Cleans and frees choke linkages, moving parts on carburetors and PCV valve. Removes grease, carbon deposits, oil, gumming and other materials. For use on automobiles, heat risers, buses, pcv valves and systems, carburetors, motorcycles, earth moving equipment. Cools automatic choke thermostat controls for faster adjustment time. Areas of use include automobile and motorcycle repair shops, bus maintenance facilities, factories and auto dealerships.