Royal Enfield — Thunder bird 350

Address:

Chennai, Tamil Nadu, 4000008

I have purchased thunder bird 350 in mumbai MHOI 9791 within five days engine start vibrating and more voice then normal i went to the service center twice they made service twice but the problume is still there as i have paid them as per billing ans nothing is free in the name of free service kindly pay attenion as my bike is under warranty ..my mobile number [protected]