Means a device with handlebars designed to be stood or sat upon by the operator, and powered by an internal combustion engine or electric motor that is capable of propelling the device with or without human propulsion, and that has no more than two 12-inch or smaller diameter wheels and has an engine or motor that is capable of a maximum speed of 15 mph on a flat surface with not more than 1% grade in any direction when the motor is engaged. An electric personal assistive mobility device, a motorized bicycle, an electric-assisted bicycle, or a motorcycle is not a motorized foot scooter.