Off-highway motorcycle noise emissions and testing

Off-highway motorcycle noise emissions and testing. Off-highway motorcycle noise emissions and testing. No person may manufacture, sell, rent or operate an off-highway motorcycle that is constructed or altered in a manner that noise emitted from the off-highway motorcycle exceeds 96 decibels on the A scale when measured in the manner prescribed in the revised 2017, Society of Automotive Engineers Standard J1287, titled Measurement of Exhaust Sound Pressure Levels of Stationary Motorcycles .