120 to a tank is pretty good for an fz1 mate after all its a propper bike 
not like them old timing fazer thou touring bikes :rollin :lol :lol joking aside though power comanders are for optimising your afr not for tuning for mid range, top end or better mpg optimising your afr through your rev range and the engine will be performing the best it can on all peramitors,a generic map from dynojet or one downloaded from someone else isent ideal you need your bike on a dyno and a custom map created
not like them old timing fazer thou touring bikes :rollin :lol :lol joking aside though power comanders are for optimising your afr not for tuning for mid range, top end or better mpg optimising your afr through your rev range and the engine will be performing the best it can on all peramitors,a generic map from dynojet or one downloaded from someone else isent ideal you need your bike on a dyno and a custom map created