off idle bog

YFZ 450 with no cam mod. Has a Dr.D Pipe with a GYTR header, K&N filter with pro flow and air lid removed. Im at 6000ft elevation and can't seam to get it jetted right. I think this is causing my off idle bog. Any suggestions?

Check out the Jetting Database that's stickied to the top of the index.

I don't really care for K&N filters at all (they're too hard to service, and they don't filter well if they don't get oiled right). YZ450 air boxes had no lid. What did you remove?

YZ450 air boxes had no lid. What did you remove?

He said YFZ 450...sounds like it might be a quad?

So he did. In that case, he's in the wrong forum. Some of the quad guys in the YFZ forum should be able to help him.

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