8. CYLINDER/PISTON ATV 300/250 Gasket Cam Chain Guide CYLINDER/PISTON REMOVAL Remove the cylinder head. (Refer to the chapter 7) Remove the two dowel pins, cylinder head gasket and cam chain guide. Dowel Pins Screw Cylinder Unscrew the clamp and disconnect the water hose. Remove the cylinder Water Hose Gasket Remove the cylinder gasket and dowel pins. Clean any gasket material from the cylinder surface. Be careful not to drop foreign matters into the crankcase. Dowel Pins Piston Towel 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. Clip Piston Pin 8-4