Yamalube Ring Free Plus Fuel Additive — 32 oz — Part ACC-RNGFR-PL-32. One 32 oz bottle treats multiple tanks at routine maintenance dosage. Genuine Yamalube formulation. Works on all Yamaha outboard motors, WaveRunners, and sport boats — as well as any other gasoline-powered marine engine.
This product is ideal for marine outboard engines.
