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  1. J

    Low RPM in water, High RPM out of water

    I have a 1998 GTX fuel injection, 127 hours. Compression test shows 125 psi on both cylinders. New plugs, new injectors. When I am in the water it will only hit 3140 rpm and 10 mph. When I have it hooked up to the water hose I can tap it out at about 6700 rpm. Wear ring looks good. Starts right...
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