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Your cart is empty.Yamaha's ACC-RNGFR-PL-12 Yama lube Ring-Free Fuel Additive improves power and efficiency in two and four stroke engines. It removes and prevents carbon and varnish deposits from injectors, carburetors, intake valves, intake ports and combustion chambers. These deposits are caused by poor fuel quality. It even fights corrosive elements of sulfur in Ethanol blended fuels. Use with Yama lube Fuel Stabilizer and Conditioner PLUS to prevent any harmful effects.
Customer
Reviewed in the United States on March 9, 2025
So far it seems to be helping. My shop manager has 20 years experience as a manager at yamaha and recommended it. He also recommend going heavy(1 ounce per 3 gallons) they 1st two tanks. Then I bought a 1/3rd ounce measuring spoon to add the remainder of the bottle. I will update after treatment. It still hesitates on cold mornings the 1st few miles. He said it should clean it up.
Paul Dirac
Reviewed in the United States on March 5, 2025
The best engine combustion decarbonizer! I used Yamahas ring free on a 2014 Subaru Outback with a 2.5 that started consuming oil. Then I realized this oil consumption was causing my engine to have a slight ping around 2000-3000 RPMs. I learned that oil burning carbonized my combustion chamber hence caused carbon to make my engine ping. My car had the ping for about 3 years and it was getting worst. I tried Sea foam and Chevron Techron and they both helped and they are good products but the pinging was still there.Yamaha Ring free has for the first time gotten rid of my pinging problem. I did use it as shock treatment though which requires you to add 2 oz per gallon of gas in your gas tank. It goes in your gas tank so it also cleans injectors. Which would explain why my engine is running so smooth.On top of my engine smooth it has regained new power. Very happy with product. Thanks!
arthur glick
Reviewed in the United States on March 5, 2025
EXCELLENT PRODUCT ONLY PROBLEM WAS LONG SHIP TIME
fourbyfive
Reviewed in the United States on February 23, 2025
If it’s a boat, use Yamalube everything. It is simply the best. Has been for decades.
The Shark
Reviewed in the United States on February 13, 2025
Combustion engine? Running rough or hard to start? Simply stated this stuff works. Used in wave runner as well as gas leaf blower and lawn mower. Use Yamaha ring free in conjunction with this and somehow it works with a fresh tank of gas.
Jeffrey Weiss
Reviewed in the United States on January 16, 2025
Great for my yamaha outboard. Runs better and better since we adopted it.
Andromeda
Reviewed in the United States on January 13, 2025
This product is an excellent engine de-carbonizer. I used it on a GDI trubo engine and am amazed at the results. Added to gasoline, the direct injectors as well as combustion chambers are cleaned during engine operation. Recommended.
Bobby Perkins
Reviewed in the United States on September 2, 2024
No problems and easy to use.
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