I too was rather disapointed by the fuel consumption of my 2009 model which I bought 2 months ago.
My 1st tankfull returned 40 mpg (UK Gallons).:frown:
My previous bike GSXR1000 K1 used to return abouut 50MPG.
I noticed that the engine runs cool at about 73C which may still be on the edge of...