Motul Engine Clean Kit engine cleaning kit contains two additives. which are designed for professional and easy cleaning of the oil system and combustion chamber together with the engine oil change. Suitable for all vehicles with petrol engines. Easy to use before changing the vehicles oil. After using the Engine Flush additive, let the engine run for about 10-15 minutes and then start changing the oil. Effectively cleans residues and blockages. which may form in the engine. Microparticles formed during cleaning are released from the engine when the engine oil is drained. The additive increases engine compression. improves performance and reduces exhaust gases. The System Keep Clean additive cleans the fuel system and injectors and reduces the formation of deposits. Bioadditives in modern fuels promote contamination of fuel systems. Motul System Keep Clean provides effective protection. while reducing exhaust gases and fuel consumption.