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MxnDoc

NDJN needle Vs. OBDUQ needle?

4 posts in this topic

'03 WR 450F owners, I know from reading the posts here that there is far more years of experience on this board than I have with bikes. Which of the above needles would you guys try first? The YZ needle (NDJN), or the *Non-USA needle(OBDUQ, see page 7-8 manual) . What performance gains should I expect from either?

Await your responses!

Bob

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if you do all the YZ mods to your WR, yes, use the YZ needle.

Does the 450 have an AIR CUT valve like all other WR model years?

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