Oil and Maintenance Guide for 1999 Yamaha WaveRunner III GP - GP760 760.0
Before You Service the Engine
Before servicing the 1999 Yamaha WaveRunner III GP - GP760 760.0, check the two-stroke oil specification and the manufacturer's lubrication instructions. Follow the correct model-specific instructions; two-stroke engine oil is not interchangeable with ordinary four-stroke crankcase oil.
What kind of oil does a 1999 Yamaha WaveRunner III GP - GP760 760.0 take?
The available oil-product listings include HP Marine Synthetic 2-Stroke Oil, Synthetic 2-Stroke Injector Oil. For a service, choose oil that meets the engine’s actual application requirements, not just a product name.

