Yamaha XT660R S Service Manual

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CHAS
FRONT AND REAR BRAKES
EAS00642
INSTALLING THE REAR BRAKE CALIPER
1. Install:
• brake caliper springs
• brake pads
• brake pad pin
• brake pad clip
Refer to “REAR BRAKE PADS”.
2. Install:
• brake caliper
• rear wheel
Refer to “REAR WHEEL, BRAKE DISC,
AND REAR WHEEL SPROCKET”.
• copper washers
• brake hose
1
• union bolt
2
WARNING
_
Proper brake hose routing is essential to
insure safe motorcycle operation. Refer to
“CABLE ROUTING” in chapter 2.
CAUTION:
_
When installing the brake hose onto the
brake caliper 3, make sure the brake pipe
a touches the projection b on the brake
caliper.
3. Install:
• brake caliper protector
• brake caliper protector bolt
1
• brake caliper protector bolt
2
3
2
1
a
b
New
T
R
.
.
30 Nm (3.0 m · kg, 22 ft · lb)
1
2
T
R
.
.
7 Nm (0.7 m · kg, 5.1 ft · lb)
T
R
.
.
4 Nm (0.4 m · kg, 2.9 ft · lb)
4. Fill:
• brake fluid reservoir
(with the specified amount of the recom-
mended brake fluid)
Recommended brake fluid
DOT 4

Yamaha XT660R S Specifications

General

Displacement	660 cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition System	TCI
Starter System	Electric
Transmission System	5-speed
Final Drive	Chain
Front Suspension System	Telescopic forks
Front Tyre	90/90-21 M/C 54S
Rear Tyre	130/80-17 M/C 65S
Overall Width	865 mm
Overall Height	1, 230 mm
Seat Height	865 mm
Wheelbase	1, 505 mm
Wet Weight	181 kg
Fuel Tank Capacity	15 litres
Oil Tank Capacity	2.9 litres
Engine Type	Liquid-cooled, 4-stroke, single cylinder, SOHC
Maximum Power	48hp (35kW) @ 6, 000rpm
Frame	Steel diamond
Rear Suspension System	Swingarm, (link suspension)
Front Brake	Single 298mm disc, 2-piston caliper
Rear Brake	Single Disc, 245 mm