search my thread on calculating average and try that method first in economy speed then in full throttle speed,, then city ride ,, i would recommend the first test in economy speed to be performed using 100ml of petrol then for other to tests use 250 ml,, petrol ,,and remembrer when every thing is set i,e, petrol is poured in bottole and the bottle is hanged to bike then just using some needly make a couple of small holes in the bottle thius way vacuum would not be created else ur bike will stop cauz fuel will not be flowing from bottole to carb,,
thn tell us ,, we will guide u further on what to do,,
here is the link to that post
https://www.pakwheels.com/forums/bikes-3-wheelers/163619-properly-check-your-bikes-petrol-average-using-method-post-results