Vehicle Compatibility: Two Wheelers. Vehicle Model Name : CB Shine, Crux, Vespa, Gladiator, HF Dawn, Platina, Discover, Discover 125 DTS-i. In normal running, deposits build up and impact engine performance. But Castrol Activ fights deposits, providing superior engine cleanliness to ensure smooth running. When the engine stops, oil drains to the sump, leaving parts at risk of corrosion. Castrol Activ with Actibond molecules clings to critical engine parts, for improved corrosion protection, even while the engine is off. Very good thermal resistance and stability. Friction control capability.