Coolant - Yamaha R15M Owner's Manual

Periodic maintenance and adjustment

Coolant

The coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
To check the coolant level
1. Place the vehicle on a level sur-
face.
2. Remove cowling. (See page 8-7.)
3. Hold the vehicle in an upright po-
sition.
TIP
8
 The
coolant
checked on a cold engine since
the level varies with engine tem-
perature.
 Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to the
side can result in a false reading.
4. Check the coolant level in the
coolant reservoir.
EAU20071
TIP
The coolant should be between the
minimum and maximum level marks.
EAU80890
ZAUE4477
1. Coolant reservoir
2. Maximum level mark
3. Minimum level mark
level must be
5. If the coolant is at or below the
minimum level mark, remove the
coolant reservoir cap.
ZAUE4478
1. Coolant reservoir cap
6. Add coolant to the maximum level
8-12
1
mark, and then install the coolant
reservoir cap. WARNING! Re-
move only the coolant reservoir
cap. Never attempt to remove
the radiator cap when the en-
NOTICE: If
gine is hot.
[EWA15162]
coolant is not available, use dis-
tilled water or soft tap water in-
stead. 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 possi-
ble, otherwise the cooling sys-
tem will not be protected
against frost and corrosion. If
water has been added to the