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  1. 1

    Mercury bucks like a bronco

    This is my first post. I have a 90 HP 2002 Mercury 2-cycle that runs like a bucking bronco at idle and at speeds under 2,300 RPM. I cleaned it with sea foam, and with Mercury carburetor cleaning. No help. I changed the plugs, no help. So I took it to the Marine shop and they cleaned the...
  2. 1

    Mercury 90HP 2-stroke rough running

    This is my first post. I have read all the rough idle posts and still have a question. I have a 2002 90HP 2-stroke Mecury Outboard that runs smooth after 2,300 RPM, but misses, smokes, idles rough to beat the band at idle and at trolling speeds. I have had it to one repair shop who cleaned the...
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