Thread: 09 250 ho

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  1. #1
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    09 250 ho

    When I go to my local idle only lake 5 to 8
    times in a row. I been having problems with
    my plugs getting fouled. Has anyone had
    this problem? I only use XD 100.

  2. SC Club Moderator ChampioNman's Avatar
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    #2
    How many hours on them? Maybe time for a new set.

  3. Member
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    #3
    Not many hours. I Been changing them out
    every year cause of this problem.

  4. SC Club Moderator ChampioNman's Avatar
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    #4
    May want to check your head temps with an IR gun. May not be getting up to temp on an idle only lake. None of the DI motors like to idle.

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    #5
    What is a DI motor

  6. SC Club Moderator ChampioNman's Avatar
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    #6
    Direct Injected, from the FICHT on up.

  7. Member
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    #7
    thermostats stuck open?
    2022 z519 cup 225 merc 4s ser # 3B210484. 2--hds12 live units. 2 poles, atlas plate, ghost, hamby's, active target, merc digital gauges
    2002 basscat pantera 3 (dad bought new) sold 8-2-22
    2000 stratos 20 ss (bought new) 200 hp Rude ficht great boat/motor sold 11-21
    pulled by a 2500HD Denali
    proud dad of an ARMY Captain
    MAGA
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  8. Member
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    #8
    If I have a thermostat stuck open. Would I lose any Speed on the top end?

  9. Sprint Boats Moderator Bassmeister's Avatar
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    #9
    No sir....

  10. Member
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    #10
    Quote Originally Posted by Shane s View Post
    If I have a thermostat stuck open. Would I lose any Speed on the top end?

    no just foul out plugs a lot and only reach operating temps when worked some on a longer run. also carbon up motor if not correct
    2022 z519 cup 225 merc 4s ser # 3B210484. 2--hds12 live units. 2 poles, atlas plate, ghost, hamby's, active target, merc digital gauges
    2002 basscat pantera 3 (dad bought new) sold 8-2-22
    2000 stratos 20 ss (bought new) 200 hp Rude ficht great boat/motor sold 11-21
    pulled by a 2500HD Denali
    proud dad of an ARMY Captain
    MAGA
    ASE/GM Master tech before tools

  11. Member
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    #11
    Whats your temps when idling? I have a 150 G1 that spends 4 hours plus each outing idling(trolling). Plugs look almost new at about 50-75 hrs when i change them out... though i try and get a hard run at the start and end of each day to help clean her up.

  12. Sprint Boats Moderator Bassmeister's Avatar
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    #12
    I fish idle only lakes close to home when I don't feel like making a drive. The engine dosen't like it on consecutive trips, but I take her out every few times to the big lakes and let her eat, that helps the plugs a lot....I'm running an 03 250 DI. I was not aware that the ETEC's were prone to this problem.....but take her out and let her eat once in a while and she will be fine.... or change plugs..... The XD-100 oil helps some with the idleing problem also...