9. CYLINDER/PISTON MXU 550EXi/MXU500i Cylinder Block Pin CYLINDER AND PISTON REMOVAL/INSPECTION/ INSTALLATION REMOVAL Remove the cylinder head (refer to "CYLINDER HEAD REMOVAL/INSTALLATION" section in the chapter 8). Take the block pin out. Remove the water hose from the cylinder. Remove the two cylinder bolts/washers. Water Hose Remove the cylinder. Gasket Dowel Pins Remove the dowel pins and gasket. Piston Pin Clip Remove the piston pin clip. Place a clean shop towel in the crankcase to keep the piston pin clip from falling into the crankcase. Press the piston pin out of the piston and remove the piston. Piston Piston Pin 9-3