How to Adjust the Mixture Ratio of a Carburetor?
1 Answers
Follow the throttle cable to locate the carburetor and open the carburetor cover. After opening the cover, remove the internal spring to reveal the position of the needle valve. Remove the needle valve along with its holder. Push the retaining ring inside the holder upwards to detach the needle valve. Use pliers to adjust the needle valve shim. Lifting the needle valve enriches the air-fuel mixture, while lowering it leans the mixture.