Foam composition for cleaning the surface of pistons, the upper part of the combustion chamber, valves and compression rings of 2T and 4T motorcycle engines. • For engines up to 1.5 l • Complete cleaning of the combustion chamber and valves in 30 minutes • Prevents detonation, valve burnout and glow ignition • Provides prevention of coking of piston rings • Safe for oil seals of anti-friction coatings