Typically the banshee will always be faster but once you start adding performance aftermarket parts and doing motor work things can change. I have seen some crazy fast 250R's at the dunes that will smoke almost any banshee that they roll up against. But over all you will find that the banshee will be faster.
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Looking forward to 2008! Thanks: S&S Motorsports, Fox Shox, MotoWorks, MotoX Nutrition, Hiper Wheels, ODI Grips, MSR, IMS, Flexx Bars, PowerMadd, & Scott Goggles.