Optimizes engine performance. Removes deposits in the fuel system, on valves, spark plugs and in the combustion chamber and prevents renewed formation. This also reduces fuel consumption. Protects the entire fuel system from corrosion. Prevents carburetor icing. Cat tested. Add to fuel in all 4-cycle engines (carburetor and injection system). 80 ml sufficient for 5 to 10 l fuel. Add every time you fill up.