625 ILCS 5/1-147

(625 ILCS 5/1-147) (from Ch. 95 1/2, par. 1-147) Sec. 1-147. Motorcycle. Every motor vehicle having a seat or saddle for the use of the rider and designed to travel on not more than 3 wheels in contact with the ground, but excluding an autocycle or tractor. (Source: P.A. 98-777, eff. 1-1-15.)