Liquefies built-up gum and varnish and releases carbon deposits from the fuel system, injectors, pistons, and combustion chamber. Removes moisture from fuel and oil systems and lubricates engine components. Cures rough idle, hesitation, and pinging, restores power and pick-up, increases MPG (miles per gallon). Can be used for engine storage. Works in gasoline, diesel, ethanol and oil. Use on cars, trucks, motorcycles, lawn equipment, dirt bikes, agricultural equipment, boats, RVs (recreational vehicles), ATVs (all-terrain vehicles), and all 2-cycle, 4-cycle and rotary engines.