about 60-65
xr 80 goes fast but it can only go about 50mph.
about 45
45 mph
a xr 80 will go like 60 miles per hour maybe more
there really is no "proper age" for an xr 70. but, most xr 70's are riden by 10-13 year olds.
102 km/h
I have a stock 96 xr 200. It will squeeze out 68 mph flat out on open road if you hug the gas tank.
105-110 on a good day
45-50 if your a adult.55-65 if your a kid
mine goes like 40 maybe a little faster
With standard OEM gearing, about 75 MPH.