Pennsylvania

Motorcycle:

“A motor vehicle having a seat or saddle for the use of the rider and (1) designed to travel on not more than three wheels in contact with the ground; or (2) designed to travel on two wheels in contact with the ground which is modified by the addition of two stabilizing wheels on the rear of the motor vehicle. The term includes an autocycle.”

Motor-Driven Cycle:

“A motorcycle, including a motor scooter, with a motor which produces not to exceed five brake horsepower.”

Motorized Pedalcycle:

“A motor-driven cycle equipped with operable pedals, a motor rated no more than 1.5 brake horsepower, a cylinder capacity not exceeding 50 cubic centimeters, an automatic transmission, and a maximum design speed of no more than 25 miles per hour or an electric motor-driven cycle equipped with operable pedals and an automatic transmission powered by an electric battery or battery pack-powered electric motor with a maximum design speed of no more than 25 miles per hour.”

(Source: https://www.legis.state.pa.us/WU01/LI/LI/CT/HTM/75/00.001.002.000..HTM)
Vector graphic of Pennsylvania
LicensingMinimum AgeRegistrationInsuranceHelmet
MotorcycleClass M16RequiredRequiredNot required for operators 21+ (if license has been held for 2+ years or with completion of motorcycle safety course).
Not required for 21+ passengers of an exempt operator.
Not required for 3-wheeled motorcycles equipped with an enclosed cab.
Motor-Driven Cycle (Over 50cc)Class M – Restricted
(5 bhp or less)
16RequiredRequiredSee above.
Motor-Driven Cycle (50cc or less)Standard
License
16RequiredRequiredSee above.
Motorized PedalcycleStandard
License
16RequiredRequiredNot Required
(Sources: https://www.dot.state.pa.us/Public/DVSPubsForms/BMV/BMV%20Fact%20Sheets/fs-momo.pdf; https://www.dot.state.pa.us/Public/DVSPubsForms/BDL/BDL%20Manuals/Manuals/PA%20Drivers%20Manual%20B y%20Chapter/English/PUB%2095.pdf)