Cam Chain Adjuster Stuck

Scrappyike

New Member
I have a CB550 and when I tried to adjust the cam chain, the screw is stuck. From what I have seen, the screw should not move when turning the nut. Mine moves with the nut. I tried holding it with the screwdriver while loosening/tightening the nut but can't keep it stationary. I am getting a chain rubbing against metal sound from the engine. Not only that but I cannot get it above 70mph. At the top of each gear it loses power until I shift up. Rides fine until it hits the top of the gear and repeats loss of power.

Here is a recording of the sound.

http://s294.photobucket.com/user/pzjgr/media/CB750%20Project/WP_20130730_001.mp4.html

It doesn't seem to capture the sound as accurate as live but hopefully y'all will notice it. Thanks in advance for any help.
 
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