stock, with no upgrade, a 2009 klx 250s will go about 130, 135 km/h
KFX450R...my bad. Still 449cc engine though
stock klx 110 will go about 50- 60 mph i dont know if the klx 110L will go faster. i think it goes the same but is just a bigger model.
First off, The klx 110 does not have 4 gears, (Standard gear shift has 3 gears) It goes 60 mph in 3rd gear. -Answered by Landon
my son was clocked by the state police at 100 mph
55 MPH
+/-55mph mph
75 mph.
With stock gearing 57 mph
75
Well it depends in third gear the highest gear it should be able to get up to about 55 mph. You can also put some parts in to give ur bike a little more kick.Itll go 60-75 with 4 gear drum
50mph