Red Line's Complete Fuel System Cleaner contains concentrated, high-temp detergents that clean your carburetors or fuel injectors, fuel lines, tank, intake valves, combustion chambers, and fouled plugs. This ultimately improves your motorcycles fuel economy, throttle response and virtually eliminates hesitation and stalling. It's simple to use just pour one bottle into your street bike, dirt bike, ATV, or PWC for a quick clean-up.