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Question on idle screw
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[QUOTE="GlennP, post: 127222, member: 18736"] Your jetting is probably off, but on the rich side. I've had this happen on my 200 EXC, 300 EXC and GG XC250 when new with rich jetting. This is a common symptom. I'll bet your air screw has no affect either. What your doing with the idle speed screw in is lifting the slide, and forcing the needle diameter to come into play. This is the point of pilot/needle/slide cutaway overlap. There is no fine line with regard to circuit function. Post your current jetting and conditions and you'll get some answers for corrections. Some say the Keihin carbs work best when set not to idle, and that may be true, but its a pain in woods riding, where the throttle is closed more often. The bike will stall easy when doing clutch in brake slide turns in tight trees. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Question on idle screw
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