Yamaha XT660R S Service Manual

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CHK
ADJ
ADJUSTING THE REAR BRAKE PEDAL
EAS00110
CHASSIS
ADJUSTING THE REAR BRAKE PEDAL
1. Check:
• brake pedal position
(distance
a
from the top of the rider foot-
rest to the top of the brake pedal)
Out of specification
→
Adjust.
2. Adjust:
• brake pedal position
▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼▼▼
a. Loosen the locknut
1
.
b. Turn the adjusting bolt
2
in direction
a
or
b
until the specified brake pedal position is
obtained.
c. Tighten the locknut
1
to the specified
torque.
WARNING
_
A soft or spongy feeling in the brake pedal
can indicate the presence of air in the brake
system. Before the vehicle is operated, the
air must be removed by bleeding the brake
system. Air in the brake system will consid-
erably reduce braking performance and
could result in loss of control and possibly
an accident. Therefore, check and, if neces-
sary, bleed the brake system.
CAUTION:
_
After adjusting the brake pedal position,
make sure there is no brake drag.
▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲▲▲
Brake pedal position (below the
top of the rider footrest)
12.0 mm (0.47 in)
Direction a Brake pedal is raised.
Direction b Brake pedal is lowered.
T
R
.
.
Locknut
18 Nm (1.8 m · kg, 13 ft · lb)
2
1
a
b

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