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04 yz450f jetting?

5 posts in this topic

the bike sputters slightly on mid-top end. clutch was acting funky too. i ripped apart the disks and such and reinstalled em and that problem was fixed. the choke needle is slightly bent as well. could this be my problem? or is the jetting off? engine is stock besides and FMF Q slip-on. ill be replacing the choke needle regardless but am wondering if i should order a jet kit with it.

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