Yamaha Outboard Ring Free Plus Fuel Additive Quart (32 ounce) ACC-RNGFR-PL-32
- Synthetic PLUS formula provides superior deposit control, cleaning fuel injectors, carburetors, intake valves, intake ports, and combustion chambers.
- Featuring metal filmers, it also protects silver solder, copper, aluminum, and steel in a fuel system from the corrosive affects of ethanol sulfate salt..