DESCRIPTION: Universal Parts Carburetor Type-2 (20mm Intake) for 50cc 4-stroke QMB139 engines. Includes electric choke and accelerator pump. Typically this carburetor is used on QMB139 engines that come stock with a 70cc+ displacement or on QMB139 scooters that have a big bore kit installed. Inner Diameter (intake): 20mm Outer Diameter (air filter mount): 38mm Outer Diameter (intake side): 28mm Electric Choke (plug style): 2-pin, male Accelerator Pump Main Jet Size: #78 Idle Jet Size: #33 Baja SC50, Baja SC50-P, Baotian BT50QT-11 , Boss, CFMoto, Kymco, Lifan, Panterra Freedom 50cc, Panterra Fusion 50cc, Panterra Retro 50cc, Qingqi, Qingqi QM50QT-4G, Qingqi QM50QT-6V, SUNL, Schwinn Hope 50, Schwinn Laguna 50, Tank, Various unlisted makes/models, Vento, Verucci, Wildfire, X-Treme
