I know I already mentioned this somewhere, but I thought I'd chime in again
I raced a CBR250R most of last year and really liked the bike, other than getting used to it (stepping down from racing 600cc). I won a lot more than I lost, although I probably had a little more racing experience than most. This year I plan to race both the Honda and my new 2012 Ninja
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I cringe when I read statements like, "CBR250 kills Ninja 250 on the track." Skill has so much more to do with it than the bike, esp. at the club level. At least IMHO.