How to deal with excessive mixture?

1. Check the pipeline from the fuel tank to the carburetor connector. If there is oil leakage or blockage, dredge or replace it;

2. Check the gasoline pump. If there is something wrong with the gasoline pump, replace it.

3. Check the opening of the needle valve at the inlet of the carburetor or the height of the float, and adjust it if there is any undesirable phenomenon;

4. If the main metering hole or main oil supply channel in the carburetor is blocked, it should be cleaned and unblocked;

5. If the gasket is damaged or leaked, it should be replaced.