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COP Ignition Timing Check


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For those of you who switch to coil on plugs (COP) for either reliability with a stock CDI or conversion to EFI, here's a quick overview of how to make a lead wire for checking the timing. Cut your old coil wire flush (past the retainer bite marks), then insert a parallel pair of safety wire alongside them into the insulation. Add a standard bullet connector and crimp/heat shrink. Connect this between your #1 COP and the spark plug then clamp on your inductive timing light and you're good to go. Provides a nice repeatable pulse.

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