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

1 Answers
DeLucy
07/29/25 1:45pm
Scooter carburetor air-fuel mixture can be adjusted to optimal 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's operation. 2. Working Principle: A carburetor is essentially a tube with an adjustable plate called a throttle valve in the middle to control the airflow through the tube. There is a constricted section in the tube called a venturi, where a vacuum is created. This constricted section has a hole through which fuel is drawn by the vacuum.
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