The dreaded wiring
Wiring. Don’t panic! There’s something about wiring that strikes fear into the heart of the most competent spannermen. As we all know, electrics work on a kind of magic blue smoke. You have to keep the smoke trapped in the wires and components by connecting them up just right, because if you get it wrong there is a bang and the smoke comes out of the components, they never work again. Like my zener diode in an earlier post. That’s nonsense of course, and vehicle electrics are actually pretty simple, especially on a classic bike. It does not have an ECU, a CDI, a reg/rec or any other modern computery stuff. It does not have any of those lamba sensors or mass air flow sensors or coolant sensors that festoon modern engines. It does not have a clutch or side stand switch, because there is no starter circuit or starter safety circuit, because there is no starter motor. There are no relays anywhere and it does not even have a fuse box. What it has is just enough wiring to create a spark at t...