What is the mpg on a 900 vulcan?

The 08 vulcan has been getting between 46 mpg and 54 mpg, depending on riding conditions and speed. Overall average is just over 49 mpg. That is with windshield, bags and 185 lb. rider. Conditions were from almost still wind to 25-30 mph head and cross winds. The speeds ranged from 55 to 70 mph and through some hilly country and some flat lands.