Castrol Power1 Cruise 15W50 is a semi synthetic motor oil specially formulated to suit the long riding conditions during which big bikes can feel sluggish because heat and friction can rob the engine of power. It's Power Sustain Technology manages heat and friction in big bikes ensuring continuous power delivery. It provides On Demand Acceleration when you need it the most. Suitable for 4-stroke bikes either carburetted or fuel injected where SAE 15W-50 4T viscometrics are recommended. Castrol Power1 Cruise fulfils requirements of API SL and JASO MA-2 standards.