Hero Motocorp — product

Address:

C-5, Jai laxmi duplex, TP-13, Chhani jakat naka, 390002

I have purchased bike jan 2019

After 2 service i complained regarding average and dealer called me they performed bottle test on highway avg comes 72 then they worked and again performed avg was 86 at 40 km per hr dealer said that if speed increases avg will be decrease. Now the avg is decreas to 50 to 52 so kindly exchange my bike or back my money,
Because honda shine 110 cc gives 60 to 65 avg in same city.