Yamaha YZ65, Owner'S Manual

Page: 59 / 92

Perio d ic maintenance an d a d justment
7-9
7
TIP
The coolant should be at the bottom of
the radiator filler neck. The level will
change with variation of engine tem-
perature.
3. If the coolant is below the correct
coolant level, add coolant, and
then install the radiator cap.
NOTICE:
If coolant is not avail-
a b le, use d istille d water or soft
tap water instea d . Do not use
har d water or salt water since it
is harmful to the en g ine. If water
has b een use d instea d of cool-
ant, replace it with coolant as
soon as possi
b le, otherwise the
coolin g system will not b e pro-
tecte d a g ainst frost an d corro-
sion. If water has b een a dd e d to
the coolant, have a Yamaha
d ealer check the antifreeze con-
tent of the coolant as soon as
possi
b le, otherwise the effec-
tiveness of the coolant will b e
re d uce d .
[ECA10473]
EAUM1318
To chan g e the coolant
1. Place the vehicle on a level surfa-
ce and let the engine cool if neces-
sary.
2. Place a container under the en-
gine to collect the used coolant.
3. Remove the radiator cap, and
then the coolant drain bolt and its
gasket to drain the cooling sys-
tem.
WARNING! Never attempt
to remove the ra d iator cap
when the en g ine is hot.
[EWA10382]
4. After the coolant is completely
drained, thoroughly flush the cool-
ing system with clean tap water.
5. Install the coolant drain bolt and
its new gasket, and then tighten
the bolt to the specified torque.
1. Correct coolant level
1
1. Radiator cap
1. Coolant drain bolt
2. Gasket
Ti g htenin g torque:
Coolant drain bolt:
10 N·m (1.0 kgf·m, 7.4 lb·ft)
1
2 1
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