Been working on this bike and had no power to 1&4 coils. Turned out to be bad points/condensers. Now when I turn the bike on this awful screech kills the engine. I removed the starter motor to see if it was the problem but it still happens. It's just strange because when it was only running on 2&3 coil it never happened but ever since I got all 4 firing I now have this problem.
Here is a vid of the noise killing the engine. It sounds like a louder version of the starter motor.
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