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
UBR811E0.book Page 9 Thursday, March 21, 2019 10:27 AM
