rahul

hi i am new member of this group and a proud owner of Yamaha R15 i have a few question to ask from all u guys if u can help me out with it. i bought the bike a year ago and did my running in completely at a watchful speed of 60 Km/hr. now recently i am finding that my bikes is lacking that grunt in its pickup compared to other R15 of my friends some say that the engine is responding this way because of running in done at under 60 Km/hr? please help me out with this doubt of mine and i would be highly obliged thanks in anticipation