Cleaning a carburetor is an important step in preventative maintenance on cars, trucks, motorcycles, and small engines. The procedure can often be done when the carburetor is still on the engine, but ...

Confirm that the fuel valve is on, there’s gas in the tank and the spark plug is in good shape. Shoot a one-second burst of aerosol lubricant or carburetor cleaner down the throat of the carburetor.