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2009 CRF450X re-jetting with fmf pipe
  • clements1993
    Posts:2
    Joined:Sun Oct 06, 2013 4:26 pm
    2009 CRF450X re-jetting with fmf pipe

    by clements1993 » Sun Oct 06, 2013 4:31 pm

    I have a 2000 CRF450x that im building into a super moto. its completely stock right now and Im putting a FMF powercore 4 slip on this week. Any suggestions on jetting size once I put the pipe on?
  • Leardriver
    Posts:462
    Joined:Wed May 05, 2010 10:33 am

    by Leardriver » Mon Oct 07, 2013 10:18 am

    Start with a 165 main, 45 pilot, and you probably won't ever have to change it.
  • clements1993
    Posts:2
    Joined:Sun Oct 06, 2013 4:26 pm

    Error

    by clements1993 » Mon Oct 07, 2013 10:29 am

    Does it matter that the bike is an 09 not an 00. Didn't see the spelling mistake last night
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    crfsonly
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    Posts:9651
    Joined:Thu Apr 01, 2004 3:45 pm

    by crfsonly » Mon Oct 07, 2013 1:47 pm

    clements1993...welcome to CRF's Only! we have had great success with the JD Jetting kit. comes with two custom tapered needles and jets necessary for correctly jetting your 450X. it's the only jetting we run in ours. again, welcome.

    http://www.crfsonly.com/catalog/product ... ts_id/1093

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