Old, but great video on this process: https://youtu.be/x-TC-5IIpAE from F650.Com
Since mine is fuel injected the clearance should be 0.03-0.11mm (intake) and 0.25-0.33mm (exhaust).
Tools Needed:
Once you remove all the front fairings, oil tank, air box, battery tray, and plastic molding you get to this point:
Valve cover was removed very easily. Just removed the throttle cable and was able to work it out without removing the bracket for the throttle cable.
Used the 8mm allen socket to put the engine to TDC (top dead center) and measured all 4 valves and they looked to be within spec.
With everything looking good I bolted it back up and put it all back together. Swapped out the plugs with Iridium plugs (although I have been told they are not really necessary for the 2 spark engines). I added dielectric grease to the spark plug boots also.
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