Help !!! I just bought the 2006 Daytona 675 therefore retiring my 91; zx-750. I want to trick it out for track days now. Problem is i neeed either a new engine for it or to rebuild the old one. new sprockets, tires and body work and brakes and other things to get it up to speed. Anyone have suggestions for what i should consider doing to it ??? please give me all the info you can. if anyone from advanced kawi reads this.. i have taken my bike there boefore. what do you guys suggest.