Castrol 03139 Actevo 20W-50 Part Synthetic 4T Motorcycle Oil - 1 Gallon Jug, (Pack of 3) Cling to engine parts providing a continuous layer of protection during start-up and beyond Clinging action gives up to 70% wear reduction in comparison with other JASO MA-2 oils, dramatically increasing engine life* *versus JASO MA-2 oil without Actibond in cam wear index tested Provide superior protection from high temperature carbon deposits, enabling the engine to retain its performance for longer Delivers excellent thermal stability for enhanced protection and resistance to oil burn-off at temperature extremes Suitable for all makes of 4-stroke bikes, both carburetor and fuel injected. Always follow the vehicle manufacturers recommendations Exceeds industry specifications API SL and JASO MA-2 standards