Bharat Shell Limited supplies Synthetic Based 4-stroke Motorcycle Engine Oil. Bharat Shell Limited offers crude, products, chemicals and technology to public/private sector oil companies. Synthetic Based 4-stroke Motorcycle Engine Oil is a premium semi-synthetic lubricant which is exclusively developed for 4-stroke high-powered bikes, providing superior performance and excellent engine protection. Synthetic Based 4-stroke Motorcycle Engine Oil is specially designed for riders of high-powered bikes who need special oil that protects and keeps their bike engine clean in all types of road conditions. The model name of this oil is Shell Advance VSX4 10W-40.