How to Adjust the Air-Fuel Mixture on a Scooter Carburetor?

[Dallas]

Scooter carburetor air-fuel mixture adjustment method is as follows: Turn the mixture screw clockwise until it bottoms out, then turn it counterclockwise one and a half turns. Below is relevant information about carburetors: 1. Definition: A carburetor is a mechanical device that mixes a certain proportion of gasoline with air under the vacuum generated by the engine operation. 2. Working principle: The carburetor is essentially a tube with an adjustable plate called a throttle valve in the middle, which controls the airflow through the tube. There is a constriction in the tube called a venturi, where a vacuum is created. This constriction has holes through which fuel is drawn by the vacuum.