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  1. #1
    Member
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    Nov 2012
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    Southlake texas
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    2016 evinrude Etec 250 G1

    2016 last year they made the Etec 250 G1 engines. I find that when I idle a lot my plugs either foul or carbon buildup (that may mean the same thing). Two questions. Is there any fuel additive that will clean the plugs?
    also what is the model# for plugs for my engine?
    thanks

  2. SC Club Moderator ChampioNman's Avatar
    Join Date
    May 2004
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    Crawfordville, FL/Lake Hartwell, SC
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    71,270
    #2
    XD-100 if you aren't using it and change the oil setting. 3.3L QC10WEP 3.4L QC8WEP gap both at .028"

  3. Member
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    Sep 2021
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    Salem, wi
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    781
    #3
    What is the at idle temperature of the engine? Check the thermostats for operation.

  4. Member
    Join Date
    Nov 2012
    Location
    Southlake texas
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    781
    #4
    Ok I run xd100 always have. How do I change the oil setting and check the temperature thermostats
    Thanks

  5. Member
    Join Date
    Sep 2021
    Location
    Salem, wi
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    781
    #5
    I you want to be a DIY’r pick up a service manual here. https://drive.google.com/drive/folde...kSfjnBGwA-HzsB

    do you have the engine connected into a NMEA2000 network? If no then consider this especially if you have A Simrad, Lowrance, Garmin and humminbird MFD.
    Engine temperature can be displayed in those devices without changing existing gauges. See this link to more information. https://www.bbcboards.net/web/201407...ationGuide.pdf

  6. Member 1BADAIR's Avatar
    Join Date
    Dec 2014
    Location
    OXFORD MI
    Posts
    3,918
    #6
    assuming Its an HO you cant change the oil setting
    2011 Ranger z521/2023 250ProXS