i would say a kx 100 would go about 70 mph. it could go faster though if you put aftermarket parts on it.
The kx 100 goes about 65 mph i had my kx 100 tested
70-75 i have 1
kx 100 is faster on bottom end speed kx 85 is faster on top end speed so they are about equal to some extent. ;)
With stock gearing around 90-100.
about 70mph
around 68mph
65mph stock and 75mph tuned
Lower 70s stock
With stock gearing 70-73 mph
About 60 mph but im no expert65-70
60-70 miles per hour
it depends on what sprocket/gearing setting you have on the bike.