Car wiring diagrams: B50.org Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Enter the world of BSA B This page is made with help from my friends all over the world. Put your flag on my page.BSA B . Bsa B is a four stroke cc single cylinder motorcycle. Made between . History saw the beginning of a complete new engine .Upgrade Available in October LowProfile AC and DC output for T and T Lamps compatibility One or two lamp operation Universal input voltage .