Maxima (359128B) Syn Blend4 20W-50 Motorcycle Engine Oil - 1 Gallon Jug Maxima's Synthetic Blend4 is a blend of ester-based synthetic and petroleum base stocks featuring advanced technology This special high temperature formula protects critical engine components, reduces wear, friction, temperature, oil consumption and extends drain intervals The use of new anti-shear additives assures viscosity stability for motorcycle 4-cycle engines with integrated transmissions and exceeds both JASO-MA M/C 4T and API SG/CC Specs This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures For all air and water-cooled 4-cycle gasoline engines with Wet clutches, the all weather formula provides easy starts, improves fuel economy, and smoother transmission shifting