too fast can be bad but i also believe some speed can help a bike. and the new 250's are slower then most cars on the road
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2011 BMW S1000RR
2008 NINJA ZX-10 - sold
2009 NINJA EX250 - sold
2006 NINJA ZX-14 (wrecked)
2005 NINJA 636 plasma blue - sold
Seductive Cycles