RIDE magazine in the UK did a group test with ZXR400/GSXR400/NSR250mc16 and a CBR250 about 5 years ago.
It finnished last because it needed revved into oblivian to go anywhere, red line is almost 20,000rpm I think. NSR was third (Boo) because a novice could go faster quicker on a 4T.
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it's a name, not a condition