Maintenance
124
Cooling System
To ensure efficient
engine cooling,
check the coolant
level each day before riding the
motorcycle, and top up the coolant if
the level is low.
Note
A year round, Hybrid Organic Acid
Technology (known as Hybrid OAT or
HOAT) coolant is installed in the cooling
system when the motorcycle leaves the
factory. It is coloured green, contains a
50% solution of ethylene glycol based
antifreeze, and has a freezing point of
-35°C (-31°F).
Corrosion Inhibitors
Warning
HD4X Hybrid OAT coolant contains
corrosion inhibitors and antifreeze
suitable for aluminium engines and
radiators. Always use the coolant in
accordance with the instructions of
the manufacturer.
Coolant that contains anti-freeze and
corrosion inhibitors contains toxic
chemicals that are harmful to the
human body. Never swallow antifreeze
or any of the motorcycle coolant.
Note
HD4X Hybrid OAT coolant, as supplied by
Triumph, is premixed and does not need
to be diluted prior to filling or topping up
the cooling system.
To protect the cooling system from
corrosion, the use of corrosion inhibitor
chemicals in the coolant is essential.
If coolant containing a corrosion
inhibitor is not used, the cooling system
will accumulate rust and scale in the
water jacket and radiator. This will block
the coolant passages, and considerably
reduce the efficiency of the cooling
system.
Coolant Level Inspection
The coolant expansion tank is
located on the right hand side of the
motorcycle, in the radiator lower cowl.
The coolant level within the coolant
expansion tank can be inspected
without removing any covers.
1
2
1. MAX mark
2. MIN mark
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