Motorcycles with engines smaller than 125 cc are: Question Motorcycles with engines smaller than 125 cc are: Answers Not viewed differently than motorcycles with engines larger than 125 cc. Prohibited from freeways and limited-access highways. Not permitted on any road. Used only for short trips. Explanation In Michigan, motorcycles with engines smaller than 125 cubic centimeters (cc) are not allowed on freeways or limited-access highways.