90mph
80 +/- depending if you don't have modifications
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.
The top speed of a 2009 KTM 150 XC is approximately 65-70 mph, depending on factors such as rider weight, terrain, and maintenance.
KTM recommends .5L of Motorex Top Speed 4T15W50.
KTM recommends Motorex Top Speed 4T15W50 for the 125SX.