Yamaha XT660X Service Manual

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CHK
ADJ
CHECKING THE COOLANT LEVEL/
CHECKING THE COOLING SYSTEM
EAS00102
CHECKING THE COOLANT LEVEL
1. Stand the motorcycle on a level surface.
NOTE:
_
• Place the motorcycle on a suitable stand.
• Make sure the motorcycle is upright.
2. Check:
• coolant level
The coolant level should be between the
maximum level mark
a
and minimum level
mark
b
.
Below the minimum level mark
→
Add the
recommended coolant to the proper level.
CAUTION:
_
• Adding water instead of coolant lowers
the antifreeze content of the coolant. If
water is used instead of coolant check,
and if necessary, correct the antifreeze
concentration of the coolant.
• Use only distilled water. However, if dis-
tilled water is not available, soft water
may be used.
3. Start the engine, warm it up for several min-
utes, and then turn it off.
4. Check:
• coolant level
NOTE:
_
Before checking the coolant level, wait a few
minutes until it settles.
EAS00104
CHECKING THE COOLING SYSTEM
1. Remove:
• seat
• side panels (left and right)
Refer to “COWLING AND COVER”.
• fuel tank
Refer to “FUEL TANK”.

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