The law in Oklahoma states that a motorized bicycle is any bicycle having:
- Fully operative pedals for propulsion by human power;
- A power drive system that functions directly or automatically without clutching or shifting by the operator after the drive system is engaged; and
- A combustion engine with a piston or rotor displacement of eighty (80 cu cm) cubic centimeters or less, regardless of the number of chambers in the engine, which is capable of propelling the bicycle at a maximum design speed of not more than thirty-five (35) miles per hour on level ground.
A license is not required to ride a motorized biycle in Oklahoma.
Registration is not required to ride a motorized bicycle on public roads in Oklahoma.
Other Motorized Bicycle Laws
Local authorities may prohibit the use of motor-driven cycles on any roadway, but they must erect signs on the roadway.