Bajaj pulsar 150
Cranck shaft

I bought bujaj pulsar on jan 8 from that am facing problems delers changed bhor piston but problems presistance till dated now they are telling it was an manufacturing fault cranck shaft size is small thats y heavy noise and poor pick up my byk is under warenty plz solve my problem... jayakumar...[deler vds sayar bajaj sainathapuram, vellore, tamilnadu, india. this is fro jaya kumar vellore no, 11, rajamanickam street shenbakkam, tamilnadu india