I am really thinking of pulling the trigger and get me a K1600GT. how bad are the service's to do you're self? how much would i need to invest to say do my own valve adjustments. (GS911 tool is already in my to get list of i buy the bike.) i know on this k bike i think i read you only need to check them 24,000 miles I ride a R1100RT currently that i maintain and service myself. I want to keep doing them myself. And thank you in advance for the reply's