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    '99 125 HP 2 Stroke Merc Runs Rough at low RPM

    I do not have a factory manual. Rebuilding the carbs , making sure the fuel line/squeeze bulb is in good shape, and adding an in-line good quality fuel filter were the only things I did to the fuel system.
  2. Y

    '99 125 HP 2 Stroke Merc Runs Rough at low RPM

    Hi- Have had this problem for a couple years. Runs really rough until I increase throttle to 2500 or 3000 RPM, then runs like a top. Thought it was dirty carbs, so I rebuilt them. Leaning toward thinking it is ignition problem now. As far as I can tell, the ignition system was made by CDI. It...
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