Periodic Checks And Adjustments - Yamaha YZ450F Owner's Service Manual

PERIODIC CHECKS AND ADJUSTMENTS

MAINTENANCE INTERVALS ..........................................................................3-1
MAINTENANCE INTERVALS ....................................................................3-1
PRE-OPERATION INSPECTION AND MAINTENANCE.................................3-7
GENERAL INSPECTION AND MAINTENANCE........................................3-7
ENGINE ............................................................................................................3-8
CHECKING THE COOLANT LEVEL..........................................................3-8
CHECKING THE COOLING SYSTEM .......................................................3-8
CHANGING THE COOLANT......................................................................3-8
CHECKING THE RADIATOR CAP ............................................................3-9
CHECKING THE RADIATOR CAP VALVE OPENING PRESSURE .........3-9
CHECKING THE COOLANT CIRCULATORY SYSTEM FOR LEAKS ....3-10
ADJUSTING THE CLUTCH LEVER POSITION ......................................3-10
ADJUSTING THE CLUTCH LEVER FREE PLAY....................................3-11
ADJUSTING THE THROTTLE GRIP FREE PLAY ..................................3-11
LUBRICATING THE THROTTLE CABLE ................................................3-12
CLEANING THE AIR FILTER ELEMENT.................................................3-12
CHECKING THE THROTTLE BODY JOINT............................................3-13
CHECKING THE BREATHER HOSES ....................................................3-13
CHECKING THE EXHAUST SYSTEM.....................................................3-14
CHECKING THE FUEL LINE ...................................................................3-14
CHECKING THE ENGINE OIL LEVEL.....................................................3-14
CHANGING THE ENGINE OIL ................................................................3-15
ADJUSTING THE ENGINE IDLING SPEED ............................................3-16
ADJUSTING THE VALVE CLEARANCE .................................................3-17
CHASSIS ........................................................................................................3-22
BLEEDING THE BRAKE SYSTEM ..........................................................3-22
CHECKING THE BRAKE HOSE ..............................................................3-23
ADJUSTING THE FRONT BRAKE ..........................................................3-23
ADJUSTING THE REAR BRAKE.............................................................3-24
CHECKING THE FRONT BRAKE PADS .................................................3-24
CHECKING THE REAR BRAKE PADS ...................................................3-26
CHECKING THE REAR BRAKE PAD INSULATOR ................................3-27
CHECKING THE BRAKE FLUID LEVEL..................................................3-27
ADJUSTING THE DRIVE CHAIN SLACK ................................................3-28
CHECKING THE FRONT FORK LEGS ...................................................3-29
CHECKING THE FRONT FORK PROTECTOR GUIDE ..........................3-29
CLEANING THE FRONT FORK OIL SEAL AND DUST SEAL ................3-29
AIR BLEEDING FROM FRONT FORK ....................................................3-30
ADJUSTING THE FRONT FORK LEGS ..................................................3-30
CHECKING THE SWINGARM OPERATION ...........................................3-31
CHECKING THE REAR SUSPENSION...................................................3-31
ADJUSTING THE REAR SHOCK ABSORBER ASSEMBLY...................3-31
CHECKING THE TIRES...........................................................................3-34
CHECKING AND TIGHTENING THE SPOKES.......................................3-34
CHECKING THE WHEELS ......................................................................3-34
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