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Thread: ZXR250a not idling properly

  1. #1
    Join Date
    3rd September 2011 - 13:32
    Location
    Auckland
    Posts
    4

    ZXR250a not idling properly

    Hi, my ZXr250a isnt idling properly, if i adjust the idle screw it will just go up too far or drop down untill it stalls, the revs also move around abit whens its idling aswell. And the revs dont drop back down when you rev it as quickly as they should. My boss said it could be an air hose or a vacuum hose.

    Any help would be much appreciated cheers.

  2. #2
    Join Date
    8th November 2004 - 12:00
    Bike
    GSXR 750 the wanton hussy
    Location
    Napier
    Posts
    12,447
    A common cause of those symptoms is running lean. Often because of an air leak, usually where the carbs meet the manifold. Sometimes it can be the mixture screw/s need adjusting.
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  3. #3
    Join Date
    4th December 2010 - 19:31
    Bike
    Anniversary (99) VFR 800
    Location
    Auckland
    Posts
    97
    i had this problem or something similar read this

    http://www.tecpeltier.com/viewtopic.php?f=16&t=61

  4. #4
    Join Date
    17th July 2005 - 22:28
    Bike
    Over polished wreck.
    Location
    Te Puke-ish
    Posts
    6,112
    Check for air leaks.
    Split hoses, perished rubber.
    Check the slides in the carbs move as they should (youtube is your friend)
    If this is all nice,
    Clean and balance the carbs.
    Life does not give you lemons, lemon trees do.



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