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Thread: Throttle flat spot Tri-Z 250.

  1. 09-18-2004, 08:02 PM #1
    simonswanson
    simonswanson is offline New to the board Arm chair racerNew to the board
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    Throttle flat spot Tri-Z 250.

    Have got a clean 85 Tri_z 250.. It runs great at idle and starts first kick every time.. But seems to have a flat spot around mid throttle.. Im wondering if this might have something to do with the vacuum fuel pump ?? Or is it just a carb and jet problem
    Any help would be great...
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  2. 09-18-2004, 08:07 PM #2
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    OldSchoolin86
    OldSchoolin86 is offline Within Arms Reach Of The Master Arm chair racerLord of the trike
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    Raise you needle up one. Do that by lowering the clip one position. Your needle handles your mid range. If you need to, do it again but I suggest only one position at a time.
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  3. 09-18-2004, 08:15 PM #3
    simonswanson
    simonswanson is offline New to the board Arm chair racerNew to the board
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    Thanks man I am off to try that right now
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