Honda -unicorn
Chain noise from first servicing

This is to bring to your notice I have purchase Honda unicorn in 2008 and my vehicle covered 25000kms, from third service onwards my vehicle is with heavy chain noise and somany times complaint given always when i was being servicing. but in M/s. AUTOFIN when I was gone for serviced my vehicle they are telling chain to be replace in every vehicle in 25000kms. we are also working in Automobile industry but where u are mentioned in service book? i am verymuch dissatisfied with this vehicle and please resolve my problem.