Rotate the crankshaft until the rear cylinder reaches the TDC.
First remove the rear head cover in order to remove the rear head camshafts.
First remove the front head cover in order to remove the front head camshafts.
Mark the head camshafts, the corresponding sprocket wheels and cam caps in order not to interchange them upon refitting.
Undo and remove the eight cam cap screws working in a diagonal sequence and in stages.
Remove the cam cap carefully so as not to go through it and damage the seats of the calibrated dowels.
Remove the camshafts with the gears.
