Yamaha XT660R S Service Manual

4 - 18
CHAS
REAR WHEEL, BRAKE DISC, AND REAR WHEEL
SPROCKET
2. Install:
• rear wheel
• washer (O)
• rear axle
• washer (N)
• rear axle nut
NOTE:
Install the washer with the “N” mark on the
right-hand side of the vehicle and the washer
with the “O” mark on the left-hand side of the
vehicle. Be sure to install both washers with
the marks facing outward.
3. Adjust:
• drive chain slack
Refer to “ADJUSTING THE DRIVE CHAIN
SLACK” in chapter 3.
4. Tighten:
• wheel axle nut
5. Install:
• chain cover
• chain cover bolts
• stabilizer (XT660X)
EAS00575
ADJUSTING THE REAR WHEEL STATIC
BALANCE
NOTE:
_
• After replacing the tire, wheel or both, the
rear wheel static balance should be adjusted.
• Adjust the rear wheel static balance with the
brake disc and rear wheel drive hub
installed.
1. Adjust:
• rear wheel static balance
Refer to “ADJUSTING THE FRONT
WHEEL STATIC BALANCE”.
Drive chain slack
40.0 ~ 55.0 mm (1.57 ~ 2.17 in)
T
R
.
.
105 Nm (10.5 m · kg, 75 ft · lb)
T
R
.
.
7 Nm (0.7 m · kg, 5.1 ft · lb)
T
R
.
.
7 Nm (0.7 m · kg, 5.1 ft · lb)

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