hi guys i own a zma R 07 series......i really had a gr8 time wid my byk n still havin....bt da only 1 small thing dats troubling me is da mileage....i get around 30 only....sum of my frnds owning da older version say they easily get around 40....i ve changed da rear tyre to 110 size...moreover i rode da byk 4m hyd till blore at full high speeds....do u think dat trip affected my mileage???....is it coz of da tyre im gettin a lesser mileage n any ways to improve my mileage???....please help guys:-)