Genuine Evinrude/Johnson Engine Tuner to clean the engine internally and improve engine performance.
Keep your engine running smoothly with the Evinrude Johnson Engine Tuner. This powerful spray eliminates gum, varnish, and carbon build-up for improved performance in 2 and 4 cycle engines.
Simply spray through the air intake for hassle-free tune-ups. No need to mix with oil.
Our Evinrude Johnson Engine Tuner is the top choice for engine maintenance, trusted and used by our very own mechanics. Keep your engine running smoothly and efficiently with the best stuff out there.
13 oz. spray can.