If a/the pulse coil(s) were faulty, the bike would either not run, or run very badly and/or misfire.

The RC Valves are integrated into the PGM-II, PGM-III, and PGM-IV boxes, but still work independantly from the CDI. This is why they can fail but the bike will still happily run.
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Andy.
NSR-WORLD.COM

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