complaint against sterling Honda

&lt;p&gt;&lt;b&gt;Location/place&lt;/b&gt;: chakan pune.&lt;/p&gt;<p><b>Name of company/service</b>: sterling Honda</p>I punches new Honda shine bike 125cc in 25 june 2012. I paid Rs 63242 for my bike .
My complaints are
1) engine more noice ,
2)low pick-up
3) engine damage voice like kat-kat-kat .
I had many times told to sterling Honda service department superviser. My three free service done, and two complaint service done.
They told me bike has no any problem. If engine open bike performance will be reduce.