if you just want to take the barrel off then take the seat bucket out by undoing the bolts that hold it in then take the exhaust off then take the ht cap off and then undo the plastic cover over the top of the engine and loosen the fan cover so you can get the top bit free from it then undo the four head bolts and lift the head and barrel off.thats all you need to do to get it off leave any other bolts alone.
adam bike doctor(of milton keynes motorcycle centre), June 2011