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426 jetting help...

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I have an 01 wr426 and have been around and around with jetting issues. Many of the free mods were done all at once along with JD jett kit. This has made it difficult for me to diagnosis problems, lesson learned.I have gone back to stock settings and no mods. Only the to loud r4 exhaust remains. The bike now starts well and has some lean popping down low then screams high up. Any suggestions on recommended settings would be great. I do have the JD kit but didnt have good luck with it yet.Surprising because it made my KTM run flawless. I live at 2000ft in the northeast. Thanks for any help. :)

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