Recent content by Quallsj

  1. Q

    Slow 9.9 Mercury

    I'm taking it in to the shop tomorrow. I'll let you guys know what I find out. Thanks for all the help!!
  2. Q

    Slow 9.9 Mercury

    Thank you. I just now saw this. I appreciate the info.
  3. Q

    Slow 9.9 Mercury

    Hi. I have a 2005 Mercury 9.9 that seems to run great EXCEPT the boat is extremely slow relative to what that motor should do. It's running maybe five or six mph loaded. I noticed the anti-ventilation plate is 1 3/16" below the bottom of the boat. Could that alone cause such a drastic drop in...
  4. Q

    Slow 9.9 Mercury

    Thanks for the info. The boat is running slow. I'm thinking I may need to raise the motor as the anti-ventilation plate is 1 3/8" below bottom of boat as well as get a new prop.
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    Slow 9.9 Mercury

    Thanks for all the info. Greatly appreciated! The current prop is an 8.5 x 8, but that's not factory. Factory is supposed to be 8.9 x 9.5. Not sure what Mercury means by "8.9." 9 inches maybe. I just measured and my anti- ventilation plate is 1 3/8" BELOW bottom of the boat. Would that be enough...
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    Slow 9.9 Mercury

    Thanks for the info. This is a second-hand 4-stroke motor. When I first got the motor, it wouldn't start very well at all. It would turn over but never actually start. I took it to shop for that. Turns out carb was pretty gummed up. He cleaned the carb and installed a new fuel line. The motor...
  7. Q

    Slow 9.9 Mercury

    Thanks! Will do.
  8. Q

    Slow 9.9 Mercury

    Hey, guys. I have a 2005 Mercury 9.9 that is running extremely slow. Like 5 or 6 mph on my 14' flat bottom. I know it should be doing around 20 mph. I don't think the prop is spun, but rather I think it just has the wrong-sized prop on it. It has a 8.5x8 prop, and the edges are fairly rough...
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