3
PERIODIC CHECKS AND ADJUSTMENTS
PERIODIC MAINTENANCE ............................................................................ 3-1
INTRODUCTION .......................................................................................3-1
PERIODIC MAINTENANCE AND LUBRICATION CHART....................... 3-1
ENGINE ...........................................................................................................3-3
ADJUSTING THE VALVE CLEARANCE ..................................................3-3
SYNCHRONIZING THE THROTTLE BODIES.......................................... 3-5
ADJUSTING THE EXHAUST GAS VOLUME ........................................... 3-7
ADJUSTING THE ENGINE IDLING SPEED .............................................3-8
ADJUSTING THE THROTTLE CABLE FREE PLAY ................................3-8
CHECKING THE SPARK PLUGS .............................................................3-9
CHECKING THE IGNITION TIMING.......................................................3-10
MEASURING THE COMPRESSION PRESSURE..................................3-11
CHECKING THE ENGINE OIL LEVEL....................................................3-12
CHANGING THE ENGINE OIL ...............................................................3-13
MEASURING THE ENGINE OIL PRESSURE ........................................3-14
ADJUSTING THE CLUTCH LEVER........................................................3-15
CHECKING THE CLUTCH FLUID LEVEL ..............................................3-15
BLEEDING THE HYDRAULIC CLUTCH SYSTEM .................................3-15
CLEANING THE AIR FILTER ELEMENT................................................3-16
CHECKING THE THROTTLE BODY JOINTS ........................................3-16
CHECKING THE FUEL LINE ..................................................................3-17
CHECKING THE CRANKCASE BREATHER HOSE ..............................3-17
CHECKING THE EXHAUST SYSTEM....................................................3-17
CHECKING THE COOLANT LEVEL.......................................................3-18
CHECKING THE COOLING SYSTEM .................................................... 3-18
CHANGING THE COOLANT................................................................... 3-19