I replaced the gasket the goes on the cam side cover. I followed the book, removed the rocker arms to relieve pressure, loosened the cam sensor and replaced the gasket. When I put it all together, I am getting a bad knocking. I ran the bike for a while 1/2 hour total to see if the lifers would pump back up but still knocks. It is more noticeable when idling, when I run the rpm up a bit it quiets down some. what do you think?