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  1. #1
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    2008 Mercury 225 Pro XS

    Engine runs fine until I get to 5600 rpms. From then on it struggles to get to 6000 rpms. Almost feels like it hits the rev limiter. Any ideas?... Dan

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    Greenville, SC (US)
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    #2

    Re: 2008 Mercury 225 Pro XS (Dan200xl)

    Would be a good idea to start with some basics:

    -Compression test

    -SPARK TEST.... including inspection of Spark Plugs, and replacement if needed

    -Fuel/Air Pressure Tests

    -FUEL DELIVERY TESTS (including verification of fuel lines)

    -COMPUTER DIAGNOSTIC SYSTEM PRINTOUTS (Run History and Freeze Frame "Fault" History)




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