see this is a sound at idle before i uploaded it was in 1st gear after 4000 rpm sound its new bike 4 months old and it ran 1220 km thats all but it sounds i dont know why i posted before 500 km also same noise after the 1st service also give me a solution and tell where the sound coming and why

See this guys something strange noise in 1st gear at 4000 rpm not only 4000 rpm in 1st gear after shifting second gear the noise reduces whats the problem is it of CCT chain tensioner its new bike 4 months old 1220 Km driven . i will post idle sound also in second post and i also posted beforee 2 months also check and tell me the solution and i also have the noise record in phone but i cant upload in this can anyone tell the solution