Maxima's Premium4 is a superior product featuring advanced additive technology in the development of highly stable and long life multi-grade motorcycle specific oil. By using an exclusive blend of petroleum base stocks and advanced anti-wear, anti-shear additives, this product assures viscosity stability for all air and water-cooled 4-cycle engines with integrated transmissions. This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures in high performance engines. Viscosity Stable, Reduces friction and engine temperatures. High temperature additive system. Formulated for Wet clutches. All weather formula, Easy starts, Reduces engine wear. Premium petroleum base. Exceeds JASO-MA M/C 4T Specs. Exceeds API SG/CC Specs, Turbo certified.