Castrol Activ 4T 20W-40 Continuous Protection (Mineral) Description The engine in your bike risks damage all the time, when starting up, when running and even when the engine is off. New Castrol Activ 4T with Actibond molecules clings to the engine to provide 3 Step protection: through start-up, while the engine is running, and when the engine is off. Application Castrol Activ 4T 20W-40 is suitable for all 4-Stroke motorcycle engines where API SL (and below) and/or JASO MA2 and MA specifications are recommended. Advantages New Castrol Activ 4T delivers 3 Step protection* Castrol Activ 4T contains Actibond™ molecules that cling firmly to the engine parts: Castrol Activ 4T: • Provides 50% better** wear protection during start-up • Fights deposits and provides superior engine cleanliness during running • Provides excellent corrosion protection, even when the engine is off *Protection in 3 stages of the ride: through engine start-up, running, and while the engine is off. **vs reference API SL oil in Sequence IVA test