Mercury 9.8

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Posted by steve ( on September 28, 2005 at 21:49:34:

I have a Mercury 9.8 that will pee only at an idle. As soon as I raise the RPM it stops peeing and starts steaming. I've installed a new impeller, new upper and lower seals, and cleared all the lines with a air line. I noticed when I hook a water line to the lower tube that comes from the pump, more water comes out 2 little holes under the motor inside the tunnel. The pump seems to be working when I hook a drill up to it. It's a 1/2 drill which doesn't turn very fast but I don't see how it's making enough pressure to bleed from these holes and still go up to the power head.

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