High effective cleaner for carburettors. On visible carburettor parts (air passages, adjusting screws, venturi, outside parts). On throttle valve and choke. High dissolving properties. Leaves no residue. Non-corrosive. On the positive crank case ventilation valve. Usage : Processing temperature 5 – 30°C. Allow engine to cool down and remove air filter. Spray on the carburettor several times until the contamination has disappeared.