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Recent content by Zacray250

  1. Z

    1991 omc 4.3 weak spark

    I have a 91 omc 4.3 that has points ignition the motor runs really good for about an hour with new plugs then starts to run sluggish. I pulled the plugs and checked the spark it’s yellow. I replaced coil plug wires cap rotor points still have a weak spark any help?
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