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  1. M

    2000 Mercury 125hp 2-stroke

    Mercury engine runs fine at idle, but as soon as you accelerate the engine starts running rough. Once you reach 30mph it seems to be fine. If you hit a big wave, the engine will misfire and run rough for several seconds and then go normal. Last year a dealer changed the stator, trigger coil...
  2. M

    1999 125hp no spark bottom 2 cyl

    This boat was at the dealer. The said it was the coil. changed no difference. Said it was the stator, changed. Still same. They said it was trigger coil. changed still same, now they are saying its the flywheel. There is still no spark on the bottom two cylinders. My Friend has been without a...
  3. M

    1999 125 hp max 2500 rpm. no power.

    a friend just had boat serviced at a mercury dealer, changed coils, not the issue, changed the stator. still not running well. Full throttle, 2500 rpm, will not level off. Not sure of the problem now!! any ideas. I am in the process of checking the trigger, but not sure how to check it on...
  4. M

    1997 Mercury XR6 150 no spark 1 and 4 cyl

    I have a 1997 Mercury XR6 150. I was using the boat Tuesday night and engine was running fine. On Wednesday morning, I couldn't get plane. The boat had no power. I changed all the plugs, the same. Today I did compression test 128 all 6, but no spark on #1 and #4, 2 different banks. I...
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