Q. I am 5.4ft, is it comfortable to drive Burgman 125 in hills?

It all depends on how you manage to handle the scooty. Believe me, I am also 5'4 to be exact 164 cms, and my both feet touches the ground well enough to maintain a steady balance on slopes (hills) but yes things sometimes got in to light (realisation) when I started to feel pain when in my toe area on right side, when I used to wear slippers, and ride burgman. In shoes I never used feel the pressure on toes, as Height defines, only my half feet touch the ground base. So be careful, I gave you my complete assessment so that you choose wisely, and yes there are shorter riders than us (5'4), riding burgman they manage to just adjust with it somehow.

It is comfortable to drive on the hills , the scooty is a beast . We had travelled to coorg which had alot of hills on the way . Yes it can defeat the elevations

No for short people. leg must be on surface. it is high