My little dual sport bike doesn't even have a battery. Lights and everything run off the alternator. The CDI ignition module went out once but I carry a spare. My other dual sport has a battery to run the electric starter and power the turn signals, but it also has a kick starter and will run and the rest of the lights will work without the battery. I carry a spare CDI on that one too.
Originally Posted by Tepi
Unless you have magneto ignition on your bike, you're going to need power/battery for ignition. Therefor carbed bikes WILL need a source of power, so if your magneto/alternator dies and your battery runs out, you're still shit out of luck. Might wanna find a diesel bike, they should basically run without power if you get them started.