Semi-synthetic based 4-stroke engine oil specifically formulated for Personal Watercraft, Outboards, Inboards and Stern Drives. Unique frictional profile of this product optimizes supercharger performance (more power) while protecting the internal supercharger components. Shear-stable polymer system provides excellent film thickness and viscosity stability across all operating temperatures. Advanced, proprietary additive system with extremely robust anti-corrosion and anti-wear protection keeps your engine running clean, trouble-free and extends the life of the machine. Exceeds the requirements of API SM/JASO MA / NMMA FC-W(CAT) Catalyst Compatible.