Yamaha XT660R S 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 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