Hi there, & welcome to the mad house. :2tup:
Firstly, PG tips are my favourite tea bags.
Secondly, is your bike a 125 or 250?
Thirdly, with my 250, I fill up every 200 kilometers. It takes around 7 litres, so that's 3½ litres per 100 kilometers (72 miles per English gallon) :2tup: