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87 trx 250

  1. 87 Trx 250 wont idle down

    Engine/EFI/Drivetrain
    I recently started working on this four wheeler about a month ago the engine starts fine and idles fine at first but when it warms up it slowly starts revving up. I have taken the carb off and cleaned it thoroughly and it still revs up. If anybody has an idea I'm all ears. Thanks.
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