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    1993 Merc 90Hp. Intermittent spark on two Cylinders and low voltage from stator while cranking.

    The parts arrived early enough today to install. Did a couple of DVA tests before trying to start it. Primary to the coils were still a little low I think. All 3 were just over 150Vdc but that's double what they were. The switchbox stop circuit is now 220Vdc which is over double what it was so...
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    1993 Merc 90Hp. Intermittent spark on two Cylinders and low voltage from stator while cranking.

    This problem started 3 years ago. Started up and ran normally a couple of times then after a startup it was obviously not firing on all 3 cylinders. It seemed more like only one. I installed new plugs, no help. I took it to the marina, they put a plug tester on it and diagnosed it as a bad...
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