New Mexico Statutes Chapter 66. Motor Vehicles § 66-7-405. Minimum vehicle size

(1) with a wheelbase, between two axles, of less than three feet four inches;

(2) with a motor displacement of less than forty-five cubic centimeters; or

(3) any motorcycle with less than a twenty-five inch seat height measured from the ground to the lowest point on the top of the seat cushion, without a rider.