What are the licensing laws for motor scooters (under 50cc) …
Licensing for a scooter or moped depends on whether the vehicle meets the definition of a motorized bicycle. The Missouri statute definition of a motorized bicycle is as follows: “Any two-wheeled or three-wheeled device having an automatic transmission and a motor with a cylinder capacity of not more than fifty (50) cubic centimeters, which produces less than three (3) gross brake horsepower, and is capable of propelling the device at a maximum speed of not more than thirty (30) miles per hour on level ground.” A motorized bicycle does not have to be registered with the Missouri Department of Revenue. However, you must have a valid driver license (though no motorcycle endorsement is required). Missouri statute does not require a helmet to be worn when operating a motorized bicycle. Please contact your local law enforcement agencies for any county/municipal codes that deal with helmets and motorized bicycles. Keep in mind that no motorized bicycle may be operated on any public thoroughf
