Question is too vague, KTM 50 tops out around 50-52 mph while the 525 tops out between 90-100 mph.
65 mphIt is the top speed of KTM 85 sx.
90mph
110mph
I roped my ktm 150sx at 97miles
The Top Speed Is Around 80 mph
60 mph
90mph
About 70mph
KTM recommends Motorex Top Speed 4T 15W50
With stock gearing top speed would be 50-52 mph.
KTM recommends .5L of Motorex Top Speed 4T15W50.
KTM recommends Motorex Top Speed 4T15W50 for the 125SX.