Yamaha XT660X Service Manual

CHAS
CHAPTER 4
CHASSIS
FRONT WHEEL AND BRAKE DISC
...............................................................4-1
FRONT WHEEL ........................................................................................4-2
REMOVING THE FRONT WHEEL............................................................4-3
CHECKING THE FRONT WHEEL ............................................................4-3
CHECKING THE FRONT BRAKE DISC ...................................................4-6
INSTALLING THE FRONT WHEEL ..........................................................4-7
ADJUSTING THE FRONT WHEEL STATIC BALANCE ...........................4-8
REAR WHEEL, BRAKE DISC, AND REAR WHEEL SPROCKET
...............4-10
REAR WHEEL.........................................................................................4-10
BRAKE DISC AND REAR WHEEL SPROCKET.....................................4-12
REMOVING THE REAR WHEEL ............................................................4-14
CHECKING THE REAR WHEEL.............................................................4-14
CHECKING THE REAR BRAKE DISC....................................................4-15
CHECKING THE REAR WHEEL DRIVE HUB ........................................4-16
CHECKING AND REPLACING THE REAR WHEEL SPROCKET .........4-17
INSTALLING THE REAR WHEEL...........................................................4-17
ADJUSTING THE REAR WHEEL STATIC BALANCE............................4-18
FRONT AND REAR BRAKES
.......................................................................4-19
FRONT BRAKE PADS (XT660R)............................................................4-19
FRONT BRAKE PADS (XT660X)............................................................4-20
REAR BRAKE PADS...............................................................................4-21
REPLACING THE FRONT BRAKE PADS ..............................................4-22
REPLACING THE REAR BRAKE PADS.................................................4-24
FRONT BRAKE MASTER CYLINDER....................................................4-26
REAR BRAKE MASTER CYLINDER ......................................................4-29
DISASSEMBLING THE FRONT BRAKE MASTER CYLINDER .............4-32
DISASSEMBLING THE REAR BRAKE MASTER CYLINDER................4-32
CHECKING THE FRONT AND REAR BRAKE MASTER
CYLINDERS ...........................................................................................4-33
ASSEMBLING AND INSTALLING THE FRONT BRAKE MASTER
CYLINDER .............................................................................................4-34
ASSEMBLING THE REAR BRAKE MASTER CYLINDER......................4-36
INSTALLING THE REAR BRAKE MASTER CYLINDER ........................ 4-36
FRONT BRAKE CALIPER (XT660R) ......................................................4-39
FRONT BRAKE CALIPER (XT660X) ......................................................4-41
REAR BRAKE CALIPER .........................................................................4-43
REMOVING THE FRONT BRAKE CALIPER..........................................4-45
REMOVING THE REAR BRAKE CALIPER ............................................4-45
CHECKING THE FRONT AND REAR BRAKE CALIPERS ....................4-46
INSTALLING THE FRONT BRAKE CALIPER ........................................4-47
INSTALLING THE REAR BRAKE CALIPER...........................................4-49

Yamaha XT660X Specifications

General

Displacement	660cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	5-speed
Final Drive	Chain
Rear Brake	Single disc, Ø 245 mm
Front Tyre	120/70 R17
Rear Tyre	160/60 R17
Maximum Power	48 HP (35.3 kW) @ 6, 000 rpm
Maximum Torque	58.4Nm (43.1lb-ft) @ 5, 250rpm
Front Suspension	Telescopic fork
Rear Suspension	Swingarm, (link suspension)
Fuel Tank Capacity	15 litres
Engine Type	Liquid-cooled, 4-stroke, single cylinder, SOHC, 4-valves