Bel-Ray® EXS Full Synthetic Ester 4T Engine Oil is a 4-stroke motorcycle oil providing outstanding wear protection, low temperature and high temperature performance. The oil is designed for the high stress race environment but perfect for touring and sportbikes as well. It is a premium motorcycle oil that uses the finest quality synthetic hydrocarbon and ester base fluids combined with unique extreme pressure, anti-wear additives and shear resistant VI improvers to meet the demands of high-performance applications. Lowers engine temperatures and increases horsepower. Meets the performance requirements of API SM and JASO MA2. Suitable for air-cooled / liquid-cooled 4-stroke engines and wet clutches. For use in all 4-stroke engines requiring an oil meeting the API SG / SH / SJ / SL /SM standards. For use in all 4-stroke motorcycles with or without wet clutches including those specifying the use of a JASO MA / MA1 / MA2 qualified oil.