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Thread: Honda CBR 600 RR Mechanical Water Pump Testing

  1. #1
    Hi people,

    Does any of you have any suggestion for testing out the stock mechanical water pump flow rate on the cbr 600 rr ?

    Thank you

  2. #2
    Senior Member
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    Attach a hose to one side and stick it in a bucket with a known quantity of water, time how long it takes to empty the bucket?

  3. #3
    FYI the stock pump is connected to the drive shaft so it's proportional to the RPM.
    www.OspreyRacing.org
    University of North Florida

  4. #4
    Senior Member
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    Brisbane, Australia
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    1. Set limiter to whatever RPM
    2. Mash throttle pedal
    3. Jam hose in bucket

    Repeat for pretty graph.

  5. #5
    Originally posted by Menisk:
    1. Set limiter to whatever RPM
    2. Mash throttle pedal
    3. Jam hose in bucket
    4. Profit!!!

    Repeat for pretty graph.


    Fixed.
    _______________________________________

    Northwestern Formula Racing Alum
    Head Engineer, Frame/Suspension 2006-2009

    My '73 Saab 99 Road Race Build

  6. #6
    Just thought I'd spam once again - we tested and found the flowrate for a Honda CBR600RR (03-06) stock mechanical water pump. Data and plots are here: Honda CBR600RR water pump flow rate test results

    For reference, the Davies Craig EWP115 flows around 30L/min (through the block and radiator and hoses) at 12V and uses round 8.5A while doing so.
    Rex Chan
    MUR Motorsports (The University of Melbourne)
    2009 - 2012: Engine team and MoTeC Data acquisition+wiring+sensors
    2013 - 2014: Engine team alumni and FSAE-A/FStotal fb page admin/contributer

    r.chan|||murmotorsports.com
    rexnathanchan|||gmail.com
    0407684620

  7. #7
    suggestion for testing out the stock mechanical water pump flow rate on the cbr 600 rr
    The best way to find the flow rate is to buy a flow meter from McMaster and hook it up inline with the stock cooling system in place.

  8. #8

    The best way to find the flow rate is to buy a flow meter from McMaster and hook it up inline with the stock cooling system in place.
    Ha ha. This spam bot actually makes a valid point. Adding restrictions reduces flow, and the two different water pumps may have much different responses to this. Especially an electric pump.

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