Yamaha XT660R Service Manual page 80

PERIODIC CHECKS AND ADJUSTMENTS
INTRODUCTION.............................................................................................. 3-1
PERIODIC MAINTENANCE AND LUBRICATION CHART ............................ 3-1
COWLING AND COVER ................................................................................. 3-3
COVER...................................................................................................... 3-3
COWLING .................................................................................................3-4
FUEL TANK..................................................................................................... 3-5
REMOVING THE FUEL TANK ..................................................................3-6
REMOVING THE FUEL PUMP .................................................................3-6
INSTALLING THE FUEL PUMP................................................................3-7
INSTALLING THE FUEL HOSE ................................................................3-7
AIR FILTER CASE .......................................................................................... 3-8
REAR MUD GUARD AND REAR FENDER ..............................................3-8
AIR FILTER CASE .................................................................................. 3-10
INSTALLING THE AIR FILTER CASE JOINT CLAMP ........................... 3-12
ENGINE .........................................................................................................3-13
ADJUSTING THE VALVE CLEARANCE ................................................ 3-13
ADJUSTING THE EXHAUST GAS VOLUME .........................................3-16
ADJUSTING THE ENGINE IDLING SPEED ...........................................3-17
ADJUSTING THE THROTTLE CABLE FREE PLAY ..............................3-17
CHECKING THE SPARK PLUG ............................................................. 3-19
CHECKING THE IGNITION TIMING.......................................................3-20
MEASURING THE COMPRESSION PRESSURE..................................3-21
CHECKING THE ENGINE OIL LEVEL....................................................3-23
CHANGING THE ENGINE OIL ...............................................................3-24
ADJUSTING THE CLUTCH CABLE FREE PLAY................................... 3-27
CHECKING THE AIR FILTER ELEMENT ............................................... 3-28
CHECKING THE THROTTLE BODY JOINT...........................................3-29
CHECKING THE FUEL HOSE ................................................................3-29
CHECKING THE BREATHER HOSE......................................................3-30
CHECKING THE EXHAUST SYSTEM....................................................3-30
CHECKING THE COOLANT LEVEL.......................................................3-31
CHECKING THE COOLING SYSTEM ....................................................3-31
CHANGING THE COOLANT................................................................... 3-32
CHAPTER 3
CHK
ADJ