Performance additives. Cleans quickly & easily. Helps stop hard starting & rough idling. Clean all unpainted metal parts. Gum, varnish and dirt build-up may cause hard starting, rough idling, stalling, high exhaust emissions, gasoline waste and loss of pep. Gumout Carb/Choke & Parts Cleaner cleans off the gum, varnish and dirt quickly and easily. 50 State VOC compliant. Will not harm catalytic converters or oxygen sensors; however, avoid spraying oxygen sensors to maintain proper engine operation. For technical questions or comments, call 1-855-888-1990. Visit us at www.gumout.com. Made in the USA of foreign and US components.

Shake can thoroughly before use. Spray with can in upright position. Insert plastic tube firmly into valve button. With Engine Off and Cool: Carburetor - Remove the air cleaner and clean the outside of the carburetor and all of the linkage. Avoid spraying electrical connections. Manifold Heat Control - Spray Gumout on exposed ends of cool heat riser shaft. Allow to penetrate and clean. Move counterweight up and down until free. With Engine Running: Carburetor - Spray Gumout to both ends of the choke valve shaft while working choke by hand. Spray down and around the carburetor throat to remove deposits from the throttle plate area. Do not spray down carburetor throat with engine off. Do not spray below throttle plate. Choke - If choke sticks, remove choke cover and spray. PCV Valve - Disconnect the crankcase side of the valve and spray Gumout into the open end of the valve while working the plunger back and forth. Not recommended for fuel injected vehicles. If sprayed on painted surface, wipe off at once.