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About chevyusa46

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    TT Newbie

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  • Location
    New York
  1. chevyusa46

    2000 ttr125l adjustment

    i have a 2000 ttr125l i am showing a black powder on the plug,air box modification has been done also 17.5 pilot and 110 main jets also kn filter. ive tried adjusting the air screw from 1/2 turn out to 3 turns with no difference in the plug color.take 3 kicks to start cold/one kick warm runs great ..any sugestions would help..thanks