PWK 40mm PWK40 Carburetor Quad Carb For TRX250R CR250 LT250 For All 250cc Or Larger ATVs Go Kart Dirt Bike Jet Boat Fit For TRX250R CR250 LT250 All 250cc Or Larger ATVs Go Kart Dirt Bike Jet Boat , standard engine mounting ,adapts trail riding off road racing scenarios Direct bolt on replacement ,aligns throttle linkage port ,no manifold or extra adapter parts needed Regulates balanced fuel mixture ,delivers quick throttle response ,elevates peak power output under rotation speeds machined carb shell with internal fuel components ,adopts stable structural material ,cuts internal blockage chances Constructed per uniform 40mm inner diameter specs ,creates tight sealed passage ,sustains steady fuel supply on bumpy terrain