whoknows wrote:just wondered why all the two stroke guys seem to try and disprove bhp figures for some of the GENUINE 400cc race bikes out there?

It's usually because they're A: not genuine and B: bull

Some of the 400's you see claiming 90 odd bhp would seem to be in a better/higher state of tune than current MotoGP bikes cc for cc, and that from a 17/18 year old engine design...!
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NSR300R - Why did i ever have a 250...