GOOFIT PD24J Carburetor for GY6 150cc ATV Scooter 157QMJ Engine Manifold intake diameter:24mm,air filter outside diameter:42mm. Fit for 4 stroke GY6 125cc 150cc engine with electric choke. Easy to install,Stable idling,keep your carburetor from oil leakage.This carb does not fit for all Honda XR70/XR70R/Z50 and early model than 2008 for CRF50 XR50. Arrival within 1-2 days (Sold by GOOFIT and Fulfilled by Amazon),Arrival within 7-15 days (Ships from and sold by GOOFIT) Warranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order. Industry Standard: Japan standard Carburetor Model Number: PD24J Material: Aluminum /Zinc Weight:28.2 ounces Manifold intake diameter: 24m,outter diameter:32mm Jet size: 5mm*height 8mm Air filter interface outside diameter: 42mm