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Canadian Daves JustKDX
03 KDX200 Exhaust Leak
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[QUOTE="JCW, post: 659293, member: 38842"] I don't want to argue, but everything I've heard and experienced myself says you will need to rejet when you remove the airbox and put on an FMF pipe. I certainly did and it made a huge difference in performance, fuel milage, the the famous "grin factor". I think they come from the factory starving for air and very rich to insure a safe break in period and protect Kawasaki. Certainly your bike will probably run OK if you don't do anything. My guess is you will lose about 35% of your potential power with stock jets and experience some "gook" problems from all of the unburned fuel and oil in your engine. That's just my 2 cents worth based on my experience and reading this forum for a while. Good Luck JCW [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
03 KDX200 Exhaust Leak
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