Extra4 is a 100 percent Triple Ester blend synthetic motor oil featuring advanced additive technology. By using today's most advanced additive systems and high-performance synthetic ester based stocks, Maxima has engineered what is believed to be the finest 4-cycle motorcycle specific oil available on the market today. The very latest shear stable polymer systems have been used to assure viscosity stability and virtually eliminate transmission shear-down of the oil. 100 percent Triple Ester blend, Reduces friction and engine temperatures, Viscosity Stable. Anti-wear and Anti-scuff additives, All weather formula. Easy starts. Reduces engine wear, Improves fuel economy, Smoother transmission shifting, Superior engine cleanliness, Extends drain intervals, Formulated for Wet clutches. Exceeds JASO-MA M/C 4T Specs, Exceeds API SG/CC Specs.