my '03 250SX has been clocked at 82. It has some work done, but 70 easy.
The 250sx has about 47 hp and does 71 mph (stock).
anywhere from 55-60 mph
According to the 08 KTM Tech Bulletin, .3L of Motorex Top Speed 4T 15W50
Transmission: Motorex Top Speed 15W50
90mph
110mph
The Top Speed Is Around 80 mph
60 mph
About 70mph
90mph
KTM recommends Motorex Top Speed 4T 15W50
With stock gearing top speed would be 50-52 mph.