have a banging that may or may not be the cam chain.Something was tightened that helped a little.Sound was still there when I parked a few years ago.Increasedwhen bike leaned over side to side.Can I change it on my own,any hints thoughts???????????????looking to bring at back to life.Greg.

You might want to start over with a hello in the new members area.

Very few first post questions as direct as yours get a reply. A quick introduction will make all the difference.