Thread: Fs ignitions
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Old 01-22-2021, 12:16 PM   #10
duke36
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Join Date: Jun 2015
Posts: 1,414
Default Re: Fs ignitions

I had the 12 v FS zipper which was good except on hills with a H.C. head.; it wouldn't retard enough to prevent knocking. Some owners modify the internals to be able to rotate the dizzy assembly or change out the internal springs. The zipper is not pinned to the head. I removed it , and like others prefer the stock factory setup.
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