This carburetor is a strictly in accordance with the highest production standards, it is good at mixing fuel and air, keeping the engine running smoothly, and preventing the engine from running out of oil or overflowing. Suitable for Honda 1984-1985 NQ50 Spree Carburetor. Inner Diameter (intake side): Approx 17mmOuter Diameter (intake side): Approx 35mmDiameter (air filter side): Approx 28mm you may need to adjust it slightly during installation..
