Recent content by IOU1

  1. I

    Question for the pros

    I have a 1990 150hr mariner engine and I have one cylinder that is not giving any spark its number 3. The first test I done is switched the green wire from number 5 cylinder to the number 3 cylinder now I have spark. So I thought it was the coli that was bad and I have replaced the coli to...
  2. I

    Loss power/RPM under engine load

    My engine is a 1990 150hp Mariner and my boat has twin 150’s My port side engine is runs ok when not in gear my RPM can hit 4700. But once I put it in gear RPM only hit about 2700. Now this is what I have done to the engine replace stator, rebuilt Carbs, checked out power packs, and replaced...
  3. I

    ODDD1 or anyone need help

    I have a 1990 150HP Maniner with no spark at first my problem was spark on one side only. after replacing the stator and trigger now I have no spark at all. I pull the switch boxes for other running engine to see if my switch boxes are ok there are good. What eles can I look for without...
  4. I

    Need Help on 150hp Mariner

    Please help me I have a 1990 Mariner V150hp my problem is that one side of the spark plugs are not giving out sparks? This is what I have tested, by the way I have twin 150’s on my boat. What I did is checked the switch boxes/ power pack. I changed them from the running engine to the engine...
  5. I

    OMC 800 with 4.3L 1986

    Ok need some advice on how to change the water pump on the stern drive? I do have a Seloc repair manual and all the basic tools needed. Do I have to remove the whole stern drive I hope not? So far I have remove the lower part of the stern drive and now trying to remove the exhaust housing and...
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