This R75/5 has a 5 speed transmission instead of the standard 4 speed.THE ACTUAL MILAGE OF THIS MOTORCYCLE IS UNKNOWN BECAUSE ITIS A RESTORATION FROM PARTS. The milage listed in the posting is what's on the speedometer and is therefore DOES NOT REPRESENT THE THE ACTUAL MILAGE OF THE ENGINE. I acquired this bike in 2008 and here is what I've had done to it since