Increases engine efficiency. Removes deposits in the fuel system, on valves and in combustion chambers and prevents new emergence. This also reduces fuel consumption and protects the entire fuel system from corrosion. Prevents iron formation in the carburetor / injection system. Tested for catalyst. A very good and well-tested product that works for both 2 and 4-stroke engines. Bestsellers in many countries and a savior in times of need during unclean walking, especially in the spring at the first start-up. A top product from Liqui Moly that we highly recommend! Motorbike 4T Shooter 80 ml is enough for between 5 and 10 liters of petrol. For mopeds 1 shooter per full tank.