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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Needle Jet
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[QUOTE="Canadian Dave, post: 132072, member: 16102"] Have you tried adjusting the needle's clip position yet? You don't go into much detail but it sounds like lowering the needle would be a good place to start it you haven't already. Its not uncommon for KDX250 owner to go with a leaner slide/throttle valve or have the stock slide recut. Have you optimize throttle response using the air screw? It could be the air screw is set too rich. Be sure you've eliminated the possibility of any mechanical problems like worn crank seals, poorly adjust float level etc etc before jetting or it quickly turns into a nightmare. Check out the carb tuning section on the JustKDX home page for more details on jetting. Use the link below. David [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Needle Jet
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