Bud, I did my valve adjustment this winter. Getting the cam timed isn't difficult, and it is very obvious when it is correct. My greatest problem came from letting the bike sit for a while when I had to order shims. Then the mental images of what went where, and in what order, faded. That is why I put hardware in gallon zip lock bags, an individual bag for each operation, and marked them well, then stacked them in the order that they were filled. That helped. Also, the videos from Fred Harmon can be an asset, just to refresh the memory while reassembling. A trip through Murph's Kits page is a good idea, deciding if you want to go with new cam cover gasket, spark plugs, the slightly oversize O Rings for the cam position sensors, and such.