Hero passion me hamesa mentinance hi karwana padt hai. Hero passion pro hamesa chain dheepa hote rehta hai.jisse hamesa sahi hi oarwana padta hai. Agr 50 se above agar speed badhate hain to bike jhanjhane lagti .han agar economy speed se chale sahi bhi chalta hai.par kya karein kewal 40 ke speed me hi ghadi hamesa nhi chala skte na speed to badhani hi padti.