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  1. #1
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    May 2009
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    Grant Valkaria
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    Boost and high pressure pump pressures

    I have an Optimax 225 serial #1B378539. What are the specifications on the 2 fuel pumps in the VST? The pump model numbers are 888725T02 and 888733T02. What are pressures, flow rate, and current draw of each?

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    Apr 2008
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    Greenville, SC (US)
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    #2
    Mercury does not supply those specifications- they simply provide diagnostic data for excessive current draw, and appropriate fuel pressures for the Low Pressure (and High-Pressure) circuits, and a capability test for the HP pump output. See the Service and Diagnostic Manuals for complete details.


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