Engine Flush is a specially formulated combination of additives and carrier fluid. One 50 ml can is sufficient for up to 1 liters of oil. Add Racing Engine Flush to the motor oil at running temperature before changing the oil. After adding the product, allow the engine to idle for approximately 10 minutes. Then change the oil and the filter. Two Wheeler Engine Flush is compatible with all commercially available motor oils. Suitable for use on motorbikes and Scooters .