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Discuss engine, fuel injection, air intake, and drivetrain modifications here
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TRX General Discussions

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1991 Honda 250X Fourtrax
1991 Honda 250X Fourtrax 1991 Honda 250X four...
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Her's
Her's 2019 Honda TRX250X (...
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Wade Shoot's 1986 Honda TRX 70
Wade Shoot's 1986 Honda TRX 70 1986 Honda TRX 70
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Wade Shoot's 1985 Honda TRX 125
Wade Shoot's 1985 Honda TRX 125 1985 Honda TRX 125
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Trending Discussions All Trending Discussions →
  1. TRX300 no or weak spark

    TRX General Discussions
    Hi all, I have a 1989 TRX300 4x4 which I am having spark issues with. At first I thought it was the ignition coil and have replaced that with a brand new one but still nothing. next step was the CDI. With the spark plug removed I can only get a weak spark when the starter button is first...
  2. Carburetor Basics ( Thanks to Saber6)

    Maintenance / Important Information
    Many people believe that carbs are very complex, but with a basic understanding of how carbs work, you will have no problem with performing your own carb adjustments. First off, there's 2 basic fuel related problems. You either have a rich mixture, or a lean mixture. A rich mixture is...
  3. 400ex PROPER VALVE ADJUSTMENT (i know theres a sticky, but something was left out)

    Maintenance / Important Information
    Here is a VID i made of what the right exhaust may look like if you dont take the decompression mechanism into consideration when adjusting... Here is the proper procedure, its also in my VID description.. THE CORRECT PROCEDURE TO ADJUST THE VALVES: 1. Remove the spark plug and both allen caps...
  4. Neutral safety switch?

    TRX General Discussions
    2007 trx90. The green neutral indicator light recently stopped coming on even when in the neutral position... After clicking the shifter up and down a few dozen times I can get it to come on and only then will the quad start. Is this a neutral safety switch issue or could it be something else
  5. TRX won't start

    Maintenance / Important Information
    I'm trying to fix my friends TRX250, not exactly sure of the year but I'm pretty sure it is a 99 ca model. Problem is when I turn the key the neutral lights but I get nothing when I press the starter button, not even a click. Kill switch is in the correct position. Battery is fully charged...
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