Wisconsin

Motorcycle:

“a motor vehicle originally manufactured with motive power, a seat or saddle requiring the rider to sit astride, not more than 3 wheels in contact with the ground, steering controlled by handlebars, and acceleration and braking controlled with handlebar and foot controls and that is capable of speeds in excess of 30 miles per hour.”

Moped:

“any of the following motor vehicles capable of speeds of not more than 30 miles per hour with a 150-pound rider on a dry, level, hard surface with no wind, excluding a tractor, a power source as an integral part of the vehicle and a seat for the operator: 1. A bicycle-type vehicle with fully operative pedals for propulsion by human power and an engine certified by the manufacturer at not more than 130 cubic centimeters or an equivalent power unit. 2. A motorcycle with an automatic transmission and an engine certified by the manufacturer at not more than 50 cubic centimeters or an equivalent power unit. ‘Moped’ does not include a motor bicycle or electric bicycle.”

Motor Bicycle:

“a bicycle to which a power unit that is not an integral part of the vehicle has been added to permit the vehicle to travel at a speed of not more than 30 miles per hour with a 150-pound rider on a dry, level, hard surface with no wind and having a seat for the operator. ‘Motor bicycle’ does not include an electric bicycle.”

(Source: https://docs.legis.wisconsin.gov/statutes/statutes/340/01/29m)
Vector graphic of Wisconsin
LicensingMinimum AgeRegistrationInsuranceHelmet
MotorcycleMotorcycle License16RequiredRequiredRequired if under 18
Required if holding a motorcycle instruction permit
MopedAny License16RequiredRequiredNot Required
Motor BicycleAny License16Not RequiredNot RequiredNot Required
(Sources: https://wisconsindot.gov/Pages/dmv/motorcycles/mc-how-aply/mc-md-lic.aspx; https://wisconsindot.gov/Pages/dmv/motorcycles/mc-safety/mopeds.aspx; https://oci.wi.gov/Pages/Consumers/PI215.aspx; https://wisconsindot.gov/Pages/dmv/teen-driver/yr-frst-lcns/drivrlic.aspx; https://wisconsindot.gov/Documents/dmv/shared/bds110-mc-manual.pdf; https://docs.legis.wisconsin.gov/statutes/statutes/341/i/05/23)