2009 CRF250X Athena Big Bore Kit
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    mdoran
    Posts: 2
    Joined: Sun Jun 26, 2011 9:10 am

    2009 CRF250X Athena Big Bore Kit

    by mdoran » Fri Apr 05, 2013 10:23 am

    I have researched and am ready to buy/install an Athena 280 big bore kit along with an FMF megabomb/Q4 exhaust system. For the time being I will be using everything else stock. I am curious as to what jetting I should use and any other useful information that can be provided. My riding is usually in Michigan and Tennessee say 500-2500 altitude max.

    Thanks for any/all input to help make this a successful project.
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    crfsonly
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    Joined: Thu Apr 01, 2004 3:45 pm

    by crfsonly » Fri Apr 05, 2013 7:57 pm

    repsonded to your email on this question. check there for my response.

    ken
    OEM Parts for Honda - Yamaha - Suzuki - Kawasaki: http://yeltrik.com
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