TCMT Replacement Carb Fuel System Carburetor For 4 stroke GY6 110cc 125CC 150CC YAMOTO, PROPEL, ROAD, RUNNER, ZENN Good at mixing fuel and air,Keep engine running smoothly,Material :?Zinc alloy Inner Diameter (intake side):24mm Outer Diameter (intake side):32mm Inner Diameter (air filter side):38mm,Outer Diameter(air filter side):42mm Package Included:1 X Carburetor