Reply To: Mid 70’s OMC. No spark.

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September 10, 2025 at 2:16 pm #299760
Don
Participant

    US Member

    OK, not seeing this model number on marineengine.com.  Could be a commrecial or international model…

    In any event, not totally sure I under stand just what and wear you are testing resistance.    Post some pictures of the engine and point out what leads you are testing for resistance.

    When you say “nothing”, I am assuming you mean infinity.