Yamaha XT660 2004, Service Manual

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CHK
ADJ
CHAPTER 3
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