Headlight Wiring Diagram Motorcycle - Ariel Motorcycles & Parts For Sale! To list Ariel related items email [email protected] All ads will list your email address. If you want your phone number listed please include that also.. British Only Austria offers British Motorcycles and Spareparts from 1900-1980. Classic Motorcycle electrics. A REG SIX £34.95. This 6V regulator will suit any Lucas / Miller type 6V alternator and will give proper Voltage control to prevent boiled batteries/blown bulbs and allow the safe use of AGM batteries such as the Cyclons..