6. CYLINDER HEAD/CYLINDER/PISTON SUPER 9 50 Spark Plug Cap CYLINDER HEAD REMOVAL SH10AD Remove the rear carrier. Remove the frame body cover. ( 2-2) Drain the coolant. Disconnect the thermosensor wire from the thermosensor. Disconnect the water hose from the thermostat housing. Remove the spark plug cap. Exhaust muffler joint lock nut Remove the two joint lock nuts on the front of the exhaust muffler and then remove the two exhaust muffler lock bolts. The installation sequence is the reverse of removal. When installing the exhaust muffler, first tighten the two nuts on the front and then tighten the two bolts. Bolts Remove the spark plug. Cylinder head Bolts Remove the cylinder head bolts and the cylinder head. Loosen the bolts diagonally in 2 or 3 times. Remove the cylinder head gasket. Spark Plug Cylinder Head 6-2