8. CYLINDER/PISTON MXU 250R/300R Gasket CYLINDER/PISTON REMOVAL Remove the cylinder head. (Refer to the chapter 7) Remove the two dowel pins, cylinder head gasket and cam chain guide. 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 8-4