Just did the 16k valve clearance maintenance check on my 01 RC. Took 3 hours and cost $0. Although you need to have the service manual to explain the tolerances needed. I've been told its roughly $400 from the dealer. The hardest part is removing the gas tank. If you can get beyond that the rest is down hill. I took pics during the process. Shoot me a pm if you need any help. BTW....at 22k miles all of my intake and exhaust valves were still within tolerance.