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 (STANDARD) ..................3-8ADJUSTING THE EXHAUST GAS VOLUME (HIGH-GRADE) ..............3-8ADJUSTING THE ENGINE IDLING SPEED ..........................................3-9ADJUSTING THE THROTTLE CABLE FREE PLAY ............................3-10CHECKING THE SPARK PLUGS.........................................................3-11MEASURING THE COMPRESSION PRESSURE ...............................3-12CHECKING THE ENGINE OIL LEVEL .................................................3-13CHANGING THE ENGINE OIL.............................................................3-14MEASURING THE ENGINE OIL PRESSURE .....................................3-15ADJUSTING THE CLUTCH CABLE FREE PLAY ................................3-16CLEANING THE AIR FILTER ELEMENT .............................................3-17CHECKING THE THROTTLE BODY JOINTS ......................................3-18CHECKING THE FUEL LINE ...............................................................3-18CHECKING THE CRANKCASE BREATHER HOSE ............................3-18CHECKING THE EXHAUST SYSTEM .................................................3-19CHECKING THE COOLANT LEVEL ....................................................3-19CHECKING THE COOLING SYSTEM .................................................3-20CHANGING THE COOLANT ................................................................3-20CHASSIS ....................................................................................................3-23ADJUSTING THE FRONT DISC BRAKE .............................................3-23ADJUSTING THE REAR DISC BRAKE ...............................................3-23CHECKING THE BRAKE FLUID LEVEL ..............................................3-24CHECKING THE FRONT BRAKE PADS..............................................3-24CHECKING THE REAR BRAKE PADS ................................................3-25CHECKING THE FRONT BRAKE HOSES...........................................3-25CHECKING THE REAR BRAKE HOSE ...............................................3-25ADJUSTING THE REAR BRAKE LIGHT SWITCH ..............................3-25BLEEDING THE HYDRAULIC BRAKE SYSTEM .................................3-26ADJUSTING THE SHIFT PEDAL .........................................................3-28ADJUSTING THE DRIVE CHAIN SLACK ............................................3-28LUBRICATING THE DRIVE CHAIN......................................................3-29CHECKING AND ADJUSTING THE STEERING HEAD ......................3-29CHECKING THE FRONT FORK ..........................................................3-30ADJUSTING THE REAR SHOCK ABSORBER ASSEMBLY................3-31CHECKING THE TIRES .......................................................................3-31CHECKING THE WHEELS ..................................................................3-34CHECKING AND LUBRICATING THE CABLES ..................................3-34LUBRICATING THE LEVERS...............................................................3-34LUBRICATING THE PEDAL .................................................................3-34LUBRICATING THE SIDESTAND.........................................................3-34LUBRICATING THE CENTERSTAND ..................................................3-34LUBRICATING THE REAR SUSPENSION ..........................................3-34