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  1. 10-09-2017, 08:05 AM #1
    Astyle954
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    ProXS water pressure

    I was reading past posts and stickies about operating and idle pressures. My idle pressure shows 0.8 psi. MM , but the stream is strong. Is the idle water pressure the only real indication of water pump condition because of ram pressure?
    I still have the same water pump from when i purchased the boat so I think I will refresh it to know exactly where it is but just curious.
    As I understand min at idle 1.5-3 and min WOT is 15 psi or more.
    I am running hydraulic plate so just wanting to make sure I know what I need to be looking for.

    225 ProXS TM lower gen 1
    1B380805
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  2. Savage
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    #2 10-09-2017, 08:34 AM
    Visual inspection and pressure/temperature are the only indicators.


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  3. EuropeanAM
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    #3 10-09-2017, 11:36 AM
    +1

    Once per year, or every 100 hours (whichever occurs FIRST).


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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