"Autocycle" means a three-wheeled motorcycle designed to be controlled with a steering wheel and pedals in which the operator and passenger may ride in a completely or partially enclosed seating area that is equipped with a roll cage or roll hoops, safety seat belts for each occupant, and anti-lock brakes.
"Motorcycle" includes motorcycles, autocycles, motor bikes, bicycles with motor attached and all motor-operated vehicles of the bicycle or tricycle type, except motorized bicycles as defined in this section, whether the motive power be a part thereof or attached thereto and having a saddle or seat with the driver sitting astride or upon it or a platform on which the driver stands.
"Motorized bicycle" means a pedal bicycle having a helper motor characterized in that either the maximum piston displacement is less than 50 cc. or said motor is rated at no more than 1.5 brake horsepower or is powered by an electric drive motor and said bicycle is capable of a maximum speed of no more than 25 miles per hour on a flat surface.
N.J.S. § 39:3-10.34