I have no clue other then the sprokets and the new back tire and the oil change I haven't done anything else I did take it out the other day to run the snot out of it and it is now seeming that the bike gremlins are getting me cuss it has fouled a plug now and my radiator is leaking I guess when ur luck goes south it realy goes south looks like i will be sitting this summer on the sidelines watching unless I get a new job or tattooing picks up so I can't take it to the shop and have it gone over with a fine tooth comb she is sooo pretty and in like new shape I refuse to ride her untill she is back to flawless again I am not going to ruin her for a couple hours of riding.