i got my 2000 ktm 125 sx doin 70 mph stock acrossed a lake
KTM recommends Motorex Top Speed 4T15W50 for the 125SX.
With stock gearing around 60-65 MPH
90mph
110mph
KTM
The Top Speed Is Around 80 mph
60 mph
About 70mph
90mph
KTM recommends Motorex Top Speed 4T 15W50
KTM 125
Approx. 120-125 kph is the Top speed of this machine.