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Johnson Evinrude Engine Tuner is recommended to maintain full power and efficiency in outboard motors, marine engines, power tools, snowmobiles, and other internal combustion 2- and 4-cycle engines. For use in engine tune-up to remove gum and varnish build-up, excessive carbon deposits from rings, pistons, valves and ports. Spray through air intake of 2 and 4 cycle engines for improved performance. Treatment is recommended every 50 hours or at least once a year.
California Residents: WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
Johnson/Evinrude Carbon Guard Fuel Additive 12oz Johnson/Evinrude Carbon Guard is a gasoline additive formulated to minimize deposit build-up in 2-cycle and 4-cycle marine engines when used as...Add to Cart