Question about 2008 KTM 450 SX-F

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Ktm 450sxf bike wont start, back wheel wont turn

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  • ja_taylor1 May 30, 2009

    if motor is locked up can it be fixed? How do I go about fixing it

  • George May 11, 2010

    Could you be more specific. If the motor isnt turning over and your back wheel wont move, I would say that it is possible that the motor has locked up.

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Hi, I just had same prob with a mates 07 450sx and it happened when riding it, when i pulled it down i noticed the timing was out. It was a little low on oil and i think what happened was hydrolic cam chain adjuster let go and it spun a couple teeth on exhaust cam. i redone timing and it turned ova fine so i pulled head off and checked valves and they were fine some how and now its goin great. hope this helps and hope your lucky enough not to bend valves. the bike shop told him $2000 at least before even lookin at it.

Posted on Jun 15, 2009

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Will it turn over at all?

Posted on May 30, 2009

  • George May 30, 2009

    if it is lock up, it could be rebuilt by a shop. But I need more info from you before I would haul it to a shop. What was going on when it quit. Were you riding it? Idleing it? I need to know as much info as you can give me.

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