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Canadian Daves JustKDX
jsirvine's bike Q's go <here!>
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[QUOTE="jirvine, post: 673783, member: 25334"] I know I have much to learn on jetting. I have 2 KDX200's. Mine has a PC pipe, KN filter. I got it slightly used, all stock. It would foul plugs and load up quickly on low throttle. I managed to lean it way out and it seems to run very well now. Nice throtle response, might use a little more on top. No mre plug or loading up problems. The other KDX, lowered for my daughter, also a 2000, was used and somewhat roughly at that. It came supposedly set up for high elevation but I think it had a 158 and maybe a 42 pilot. It always had abrupt throttle, open it up fully and it would take a couple seconds of slowly winding up before it hit. But it never fouled anything. I ride at 4000'-5000' and occasionally ride at 9000. I started to lower the main and seemed to get it somewhat better but the problem was still there. We then rode both at about 600' in more humid conditions and it had been cured. So I figured lower elevation runs great, when I get back home at 4000'+ I needed to lean it out. So it is down to 140 (stock pipe and airbox) and I moved the clip up but that didn't cure it. Also smokes like a pig compared to my better running one. Otherwise runs fine, is this a jetting problem or something else? This past weekend I had both bikes up to 9000', mine ran fine although perhaps weaker as it should but the bog on my daughters was there. It ran fine if you kept the revs up but that's not how a KDX should be is it. Any suggestions welcome. This weekend I can play with it. Do I need different needles? [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
jsirvine's bike Q's go <here!>
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