I don't think polarity would have anything to do with ignition timing or the engine running backwards.
Back in the day some of my buddies ran generator ignition type 125s and 165s just using a 6 volt lantern battery constant loss negative ground to power the ignition.
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Bike goes in reverse
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Re: Bike goes in reverse
by pumpguy » Wed May 24, 2023 11:41 am
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