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  1. C

    2000 200hp Fuel Pressure Issues

    Thanks for taking a look at my post, looking for some help with this motor. The motor is the VX200TLRY that seems to be running with very low fuel pressure from the 3 pulse pumps causing it to die after idling for a while. I put a guage on them last weekend and found that they are only putting...
  2. C

    Colortune???

    Anyone ever heard of a carburetor tuning tool called Colortune?? I?ve been really struggling on getting my 1988 Mercury 150hp XR4 to run the way it?s designed, while I?m still waiting for the carb kits to get delivered, I was talking to a friend who has a device called a Colortune. Supposedly...
  3. C

    1988 150hp Mercury XR4 - Can't get out of the Hole

    I am struggling with getting the 1988 150hp XR4 Merc to run right, as I accelerate out of the hole, the motor will begin to take off (rev up) but then dies. If I choke it until it starts to lope, basically over fueling it, the motor will pick up and take off. Thought I?d summarize the various...
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