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Canadian Daves JustKDX
Please help with air box mod
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[QUOTE="JCW, post: 655303, member: 38842"] First, I would check your pilot jet and see if it is too rich. The stock jet on my 03 KDX 200 was very rich (and so was the main jet). To check, turn the air screw out about 1/2 turn so it will crank. Once you crank it, keep count and turn the air screw out 1/2 turn at a time. Your idle RPMs should increase as you turn it out. Keep a count of how many full turns you back it out before it does not increase the idle anymore. It should not increase RPMs beyond 2-3 (max) turns out. My stock 48 was super rich. If it continues to increase at 4-5 turns out, stop and go down about 3 points on the pilot jet and re-check it. This made a huge difference in my off idle power, so much that I could change my gearing to cut a little low end and get more high end. Good Luck- JCW [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Please help with air box mod
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