North Dakota Century Code Title 39. Motor Vehicles § 39-27-10. Fenders

Each wheel of a motorcycle must be equipped with fenders or otherwise covered by the body configuration. Fenders must be securely mounted and of sufficient size and strength to minimize water or other road surface substances from coming in contact with the vehicle riders, or throwing the road substances unreasonably to the rear of the vehicle. Fender design must be effective in reducing side spray.