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Dummy's guide to a tune

Discussion in 'FZR250.com - Archives' started by kufungster, Oct 14, 2007.

  1. kufungster

    kufungster New Member

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    I need to tune my bike. I've only got it to 120kms/hr, and it idles fairly weakly, and has a major flatspot from revving the throttle until when the revs actually catchup.

    I changed the spark plugs, the air filter is clean.

    What next?
     
  2. dave

    dave Well-Known Member

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    Have a look at the "how to's" regarding carb cleaning and adjustments, I think your answer lies there..
     
  3. kufungster

    kufungster New Member

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    I didn't find anything in that section regarding that, I used search too

    I heard about adjusting the exup cable too??
     
  4. dave

    dave Well-Known Member

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    I don't think the EXUP is the problem.. But it is easy to check should start opening at 3-4,000rpm and fully open at about 10,000rpm..
    <!-- m --><a class="postlink" href="http://fzr250.com/viewtopic.php?t=676">http://fzr250.com/viewtopic.php?t=676</a><!-- m -->


    This one should help see if your float leves are good
    <!-- m --><a class="postlink" href="http://fzr250.com/viewtopic.php?t=1487">http://fzr250.com/viewtopic.php?t=1487</a><!-- m -->

    and these to balance, etc..

    <!-- m --><a class="postlink" href="http://fzr250.com/viewtopic.php?t=673">http://fzr250.com/viewtopic.php?t=673</a><!-- m -->
    <!-- m --><a class="postlink" href="http://fzr250.com/viewtopic.php?t=1702">http://fzr250.com/viewtopic.php?t=1702</a><!-- m -->
     

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