Had a few mods but returned the bike to mostly stock. Only mods now are the exhaust, 1" risers, sliders, spools and 2+ on the rear sprocket. Geezzz...guess that is a modded bike. Nevermind !
However, If someone told me I could only have a Busa if I kept it all stock it wouldnt be hard to live with. It really is a great bike right out of the box. Older riders buy them because "age brings widsom" ! (Cap told me that)