Instructions on Ring Free say to use 2 oz/ gallon to shock treat, and 1 oz / 10 gallons for normal use. THEN, the I use an empty 5 quart oil jug.
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Yamaha Ring Free Decarbonization Shock Treatment This can be done an many outboards, however this. Anyone using it please give me advice. I just heard about Yamaha ring free oil Ring Free product yesterday. OMC equivalent was Carbon Guard or CarbX. For best results, please make sure your browser is accepting cookies. If you have been using castor oil and believe your rings and combustion chamber may have excess accumulation, pull the head and look, or just to take a limited peek, pull the exhaust pipe and look inside. On the other hand I'm sure that outboard motor oil has changed drastically for the better in the last duck dynasty free years. If you have not yet registered, you .