Perio
d
ic maintenance an
d
a
d
justment
6-14
6
2. With the vehicle in an upright posi-
tion, look at the coolant level in the
reservoir.
3. If the coolant is at or below the
minimum level mark, remove the
coolant reservoir cap.
WARNING!
Remove only the coolant reser-
voir cap. Never attempt to re-
move the ra
d
iator cap when the
en
g
ine is hot.
[EWA15162]
4. Add coolant to the maximum level
mark.
NOTICE:
If coolant is not
availa
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 coolant, replace it with cool-
ant as soon as possi
b
le, other-
wise the coolin
g
system will not
b
e protecte
d
a
g
ainst frost an
d
corrosion. If water has
b
een
a
dd
e
d
to the coolant, have a
Yamaha
d
ealer check the anti-
freeze content of the coolant as
soon as possi
b
le, otherwise the
effectiveness of the coolant will
b
e re
d
uce
d
.
[ECA10473]
5. Install the coolant reservoir cap.
EAU33032
Chan
g
in
g
the coolant
The coolant must be changed at the in-
tervals specified in the periodic main-
tenance and lubrication chart. Have a
Yamaha dealer change the coolant.
WARNING! Never attempt to remove
the ra
d
iator cap when the en
g
ine is
hot.
[EWA10382]
1. Coolant reservoir
2. Maximum level mark
3. Minimum level mark
111
22
33
F
L
1. Coolant reservoir cap
111
Summary of Contents for MTN690-U
Page 95: ......
Page 96: ...Original instructions PRINTED IN JAPAN 2020 11 1 1 1 CR E...