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3
4
5
6
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9
6-14
EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
reading.
2. Check the coolant level in the
coolant reservoir.
TIP
The coolant should be between the
minimum and maximum level marks.
1
2
1. Maximum level mark
2. Minimum level mark
1
1. Coolant reservoir cap
3. If the coolant is at or below the
minimum level mark, remove
panel B and the reservoir cap.
( S e e p a g e 6 - 8 . )
W A R N I N G !
Remove only the coolant res-
ervoir cap. Never attempt to re-
move the radiator cap when the
engine is hot.
[EWA15161]
4. Add coolant or distilled water to
raise the coolant to the maximum
level mark, and install the cool-
ant reservoir cap and the panel.
NOTICE: If coolant is not avail-
able, 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 coolant
as soon as possible, otherwise
the cooling system will not be
protected against frost and cor-
rosion. 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 ef-
fectiveness of the coolant will
be reduced.
[ECA10472]
Coolant reservoir capacity:
0.26 L (0.27 US qt, 0.23 Imp.qt)
EAU33031
Changing the coolant
The coolant must be changed at the
intervals specifi ed in the periodic
maintenance and lubrication chart.
Have a Yamaha dealer change the
coolant.
WARNING! Never attempt
to remove the radiator cap when
the engine is hot.
[
EWA10381]
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Summary of Contents for YW50FB
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