I have purchase pulsar 150 on 2nd jan 2015.after few days sudenlly a slow sound came from the engine.when I say it at the time of servicing a service boy said that it is commom sound that came from every pulsar bike.but after complitation of all my free servicing a very loudly sound came from my engine.and according to me its a timing chain sound.there is my problems in the bike but no one here to look this.i have paid arround 80000/- for the bike