The chain on my 350f is making a weird binding/clicking sound. It made it when backing up at first, now it makes it going foward after I adjusted the slack. It sounds like it is coming from the rear sprocket area. the rear tire will not spin evenly, when it clicks it slows it down. The rear sprocket is brand new, as is the front. I do have a CB450 rim on the back with a larger tire than stock, but have run this setup for about 1500 miles with no issue.