Eligibility for on-highway registration
To be eligible for on-highway registration, 1978 year model and newer off-highway vehicles with an engine size of 50 cubic centimeters (cc) or larger must have an emission label affixed to the vehicle indicating certification by the manufacturer for on-highway use.
Exception: 2005 year model or older motorcycles with an engine size of 50 cc or less are exempt from the emission label requirements.