Yamaha XT660R S Service Manual

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CHAS
FRONT AND REAR BRAKES
EAS00608
ASSEMBLING THE REAR BRAKE MASTER
CYLINDER
WARNING
_
• All internal brake components should be
cleaned and lubricated with new brake
fluid only before installation.
• Whenever a master cylinder is disassem-
bled, replace the piston seals and dust
seals.
1. Install:
• brake master cylinder kit
• joint
1
NOTE:
_
Turn the adjusting bolt
2
until the clearance
a
is within the specified limits when install the
joint
1
.
2. Tighten:
• nut
3
Recommended brake fluid
DOT 4
Clearance
2.1 mm (0.08 in)
a
2
3
1
T
R
.
.
18 Nm (1.8 m · kg, 13 ft · lb)
INSTALLING THE REAR BRAKE MASTER
CYLINDER
1. Install:
• brake master cylinder
• pin
1
• washer
2
• cotter pin
3
NOTE:
Install the cotter pin and bend the ends as
shown.
1
2
3
New
New

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