc. 50cc Milan E3 [DB50QT-30A]. 50cc Ninja. 50cc Ninja E3 [DB50QT-15B]. Zing Bikes Echo 50cc [LF50QT-8D].

eBay