Kevin, make sure your timing is set right.
read this and this break>
It's really easy once you get the hang of it.
You've got to narrow down what it could be (fred's guide!) and eventually you'll find the answer. Make sure things are grounded properly. My old 103 had weird issues with idling due to lighting that grounded out. Make sure you're actually hardwired (your lighting and ignition wiring are totally separate from one another). Are you sure they aren't connected through, say, the old condenser in your magneto or maybe the points or lighting coil? Or that weird reactance coil behind the headlight? That could be your problem honestly.
Once you have your timing set, wiring straight, carb clean, and have checked for airleaks (if you can't idle, you might want to adjust the carb so it engages the clutch at idle, then you can spray carb cleaner around), you should be able to narrow it down.