Understanding How To Mix 2 Cycle Oil 25:1 30:1 or 50:1 In My Gas for my UberScoot 70X 2 Speed Scooter. Dont get Confused with what So many people have trouble with mixing gas and oil for their Uberscoot Scooter. Understanding the concept is the Key. What is 25:1 or 30:1 or even 50:1 ratio for mixed gas. Understanding How To Mix Your 2 Cycle 2 Stroke Oil & Gas 30:1 or 50:1 UberScoot 70X 2 Speed Scooter. Why do you have to add oil in the gas for my Uberscoot Scooter? How do I mix it right? What will happen if I don't mix it and run straight gas without the oil in my Uberscoot Scooter?