well i hade my little brother the chevy teck do my valves and oil and k and n air filter and new clutch lever and he allso did my sons 50 vlaves ,cam chain check, oil spark plug all under 4 hours flipping dealership was talking 6 hours to the work 80 bucks hour i DONT THINK SO. funny and we did this in his garage not a real shop by any means but enough tools and a clymer manual what a snap .now i can go out and open her wide open been waitng for my break in time and its all done . happy riding and merry christmas