3PERIODIC CHECKS AND ADJUSTMENTSPERIODIC MAINTENANCE .........................................................................3-1INTRODUCTION ....................................................................................3-1ENGINE.........................................................................................................3-4ADJUSTING THE VALVE CLEARANCE ................................................3-4SYNCHRONIZING THE THROTTLE BODIES .......................................3-6ADJUSTING THE EXHAUST GAS VOLUME.........................................3-8ADJUSTING THE ENGINE IDLING SPEED ..........................................3-9ADJUSTING THE THROTTLE CABLE FREE PLAY ..............................3-9CHECKING THE SPARK PLUGS.........................................................3-10MEASURING THE COMPRESSION PRESSURE ...............................3-10CHECKING THE ENGINE OIL LEVEL .................................................3-11CHANGING THE ENGINE OIL.............................................................3-12MEASURING THE ENGINE OIL PRESSURE .....................................3-13ADJUSTING THE CLUTCH CABLE FREE PLAY ................................3-14REPLACING THE AIR FILTER ELEMENT ...........................................3-15CHECKING THE THROTTLE BODY JOINTS ......................................3-16CHECKING THE FUEL LINE ...............................................................3-16CHECKING THE CRANKCASE BREATHER HOSE ............................3-16CHECKING THE EXHAUST SYSTEM .................................................3-17ADJUSTING THE EXUP CABLES .......................................................3-17CHECKING THE EXUP SERVO MOTOR.............................................3-18CHECKING THE COOLANT LEVEL ....................................................3-18CHECKING THE COOLING SYSTEM .................................................3-19CHANGING THE COOLANT ................................................................3-19CHASSIS ....................................................................................................3-22ADJUSTING THE FRONT DISC BRAKE .............................................3-22ADJUSTING THE REAR DISC BRAKE ...............................................3-22CHECKING THE BRAKE FLUID LEVEL ..............................................3-23CHECKING THE FRONT BRAKE PADS..............................................3-23CHECKING THE REAR BRAKE PADS ................................................3-23CHECKING THE FRONT BRAKE HOSES...........................................3-24CHECKING THE REAR BRAKE HOSE ...............................................3-24ADJUSTING THE REAR BRAKE LIGHT SWITCH ..............................3-24BLEEDING THE HYDRAULIC BRAKE SYSTEM .................................3-25ADJUSTING THE SHIFT PEDAL .........................................................3-27ADJUSTING THE DRIVE CHAIN SLACK ............................................3-27LUBRICATING THE DRIVE CHAIN......................................................3-28CHECKING AND ADJUSTING THE STEERING HEAD ......................3-28CHECKING THE FRONT FORK ..........................................................3-29ADJUSTING THE FRONT FORK LEGS ..............................................3-30ADJUSTING THE REAR SHOCK ABSORBER ASSEMBLY................3-32CHECKING THE TIRES .......................................................................3-33CHECKING THE WHEELS ..................................................................3-35CHECKING AND LUBRICATING THE CABLES ..................................3-35LUBRICATING THE LEVERS...............................................................3-35LUBRICATING THE PEDAL .................................................................3-35LUBRICATING THE SIDESTAND.........................................................3-35