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    1988 Mercury 150 XR4 black max idles hig and dies at more then 2500 rpms

    Good Day All: I have a 1988 xr4 150 we rebuilt the carbs after sitting for months. I get it to the water idles good a little high about 1000 rpms motor in the no wake zone for about 10 minutes then hit the open water About 3/4's open running at 3500 rpms moving across the water fine. I put it...
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