RZR S 1000 Top speed and Max RPM’s November 3, 2015 Can anybody comment on the top speed of the 1000s and the RPM’s at top speed? How does it compare to the 900s top speed and RPM’s? Also, which machine do you think would get better mileage cruising at 50 mph on gravel roads? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related