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  1. J

    1989 200HP Mercury Black Max; stalls above 1200rpms in gear

    My 200 HP Mercury black max outboard stalls over 1200 rpms in gear. At neutral, it revs to 5500 rpms no problem, water pump fine; water pressure 20PSI, but, as soon as I put in gear, and go forward over 1200 rpms, the motor boggs down and stalls. I recently wired in the old ignition and new...
  2. J

    200hp Mercury problems removing lower unit

    Hi: The lower unit on my 1989, 200hp Mercury black max is stuck and I can't free it from the main housing to replace the impeller. I followed the service manual to loosen the 5/8" bolts, etc, but the shaft must have been greased or something to seal it. I tried to pry the small seam with a...
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