Yamaha XT660RW, Owner'S Manual

Page: 53 / 94

PERIODIC MAINTENANCE AND MINOR REPAIR
6-14
6
CAUTION:
ECA10471
●
If coolant is not available, use
distilled water or soft tap water
instead. Do not use hard water
or salt water since it is harmful
to the engine.
●
If water has been used instead
of coolant, replace it with cool-
ant as soon as possible, other-
wise the cooling system will not
be protected against frost and
corrosion.
●
If water has been added to the
coolant, have a Yamaha dealer
check the antifreeze content of
the coolant as soon as possible,
otherwise the effectiveness of
the coolant will be reduced.
WARNING
EWA10380
Never attempt to remove the radiator
cap when the engine is hot.
5. Install the cowling.
NOTE:
● The radiator fan is automatically
switched on or off according to the
coolant temperature in the radia-
tor.
● If the engine overheats, see page
6-40 for further instructions.
EAUM1802
To change the coolant
1. Place the vehicle on a level sur-
face and let the engine cool if nec-
essary.
2. Remove the seat and panel B.
(See pages 3-12 and 6-5.)
3. Remove cowling B. (See page
6-5.)
4. Place a container under the engine
to collect the used coolant.
5. Loosen the radiator cap retainer
screw.
6. Remove the radiator cap and cool-
ant reservoir cap.
WARNING
EWA10380
Never attempt to remove the radiator
cap when the engine is hot.
7. Remove the coolant reservoir
bolts, and then turn the coolant
reservoir upside down to empty it.
8. Install the coolant reservoir by
placing it in the original position,
then installing the bolts.
1. Radiator cap
2. Radiator cap retaining screw
3. Radiator cap retainer
4. Coolant reservoir cap
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