GOOFIT 15mm Carburetor for 47cc 49cc 2 Stroke Mini Pocket Bike Quad Chopper Scooter Engine The item fit for 33cc 43cc 47cc 49cc 50cc 2 stroke mini pocket bike, atv, mini quad,stand-up scooters, dirt bikes, mini-choppers Feature: Air mixture adjustment screw,Idle adjustment screw Venturi side opening: 15mm,bolt hole spacing:31mm(read description for fitment infos) Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon) Arrival within 7-15 days (Ships from and sold by GOOFIT)