Wyoming

Motorcycle:

“every motor vehicle having a seat or saddle for the use of the rider and designed to travel on not more than three (3) wheels in contact with the ground but which may have attached thereto a sidecar for the purpose of transporting a single passenger. For the purpose of registration and titling
“motorcycle” includes motorized bicycles and scooters, but excludes mopeds,
motorized skateboards, multipurpose vehicles, electric bicycles and off-road
recreational vehicles as defined in subparagraph (K) of this paragraph.”

Motor-Driven Cycle:

“any motorcycle, including motor scooters and motorized bicycles having an engine with less than one hundred fifty (150) cubic centimeters displacement or with five (5) brake horsepower or less but does not include motorized skateboards or electric bicycles.”

Moped:

“a vehicle equipped with two (2) or three (3) wheels, foot pedals to permit muscular propulsion by human power, an automatic transmission and a motor with cylinder capacity not exceeding fifty (50) cubic centimeters producing no more than two (2) brake horsepower, which motor is capable of propelling the vehicle at a maximum speed of no more than thirty (30) miles per hour on a level road surface. ‘Moped’ does not include an electric bicycle.”