Recent content by MarkMercury75

  1. M

    Mercury firing problem

    My '98 Merc 75 seems to be using only 3 of the 3 cyclinders. After winter storage there is spark at the wire but when you remove the wire while at idle there is no change in the rpm or operation. When you remove either of the other two you can see the idle smoothnes and rpm change. I tried a lot...
  2. M

    Mercury OB power trim problem

    After winter storage my power trim will not raise or lower the motor. The trim pump motor seems to be running fine. I opened the pressure release valve and can raise the motor manually only a few inches. What could be holding it? Thee are no locks and with the release valve open you are...
  3. M

    Mercury power trim problems

    The power trim motor runs in up or down but the engine does not move after parking it for the winter. I opened the pressure release valve and cannot manually raise the motor more than a few inches. Something seems to be holding it. I cannot trailer it to a shop like this. I cannot access the...
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