Quote:
Originally Posted by ol'George
Did you replace the bad spark plug? if not replace or swap sides and see if the dead cylinder follows the plug.
It is possible for a plug to look good. and not fire.
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Also see if any of the plug wires are shocking you; if so replace. On a newer unit, it's probably the coil, but still good diligence to check.
That stumped me for a little bit on my 982/4 (first time I've come across a bad plug wire that only caused the cylinder to die on idle).
Probably not great for the coil! 
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