“Motor scooter” means a nonpedal vehicle that: Has a seat for the operator; Has two wheels, of which one is 10 inches or more in diameter; Has a step-through chassis; Has a motor: With a rating of 2.7 brake horsepower or less; or If the motor is an internal combustion engine, with a capacity of 50 cubic centimeters piston displacement or less; and Is equipped with an automatic transmission. “Motor scooter” does not include: An electric low speed scooter; or A vehicle that has been manufactured for off–road use, including a motorcycle and an all–terrain vehicle.