Engine - Yamaha MT-03 Service Manual

ENGINE REMOVAL........................................................................................ 5-1
INSTALLING THE ENGINE ...................................................................... 5-7
CYLINDER HEAD........................................................................................... 5-9
REMOVING THE CYLINDER HEAD........................................................5-10
CHECKING THE CYLINDER HEAD ........................................................5-10
CHECKING THE TAPPET COVERS AND CAMSHAFT
SPROCKET COVER ................................................................................5-11
CHECKING THE TIMING CHAIN TENSIONER.......................................5-11
CHECKING THE CAMSHAFT SPROCKET .............................................5-12
INSTALLING THE CYLINDER HEAD.......................................................5-12
ROCKER ARMS AND CAMSHAFT...............................................................5-15
REMOVING THE ROCKER ARMS AND CAMSHAFT .............................5-16
CHECKING THE CAMSHAFT..................................................................5-16
CHECKING THE DECOMPRESSION SYSTEM......................................5-17
CHECKING THE ROCKER ARMS AND ROCKER ARM SHAFTS..........5-17
INSTALLING THE CAMSHAFT AND ROCKER ARMS............................5-18
VALVES AND VALVE SPRINGS .....................................................................5-20
REMOVING THE VALVES .......................................................................5-21
CHECKING THE VALVES AND VALVE GUIDES.....................................5-21
CHECKING THE VALVE SEATS..............................................................5-23
CHECKING THE VALVE SPRINGS .........................................................5-24
INSTALLING THE VALVES ......................................................................5-25
CYLINDER AND PISTON ..............................................................................5-27
REMOVING THE CYLINDER AND PISTON............................................5-28
CHECKING THE CYLINDER AND PISTON ............................................5-28
CHECKING THE PISTON RINGS............................................................5-29
CHECKING THE PISTON PIN .................................................................5-30
INSTALLING THE PISTON AND CYLINDER...........................................5-30
CLUTCH .........................................................................................................5-33
CLUTCH COVER .....................................................................................5-33
PULL LEVER SHAFT ...............................................................................5-34
CLUTCH ...................................................................................................5-35
REMOVING THE CLUTCH ......................................................................5-36
CHECKING THE FRICTION PLATES ......................................................5-36
CHECKING THE CLUTCH PLATES ........................................................5-36
CHECKING THE CLUTCH SPRINGS......................................................5-37
CHECKING THE CLUTCH HOUSING .....................................................5-37
CHECKING THE CLUTCH BOSS ............................................................5-37
CHECKING THE PRESSURE PLATE......................................................5-38
CHECKING THE PULL LEVER SHAFT AND PULL ROD .......................5-38
CHECKING THE PRIMARY DRIVEN GEAR ...........................................5-38
INSTALLING THE CLUTCH .....................................................................5-38

ENGINE

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