An Onan carburetor controls the fuel and air mixture in your RV generator. Over time, carburetors can clog or wear out, causing hard starts, rough running, or stalling. Replacing a faulty carburetor restores smooth engine performance and reliable power. The process involves removing the air filter, disconnecting fuel lines, and unbolting the old carburetor. After installing the new carburetor, reconnect everything and test the generator. Regular maintenance and timely replacement prevent fuel problems and engine strain. A clean, properly working carburetor ensures your Onan generator runs efficiently, keeping your RV powered and your trips stress-free.