Maintenance and Adjustment
124
Coolants of different types must not
be mixed. Mixing coolants of different
types will reduce the performance of
the coolant and reduce its life. When
replacing coolant, it is recommended
to thoroughly flush the cooling system
with clean water.
Coolant Level Inspection
Note
The coolant level should be checked
when the engine is cold (at room or
ambient temperature).
1
2
1. MAX level
2. MIN level
To inspect the coolant level:
• Position the motorcycle on level
ground and in an upright position.
The expansion tank can be viewed
from the left hand side of the
motorcycle, towards the rear of the
engine.
• Check the coolant level in the
expansion tank. The coolant level
must be between the MIN and MAX
marks. If the coolant is below the
minimum lower level, the coolant
level must be adjusted.
Coolant Level Adjustment
Warning
Do not remove the expansion tank or
radiator pressure cap when the engine
is hot.
When the engine is hot, the coolant
inside the radiator will be hot and also
under pressure.
Contact with this hot, pressurized
coolant will cause scalds and skin
damage.
Caution
If hard water is used in the
cooling system, it will cause scale
accumulation in the engine and
radiator and considerably reduce the
efficiency of the cooling system.
Reduced cooling system efficiency
may cause the engine to overheat and
suffer severe damage.
Note
If the coolant level is being checked
because the coolant has overheated,
also check the level in the radiator and
top off if necessary.
In an emergency, distilled water can be
added to the cooling system. However,
the coolant must then be drained and
replenished with HD4X Hybrid OAT
coolant as soon as possible.
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