tight spot in chain

[Driller]

hey all, i havea 06 busa with about 8600kays on it,its seems to have a tight spot on the chain,which you can notice while rideing,when bike is up on rear stand the wheel is a bit hard to move in one spot,is there an easy fix? i got the bike like this,trid to loosen chain abit but its not much better,any help would be great?cheers.

The easiest fix get a new chain your sprockets should be fine check them anyway I would even replace them too I have a good second hand rear sprocket you can have just pay the post