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Xr 4 throttle respone ?'s
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[QUOTE="VintageDirt, post: 160293, member: 21172"] [b]Skid[/b] Everything I know about an XR4 I posted in this thread, [URL=http://www.dirtrider.net/forums3/showthread.php?s=&threadid=17876]click here[/URL] . I know it's not much. Also, I don't think the stumble is cause by a rich condition. At least in my experience it's been due to a lean condition. I went to a richer slo jet and improved the off idle throttle response. Also, you didn't say what year your XR is (at least I didn't see it), I know the newer ones came with the dual taper needle, just don't know when that started. One more thing. If your engine idle speed is set to low, you'll notice the stumble is worse. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Xr 4 throttle respone ?'s
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