Lets see, i filled up on Wed & it was £16.30 for 165 miles, & i used 14.44 litres, which gives me 11.42 miles per litre of fuel, now my local garage is 112.9p per litre so a tenner would get me 8.84 litres of fuel which would give me 100.95 miles. not bad for an old Bandit 12S.
for a 1200cc I only have 600 and you do more mpg than me,you must ride like a clergyman