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Bike engin noise
  • Ewan29
    Posts:1
    Joined:Thu Jun 18, 2015 2:32 am
    Bike engin noise

    by Ewan29 » Thu Jun 18, 2015 2:42 am

    Hi guys. My crf250r have a problem. When i start it its fine but when its warmed up it makes a noise. It sounds like a loose bolt that rattles in engin...? What could it be
    :cry:
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    JimDirt
    Posts:4406
    Joined:Sat Nov 25, 2006 6:31 pm

    by JimDirt » Thu Jun 18, 2015 9:40 am

    Sounds like the Timing Chain is loose , could be the tensioner has gone bad , or the chain is just worn out , if it has a lot of time on it , then i would say the chain is worn and needs replacing
    2020 CRF450R
    2006 CRF450X
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    Weiser , Idaho
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