Service manual

ENG
CHAPTER 4
ENGINE
REMOVING THE ENGINE .....................................................................................4-1
COOLING SYSTEM ..........................................................................................4-1
ENGINE OIL......................................................................................................4-1
CARBURETOR .................................................................................................4-1
FOOTREST......................................................................................................4-2
MUFFLER .........................................................................................................4-2
BRAKE PEDAL.................................................................................................4-2
SHIFTPEDAL...................................................................................................4-2
SIDE COWLING BRACKET.............................................................................4-3
WIRE, CABLE AND HOSE ...............................................................................4-3
ENGINE ASSEMBLY........................................................................................4-4
INSTALLING THE ENGINE ...................................................................................4-5
ENGINE ASSEMBLY........................................................................................4-5
WIRE, CABLE AND HOSE ...............................................................................4-6
SIDE COWLING BRACKET.............................................................................4-6
SHIFTPEDAL...................................................................................................4-6
BRAKE PEDAL.................................................................................................4-6
MUFFLER .........................................................................................................4-6
FOOTREST......................................................................................................4-7
CARBURETOR .................................................................................................4-7
COOLING SYSTEM ..........................................................................................4-7
ENGINE OIL......................................................................................................4-7
CYLINDER HEAD ..................................................................................................4-8
REMOVING THE CYLINDER HEAD ................................................................4-9
CHECKING THE CYLINDER HEAD .................................................................4-11
CHECKING TIMING CHAIN GUIDE .................................................................4-12
CHECKING THE TIMING CHAIN TENSIONER ...............................................4-13
INSTALLING THE CYLINDER HEAD ...............................................................4-13
CAMSHAFT ............................................................................................................4-17
REMOVING THE ROCKER ARMS AND CAMSHAFT......................................4-18
CHECKING THE CAMSHAFT..........................................................................4-19
CHECKING THE ROCKER ARMS AND ROCKER ARM SHAFTS ..................4-19
CHECKING THE CAMSHAFTSPROCKET.....................................................4-21
INSTALLING THE CAMSHAFTAND ROCKER ARMS ....................................4-21
VALVES AND VALVE SPRINGS ............................................................................4-22
REMOVING THE VALVES ................................................................................4-23
CHECKING THE VALVES AND VALVE GUIDES .............................................4-24
CHECKING THE VALVE SEATS ......................................................................4-26
CHECKING THE VALVE SPRINGS ..................................................................4-28
INSTALLING THE VALVES ...............................................................................4-29
http://mototh.com