Hope i'm not the first to be confused by this. In the LA-Barstow-Vegas literature it says you need an odometer that is resettable by tenths. Why would I ever need to reset just the tenths & not the whole mileage number? My odometer reads in tenths, but I dont know if just the tenth's are resettable. It's a drz 400s & the factory speedometer/odometer isn't very intuitive.