What is the adjustment and maintenance method for the carburetor of a scooter motorcycle?

1 Answers
RichardFitz
07/30/25 12:59am
The adjustment method for the carburetor of a scooter motorcycle is: open the pedal, there is a cross screw under the seat, adjust the cross screw. The carburetor is a mechanical device that mixes a certain proportion of gasoline and air under the vacuum generated by the engine operation. Abnormal oil lubrication: insufficient engine oil or performance degradation, the oil is oxidized under high temperature conditions, leading to poor lubrication, increasing the wear of internal engine components, and causing high-temperature stalling. Solution: Observe the color and viscosity of the oil after draining, and replace it if necessary. Overly rich mixture: The carburetor mixture screw is adjusted too rich or overly rich, the air filter is clogged, the exhaust pipe is clogged, the main two holes or idle two holes in the carburetor are loose, the choke is half-open or closed, etc., all of which will cause the mixture in the cylinder to be too rich, increasing spark plug carbon deposits while making it difficult to ignite, "drowning" the spark produced by the spark plug, resulting in a "flooded cylinder" phenomenon, leading to stalling. Solution: Adjust the mixture screw, replace the air filter, check the position of the choke and whether there is any air leakage in the intake system. Ignition system failure: The motorcycle ignition system includes the spark plug, ignition coil, high-voltage coil, distributor wire, etc. If any component fails, it will cause the engine to stall under high temperature conditions and make it difficult to restart successfully.
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