Ohio

Motorcycle:

“every motor vehicle, other than a tractor, having a seat or saddle for the use of the operator and designed to travel on not more than three wheels in contact with the ground, including, but not limited to, motor vehicles known as ‘motor-driven cycle,’ ‘motor scooter,’ ‘autocycle,’ ‘cab-enclosed motorcycle,’ or ‘motorcycle’ without regard to weight or brake horsepower.”

Motor-driven Cycle or Motor Scooter:

“any vehicle designed to travel on not more
than three wheels in contact with the ground, with a seat for the driver and floor pad for the driver’s feet, and is equipped with a motor with a piston displacement between fifty and one hundred cubic centimeters piston displacement that produces not more than five brake horsepower and is capable of propelling the vehicle at a speed greater than twenty miles per hour on a level surface.”

Motorized Bicycle or Moped:

“any vehicle having either two tandem wheels or one wheel in the front and two wheels in the rear, that may be pedaled, and that is equipped with a helper motor of not more than fifty cubic centimeters piston displacement that produces not more than one brake horsepower and is capable of propelling the vehicle at a speed of not greater than twenty miles per hour on a level surface. ‘Motorized bicycle’ or ‘moped’ does not include an electric bicycle.”