Suzuki King gs 125 vacuum carburetor vacuum membrane is broken. What are the symptoms?

Unstable idle speed, love to turn off the engine and shake the car.

The throttle valve of vacuum carburetor uses the pressure difference of vacuum membrane to lift the fuel needle of the throttle valve, thus changing the oil intake in the mixture. When the vacuum membrane is broken, the fuel needle can't be lifted, and the oil intake is insufficient, which leads to the problems of unstable idle speed, flameout and car shaking.

Extended data:

Matters needing attention in the use of vacuum carburetor;

Clean the carburetor regularly, keep the carburetor oil path and gas path clean, and keep the small aperture unobstructed. This is also very important to prolong the service life of carburetor. Many carburetor performance failures can be solved by cleaning the carburetor regularly.

Prevent deformation of vacuum vaporizer. The removed vacuum carburetor parts should be placed neatly to prevent leakage or wrong installation. Carburetors should be cleaned in a clean place. Clean the outer surface of the carburetor first, and the inside can be cleaned with special cleaning agent for carburetor or industrial gasoline.