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    2015 Mercury EFI Four Stroke 75hp water pressure gauge

    I got a great deal on a brand new 2015 75hp motor to replace my 2001 2 stroke. I am trying to figure out the procedure to be able to use my analog gauge that's in my dash from the 2 stroke. I found a digital sensor on the top of the block by the fly wheel that I believe is for the water pressure...
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    Water Pressure Gauge Stuck

    I have a 90hp 2 stroke Mercury. Last year, the water pressure gauge got stuck. It doesn't zero out when the motor is off. While running, it still shows pressure, it just doesn't go back to zero. Yesterday I had some time and thought maybe there was water in the line leaving a constant pressure...
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