GOOFIT PD18 18mm Carburetor for 4 Stroke GY6 49cc 50cc Chinese Scooter 139QMB Moped for Taotao Kymco Scooter Jonway Baja Jmstar Lance NST Peace Banzer Barton Zipp Romet Fit for 4 stroke GY6 49cc 50cc engine,electric Choke (plug style): 2-pin, male plug(read description for fitment infos) Carburetor for 100cc big bore, Intake Manifold side: 18mm (Inner Diameter),Intake Manifold side: 28mm (Outer Diameter) Main jet size:75#, Air Filter Intake:35mm(inner diameter), 39mm (Outer Diameter) Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon) Arrival within 7-15 days (Ships from and sold by GOOFIT)