HELP...!!! 06 250X JETTING
  • User avatar
    steveoverd
    Posts:15
    Joined:Tue Mar 24, 2009 3:51 pm
    HELP...!!! 06 250X JETTING

    by steveoverd » Fri Mar 05, 2010 3:59 pm

    Hi,
    Really need your help need to know best jetting set up for my bike its completely stock except for a FMF slip on Q pipe.
    altitude is 0-500 ft
    temp 40-70 fahrenheit
    Need to know main jet, idle jet, and how many turns for the fuel screw, thanks.
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    bosshaug1
    Posts:1093
    Joined:Fri Sep 28, 2007 11:05 am

    Re: HELP...!!! 06 250X JETTING

    by bosshaug1 » Tue Mar 09, 2010 10:04 pm

    steveoverd wrote:its completely stock except for a FMF slip on Q pipe.


    So you took a lean from the factory bike and made it leaner by adding a less restrictive exhaust.

    I would get a JD jetting kit, use the red needle at the 5th clip position, open the airbox, remove the backfire screen from the air filter cage and run a 162-165 main, 42 pilot and start at about 2 turns out on the fuel screw.
    2006 CRF250X -JD kit, R can/PMB endcap, CCC mods, 05Rcam, flatland rad guards/skidplate, street legal
    2005 CRF50F -stock

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