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  1. #1
    Member
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    Jul 2014
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    Oklahoma City
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    2011 operating temps

    SN:1B841605. 2011 150 optimax
    I just installed VesselView. Can anyone tell me what engine temps I should see while idling and cruising at higher speeds? Thanks.



  2. Member
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    Jun 2013
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    LONGVIEW TEXAS
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    #2
    varis due to water temps , mtr has 143 thrmostats in it watch for open and closing
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Member
    Join Date
    May 2011
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    Spangle, WA
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    #3
    +1 and as Joe stated the 2.5L Optimax has 143° stats. Should see them reach full open around 148° - 153° depending on surface temps. Temps will drop once you accelerate and poppet starts to open. I see this above 1500rpm on my 150.
    _______

    Phil
    '09 Hewescraft ProV
    '09 150 Optimax


  4. Member
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    Jul 2014
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    Oklahoma City
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    #4
    Perfect, thanks for our replies.