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  1. S

    4-stroke or 2-stroke?

    I have a 2003 40 hp merc that has an oil resevoir. I can't find my manuel and can't remember what stroke it is. Can anyone help?
  2. S

    Hi RPM'

    Mercury 40 HP 4-stroke starts and idles fine. Runs great at half throttle and full throttle. The problem is after running at full throttle. When I return the throttle to any position, even neutral, the motor will not idle down and I have to turn off the ignition to keep the engine from "over...
  3. S

    High RPM"s After WOT

    My 2003 40 HP 4-stroke will not idle down after running with the throttle wide open. Does the throttle friction adjustment have anything to do with this problem? Upon further reading in these forums, I've discovered that the throttle friction adjustment would not be the problem. I still have...
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