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2004 KAWASAKI KXF250

JUST PUT TOGETHER A 2004 KAWASAKI KXF 250 AND IT WILL NOT START OR EVEN BACKFIRE IF YOU SQUIRT FUEL DIRECTLY INTO THE INTAKE AND KICK IT OVER.IT HAS PROPER COMPRESSION ;THE CAM AND VALVE TIMING ARE CORRECT AND IT SEEMS TO HAVE GOOD SPARK.IT ALSO HAS A COMPLETE NEW HEAD;NEW VALVES;NEW CAMS;AND NEW PISTON ;PISTON RINGS AND A NEW CYLINDER.EVEN HAD A LOCAL SHOP TECHNITIAN LOOK AT IT AND HE SAYS THAT HE CANT FIGURE IT OUT.PLEASE HELP ME I AM DESPERATE.

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  • hgtstang97 Nov 26, 2008

    THANKS.I TRIED THAT AND STILL NO LUCK.

  • hgtstang97 Nov 27, 2008

    CHECKED BOTH F THESE ALSO.STILL NO LUCK'

  • hgtstang97 Nov 28, 2008

    I HAVE AN EXTRA ENGINE AND STATOR AND SWAPED THEM BOTH AND STILL NO LUCK.IM REALLY STUMPED ON TIHS ONE!!!!!

  • gannut Dec 01, 2008

    Have same problem, bike use to start hot or cold well but went out on it one day, and would not start took it apart and found one ring stuck.

    New every thing in there put it all back together and still will not start new plug put in loads of spark all at right time and not a thing. Will not bump start so do not no what to say. For a bike that started so well hot! or cold, what else can i do.

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  • 41 Answers

Try a new plug sometimes a plug will not fire under compression. also adj the valves

Posted on Nov 25, 2008

  • Steve Worthey Nov 26, 2008

    check flywheel key, check ex pipe to see if stopped up

  • Steve Worthey Nov 27, 2008

    Hello, If all new parts are correct, timming is correct,you have good fire, then good chance your flywheel is bad

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Displacement: 249cc
Bore x stroke: 77.0 x 53.6
Cooling: Liquid
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Ignition: Digital AC-CDI
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