Sharky1948
Junior Member
...of an '09 FLHR. It's 210 miles, 5.6 usable gallons. Don't ask me how I came to know this fact today....
Mile pre tank full are directly realted to speed at witch throttle is rolled back how often this is done and speed it is held at.
Next question how far did you push the RK
...and how steep was the upgrade?