Yamaha XT660R S Service Manual

4 - 8
CHAS
FRONT WHEEL AND BRAKE DISC
2. Tighten:
• wheel axle 1
• wheel axle pinch bolts 2
CAUTION:
_
Before tightening the wheel axle nut, push
down hard on the handlebar several times
and check if the front fork rebounds
smoothly.
NOTE:
To tighten the wheel axle pinch bolt, tighten
the outer and inner bolts to the specified
torque, and then tighten the outer bolt to the
specified torque again.
3. Install:
• brake caliper bolts
WARNING
_
Make sure the brake hose is routed prop-
erly.
T
R
.
.
59 Nm (5.9 m · kg, 43 ft · lb)
T
R
.
.
18 Nm (1.8 m · kg, 13 ft · lb)
T
R
.
.
40 Nm (4.0 m · kg, 29 ft · lb)
EAS00548
ADJUSTING THE FRONT WHEEL STATIC
BALANCE
NOTE:
_
• After replacing the tire, wheel or both, the
front wheel static balance should be
adjusted.
• Adjust the front wheel static balance with the
brake disc installed.
1. Remove:
• balancing weight(s)

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