Vehicle Compatibility: All Scooters and Bikes.Usage instruction - use 2 ml in 1 liter of petrol.Cleans fuel injectors, carburettors and fuel system of dirt gum and varnish deposits without taking them apart.Restores engine performance and lost engine power, increases fuel efficiency by keeping the fuel system, including the combustion chamber clean.Treats petrol to give better drivability and reduces harmful emissions and visible smoke.