Yamaha Ring Free Decarbonization Shock Treatment be done an many outboards, however this.
Ring - Free Fuel Additive. smoother and stronger. Recommended for use as a constant treatment, or as a " Shock Treatment." For two and four stroke engines.
I would like to " shock " my Yamahas with Ringfree with my first tank of the season. . Free. I was told that shock treatment ratio was removed from the bottle because I was told that optimally one would use Ring Free plus and the Yamaha fuel. I use [Yamaha Ring Free] in all of my engines-both Yamaha and Mercury. Volvo Penta Gas Engine Forum. Help Tip: If you have a question that has not been answered to your satisfaction in the archives, it is always best to start a new thread of your. By longridr in forum Yamaha Outboard Archive. Repeat until all mixture is consumed.