7. CYLINDER/PISTON Pulsar CK 125 Shop Towel Remove any gasket material from the crankcase surface. Place a shop towel in the crankcase to prevent foreign matters from falling into the crankcase. Gasket Piston Install the piston, piston pin and a new piston pin clip. · Position the piston top "IN" mark on the intake valve side. · Place a clean shop towel in the crankcase to prevent the piston pin clip from falling into the crankcase. Wave Washer Cam Follower Shaft CYLINDER INSTALLATION Install the 12mm washer (wave washer) into the groove. Install the cam follower and cam follower shaft. Apply engine oil to the cam follower shaft O-ring and install it with even force. Install the cam follower shaft with the slot on the shaft in vertical position. Install the dowel pins and a new cylinder gasket on the crankcase. Cylinder Cam Follower O-ring Carefully lower the cylinder over the piston by compressing the piston rings. Cylinder · When installing the cylinder, be careful that the ring end gap should not be 90° to the piston pin. · The ring end gaps should align with the four cylinder head lock nuts. Stagger the ring end gaps as shown. (Refer to 7-6.) Install the cylinder head gasket, dowel pins and O-ring. Piston 7-7