§ 301.19  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.
(R.C. § 4511.01(C))