CONTENTS
SPECIFICATIONS.............................................................................................. 1
GENERAL SPECIFICATIONS ..................................................................... 1
ENGINE SPECIFICATIONS......................................................................... 2
CHASSIS SPECIFICATIONS....................................................................... 6
ELECTRICAL SPECIFICATIONS ................................................................ 8
TIGHTENING TORQUE ............................................................................... 8
ENGINE TIGHTENING TORQUES ....................................................... 8
CHASSIS TIGHTENING TORQUES ..................................................... 8
CABLE ROUTING ........................................................................................ 9
PERIODIC CHECKS AND ADJUSTMENTS.................................................... 22
COWLING AND COVER ............................................................................ 22
COVER ................................................................................................ 22
COWLING............................................................................................ 23
FUEL TANK................................................................................................ 24
CHASSIS.................................................................................................... 26
ADJUSTING THE DRIVE CHAIN SLACK............................................ 26
CHECKING THE TIRES ...................................................................... 28
CHASSIS .......................................................................................................... 32
REAR WHEEL, BRAKE DISC, AND REAR WHEEL SPROCKET............. 32
REAR WHEEL ..................................................................................... 32
REMOVING THE REAR WHEEL (XT660R) ........................................ 34
REMOVING THE REAR WHEEL (XT660X) ........................................ 35
INSTALLING THE REAR WHEEL (XT660R)....................................... 35
INSTALLING THE REAR WHEEL (XT660X)....................................... 36
SWINGARM AND DRIVE CHAIN............................................................... 38
ENGINE ............................................................................................................ 41
ENGINE REMOVAL ................................................................................... 41
EXHAUST PIPES AND MUFFLERS.................................................... 41
CYLINDER HEAD ...................................................................................... 42
CYLINDER AND PISTON .......................................................................... 44
COOLING SYSTEM.......................................................................................... 46
RADIATOR ................................................................................................. 46
FUEL INJECTION SYSTEM............................................................................. 48
FUEL INJECTION SYSTEM....................................................................... 48
WIRING DIAGRAM.............................................................................. 49
FAIL-SAFE ACTION TABLE................................................................ 50
DIAGNOSTIC MODE ........................................................................... 52
TROUBLESHOOTING DETAILS......................................................... 58
ELECTRICAL SYSTEM.................................................................................... 71
ELECTRICAL COMPONENTS................................................................... 71
XT660R(W)/XT660X(W) 2007 WIRING DIAGRAM