Has anyone ever found a valve shim on their magnetic drain plug (bottom of case)?? it looks just like a small shim, and was attached to my drain plug this afternoon when I drained the beast. . . last service was performed by the dealer, and they just so happened to do a valve adjustment during that service (almost 3k miles ago). This is the first oil change since that service (of course they changed the oil at that time too). You can see a wear mark in the center of the shim, as if it were an old one that was replaced (and had been dropped?). The bike runs and starts great. Any and all thoughts are appreciated!