Adjusters loosened all the way?? If that's not the problem, take the axle out. Move the wheel forward and put the chain on the sprocket. Now put the axle in.mario60185 said:i am puttong my rear tire back on after a new tire and 47 tooth sprocket, ive alradey gone downn 1 tooth on thr front, and with my wheel pushed all the way up on the swingarm the chain is tight and wont roll over the sprocket all the way. wtf?