Ah... I see.
        
 
         As you're a supporter, the easiest way to find the diagnosutic data is to download the XT660R Yamaha Service Manual from this thread:
         
         
        
http://www.xt660.com/showthread.php?t=84
         
         It contains everything you'll need.
         
        
 You will need a password (which you were given when you became a supporter). If you've forgotten it, them PM CaptMoto for a reminder.