Yamaha Yamalube Oils
Yamaha Yamalube products are specially formulated for use in Yamaha Outboard engines. Don't settle for less than perfect! Your engine was designed to run and perform at its peak using Yamaha Yamalube products. Consider using Ring Free Plus or Yamalube Fuel Stabilizer as an added measure of care for your Yamaha 2 stroke or 4 Stroke Outboard.
For those of you with 2 stroke carbureted engines or HPDI please use Yamalube 2M.
For those of you with Yamaha 4 stroke outboards, please choose 4M. If your Virginia or South please use 20W40, and our northerly friends should choose 10w30.