| My 1999 ST4 does 80mph for 5000 rpm on standard sprockets and with a 14 tooth front this goes up to about 5750. I dont think my ST2 (1998) that i used to have would do 100mph for 6000 rpm though, at 80mph it was the same 5000 rpm as the ST4.
Probably no help to whatsoever though!
Paul. | 
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