100% synthetic racing engine oil. Based on ESTER Core® technology and, above all, on current motorsport standards. 300V 4T Factory Line 10W-40 has been specially developed for 4-stroke engines of racing motorcycles. operating in a wide temperature and speed range: including Speed bikes. MotoGP. SuperSport. Superbike. mountain bikes and hillclimbers. MOTUL has developed, in technical cooperation with the most prestigious racing teams, a comprehensive range of lubricants for racing and sports motorcycles. By preferring esters to other synthetic base oils with excellent properties and combining them with a set of innovative additives. MOTUL has achieved an ideal synergy. This most advanced ester technology allows you to achieve maximum engine power. without compromising on reliability and wear properties. The product composition ensures very good lubricating properties and reduces friction and wear. Thanks to low friction, power is increased and wet clutch performance is maintained. The product also offers excellent transmission protection thanks to an innovative anti-wear additive package and stable oil pressure under all operating conditions.