Yamaha YFZ450S 2003 Service Manual page 71

PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION.............................................................................................. 3-1
PERIODIC MAINTENANCE/LUBRICATION .................................................. 3-1
SEAT, FENDERS AND FUEL TANK .............................................................. 3-3
SEAT, FUEL TANK COVER AND SIDE COVERS ...................................3-3
FOOT PROTECTORS AND ENGINE SKID PLATE .................................3-4
HEADLIGHTS AND FRONT FENDER......................................................3-5
REAR FENDER......................................................................................... 3-6
FUEL TANK............................................................................................... 3-7
ENGINE ...........................................................................................................3-8
ADJUSTING THE VALVE CLEARANCE .................................................. 3-8
ADJUSTING THE ENGINE IDLING SPEED ...........................................3-13
ADJUSTING THE THROTTLE LEVER FREE PLAY ..............................3-14
ADJUSTING THE SPEED LIMITER........................................................ 3-16
CHECKING THE SPARK PLUG ............................................................. 3-17
CHECKING THE IGNITION TIMING.......................................................3-18
CHECKING THE ENGINE OIL LEVEL....................................................3-19
CHANGING THE ENGINE OIL ...............................................................3-21
ADJUSTING THE CLUTCH CABLE........................................................ 3-24
CLEANING THE AIR FILTER ELEMENT................................................ 3-26
CHECKING THE COOLANT LEVEL.......................................................3-28
CHANGING THE COOLANT................................................................... 3-28
CHECKING THE COOLANT TEMPERATURE WARNING LIGHT.........3-32
CHAPTER 3
CHK
ADJ