Ratio per liter of petrol to 2 stroke oil in ml in a motorcross?

The typical ratio of petrol to 2-stroke oil for Motocross bikes is often around 50:1, which means you would use 50 ml of 2-stroke oil for every liter of petrol. Some engines may require different ratiOS, such as 40:1 or 32:1, depending on the manufacturer's specifications. Always refer to the owner's manual for the specific ratio recommended for your bike to ensure optimal performance and engine longevity.