Yamaha 2009 YZF-R1Y, Service Manual

Page: 239 / 526

5
ENGINE
ENGINE INSPECTION .................................................................................. 5-1
MEASURING THE COMPRESSION PRESSURE ................................. 5-1
ENGINE REMOVAL ...................................................................................... 5-3
INSTALLING THE ENGINE ..................................................................5-10
INSTALLING THE EXHAUST PIPE AND MUFFLER............................5-11
CAMSHAFTS ..............................................................................................5-13
REMOVING THE CAMSHAFTS ...........................................................5-17
CHECKING THE CAMSHAFTS ...........................................................5-18
CHECKING THE TIMING CHAIN AND SPROCKET............................5-19
CHECKING THE TIMING CHAIN GUIDES ..........................................5-20
CHECKING THE TIMING CHAIN TENSIONER ...................................5-20
INSTALLING THE CAMSHAFTS ..........................................................5-20
CYLINDER HEAD .......................................................................................5-25
REMOVING THE CYLINDER HEAD ....................................................5-26
CHECKING THE CYLINDER HEAD ....................................................5-26
INSTALLING THE CYLINDER HEAD ...................................................5-26
VALVES AND VALVE SPRINGS ................................................................5-28
REMOVING THE VALVES ....................................................................5-30
CHECKING THE VALVES AND VALVE GUIDES .................................5-31
CHECKING THE VALVE SEATS ..........................................................5-32
CHECKING THE VALVE SPRINGS......................................................5-34
CHECKING THE VALVE LIFTERS .......................................................5-35
INSTALLING THE VALVES...................................................................5-35
GENERATOR ..............................................................................................5-37
REMOVING THE GENERATOR ...........................................................5-38
INSTALLING THE GENERATOR ..........................................................5-38
STARTER CLUTCH ....................................................................................5-40
REMOVING THE STARTER CLUTCH .................................................5-41
CHECKING THE STARTER CLUTCH ..................................................5-41
INSTALLING THE STARTER CLUTCH ................................................5-41
PICKUP ROTOR .........................................................................................5-43
REMOVING THE PICKUP ROTOR ......................................................5-44
INSTALLING THE PICKUP ROTOR .....................................................5-44
ELECTRIC STARTER .................................................................................5-46
CHECKING THE STARTER MOTOR ...................................................5-48
ASSEMBLING THE STARTER MOTOR ...............................................5-49