the yz 85 is has a faster top speed: yz 85: 140km/h cr 85: 110km/h but the cr85 has a broader powerband. overall the yz is better though myself i ride a kx85
yz 85 cus its 2 stroke but if u modify the 125 enough the 125 is faster ya dinconpoop the ttr 125 is faster
a lot about 20mph
yz 85
believe it or not, the kx 60 is faster a cause of it having a motor too powerful for the small, light frame, so yes, the kx 60 is faster than the yz 85
YES
clooose but yz 85 off start and 230 on long run
the first yz 85 was built in 1977
NO
different cc
yes, top speed of a yz 85 is 140km/h top speed of the ktm 85sx is 104km/h, however the ktm is better in performance and got softer stocked suspension
Depends on the year but if they are both stock and the same age Yamaha's typicly go a little faster but if your racing rider skill is more important because they are basicly equal.