Yamaha XT660X Service Manual

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CHK
ADJ
CHECKING THE TIRES/
CHECKING AND TIGHTENING THE SPOKES
WARNING
_
New tires have a relatively low grip on the
road surface until they have been slightly
worn. Therefore, approximately 100 km
should be traveled at normal speed before
any high-speed riding is done.
NOTE:
_
For tires with a direction of rotation mark
1
:
• Install the tire with the mark pointing in the
direction of wheel rotation.
• Align the mark
2
with the valve installation
point.
EAS00169
CHECKING AND TIGHTENING THE
SPOKES
The following procedure applies to all of the
spokes.
1. Check:
• spoke
1
Bends/damage
→
Replace.
Loose
→
Tighten.
Tap the spokes with a screwdriver.
NOTE:
_
A tight spoke will emit a clear, ringing tone; a
loose spoke will sound flat.
2. Tighten:
• spoke
(with a spoke wrench
2
)
NOTE:
_
Be sure to tighten the spokes before and after
break in.
T
R
.
.
3 Nm (0.3 m · kg, 2.2 ft · lb)

Yamaha XT660X Specifications

General

Displacement	660cc
Bore x Stroke	100.0 mm x 84.0 mm
Compression Ratio	10.0:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	5-speed
Final Drive	Chain
Rear Brake	Single disc, Ø 245 mm
Front Tyre	120/70 R17
Rear Tyre	160/60 R17
Maximum Power	48 HP (35.3 kW) @ 6, 000 rpm
Maximum Torque	58.4Nm (43.1lb-ft) @ 5, 250rpm
Front Suspension	Telescopic fork
Rear Suspension	Swingarm, (link suspension)
Fuel Tank Capacity	15 litres
Engine Type	Liquid-cooled, 4-stroke, single cylinder, SOHC, 4-valves