WAC 204-53-010. Helmet exemption—Antique motor-driven cycle

As the term is used in RCW 46.37.530 (1)(c) and this section, an antique motor-driven cycle is a motor-driven cycle not less than forty years old which has been restored to its original condition and which is being ridden on a closed road during a parade or public demonstration that has been permitted by a local jurisdiction. Further, an antique motor-driven cycle will not be powered by a motor which produces more than five brake horsepower as defined in RCW 46.04.332 .