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  1. 07-02-2017, 07:25 AM #1
    Cull5
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    2008 Mercury Verado 250 blowing white smoke

    just notice my 250 verado was blowing white smoke when it went to put it on the trailer ? any thoughts. its running great but I haven't noticed that before. For some reason today when I tied up I left it running and noticed the white smoke. when I turned it off it slowly went away. running it on a 620 ranger
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  2. Cull5
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    #2 07-02-2017, 08:33 AM
    brought it home and put rabbit ears on it and ran for 10 mins........no smoke. temp at 136. Could this be intermittent ?
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  3. Cull5
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    #3 07-02-2017, 10:03 AM
    could it have been from a cool morning..........water temp and air temp both about 58 degree.
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  4. Cull5
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    #4 07-02-2017, 01:30 PM
    just spoke with my dealer and he said no issue. As long as its not blue smoke and doesn't smell. Would like to hear a Merc guys opinion
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  5. iron banks
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    #5 07-02-2017, 02:17 PM
    My 350 verdao sometimes has white looking smoke, believe just the exhaust.
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  6. vicsservice
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    #6 07-03-2017, 06:30 AM
    White smoke could of just been steam? Probably more noticible when loading the boat on the trailer, you might of submerged the idle relief hole.
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  7. Cull5
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    #7 07-03-2017, 07:52 AM
    so if its not a reoccurring thing then I don't have any concerns ? thanks for your input and help
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  8. 2500
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    #8 07-03-2017, 11:46 AM
    Mine does it sometimes, mainly when idling long time and after hard run and let idle.
    JEFF MURRAY USMC
    RANGER Z521C & 15 VERADO PRO 250
    DEEP CREEK LURES and ROSE JIGS
    GREENFISH TACKLE and ALX RODS
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  9. Cull5
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    #9 07-03-2017, 12:45 PM
    perfect..............that's exactly what we did. a good run and then some idle time.

    great help guys
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  10. EuropeanAM
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    #10 07-11-2017, 12:44 PM
    Quote Originally Posted by Cull5 View Post
    could it have been from a cool morning..........water temp and air temp both about 58 degree.
    Pretty common when you're at or below the dewpoint.


    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
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  11. btsmbass
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    #11 07-12-2017, 09:26 AM
    White smoke ok, blue smoke take it to your dealer.

    CLOSED GAMEFISHING SEASONS IN WI HAS NO BIOLOGICAL CREEDENCE!!!
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  12. Cull5
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    #12 11-22-2017, 12:56 PM
    It was white smoke............running perfect and only at 1400 hrs I continue to hear about guys getting 5000+ hrs on verados ?
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  13. EuropeanAM
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    #13 11-24-2017, 05:34 PM
    Yup... quite common to see them well into the thousands of hours now.


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