5
ENGINE
ENGINE REMOVAL ........................................................................................5-1
INSTALLING THE EXHAUST PIPES AND MUFFLER .............................5-2
INSTALLING THE ENGINE.......................................................................5-7
CYLINDER HEAD............................................................................................5-8
REMOVING THE CYLINDER HEAD.........................................................5-9
CHECKING THE CYLINDER HEAD .........................................................5-9
CHECKING THE CAMSHAFT SPROCKET............................................5-10
CHECKING THE TAPPET COVERS AND
CAMSHAFT SPROCKET COVER .........................................................5-10
CHECKING THE TIMING CHAIN TENSIONER......................................5-10
INSTALLING THE CYLINDER HEAD .....................................................5-11
CAMSHAFT...................................................................................................5-14
REMOVING THE ROCKER ARMS AND CAMSHAFT............................5-15
CHECKING THE CAMSHAFT.................................................................5-15
CHECKING THE DECOMPRESSION SYSTEM.....................................5-16
CHECKING THE ROCKER ARMS AND ROCKER ARM SHAFTS ........5-16
INSTALLING THE CAMSHAFT AND ROCKER ARMS ..........................5-16
VALVES AND VALVE SPRINGS.................................................................. 5-19
REMOVING THE VALVES......................................................................5-20
CHECKING THE VALVES AND VALVE GUIDES ..................................5-20
CHECKING THE VALVE SEATS ............................................................5-22
CHECKING THE VALVE SPRINGS........................................................ 5-23
INSTALLING THE VALVES ....................................................................5-24
CYLINDER AND PISTON..............................................................................5-26
REMOVING THE PISTON ......................................................................5-27
CHECKING THE CYLINDER AND PISTON ...........................................5-27
CHECKING THE PISTON RINGS........................................................... 5-28
CHECKING THE PISTON PIN ................................................................5-29
INSTALLING THE PISTON AND CYLINDER .........................................5-29
AC MAGNETO AND STARTER CLUTCH ....................................................5-31
REMOVING THE AC MAGNETO ROTOR..............................................5-33
CHECKING THE STATOR COIL AND
CRANKSHAFT POSITION SENSOR.....................................................5-33
CHECKING THE STARTER CLUTCH ....................................................5-33
CHECKING THE TORQUE LIMITER......................................................5-34
INSTALLING THE AC MAGNETO ..........................................................5-34
ELECTRIC STARTER ...................................................................................5-36
CHECKING THE STARTER MOTOR .....................................................5-38
ASSEMBLING THE STARTER MOTOR.................................................5-39