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Cutting out 2009 KTM 250 XCF

2009 KTM 250 xcf-w. First, it started cutting out at under high rpm load at race temp. Would run great at all other rpm levels. On the last ride, that was not an issue, as it would run like a beast in deep sand and high rpm; however, it died on me like 6-7 times. A couple seemed like typical 4 stroke flameouts which have never been an issue in the past; but, the other times the bike would just start bogging like it lost ignition. Then, it would suddenly pick back up. One time, it made stuttering and picked back up. Coil, stator, cdi??? Trying to start at a most likely place to fix it. @

Posted by Anonymous on


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  • 86 Answers

SOURCE: 2005 ktm 450 sx die while riding.

yes, you are correct, those are the two pieces that could solve your problem, but i would go first for your cdi, you may choose to have it tested first also, before you jump out to buy a new one.

Posted on Nov 24, 2008


Douglas Hansen

  • 2050 Answers

SOURCE: 2005 KTM 250 4 stroke.

Do a compression test, you could have bent a valve.

Posted on Jul 14, 2011

Testimonial: "I have two possible solutions. That's two more than I started with. I thought the help was awesome."

Mr BrokRench

Mr BrokRench

  • 1623 Answers

SOURCE: i ride a 1986 shadow

You need to check for spark when the back cylinder is not firing to see if that is the problem...from there it will be easier to troubleshoot...also check for vacuum leaks.

Posted on Jul 26, 2011

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