Lucas Synthetic SAE 10W-40 with Moly API SJ, JASO MB Motorcycle Oil is a blend of high quality synthetic base oils and an exclusive high performance additive package that lowers oil temperatures, extends oil and component life, reduces noise and reduces leaks. Our unique chemistry provides maximum friction reducing properties in severe racing conditions. Provides wear protection at start-up and has excellent cold temperature properties. Not recommended for use in wet clutch applications. For use in all air-cooled and water/radiator cooled 4-stroke engines. BAJA tested.