Coolant Level Adjustment - Triumph Bonneville Bobber Owner's Handbook Manual

Maintenance
• The expansion tank can be viewed
from the right 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 maximum (top) and minimum
(bottom) marks.
is below the minimum 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, pressurised
coolant will cause scalds and skin
damage.
If hard water
cooling system, it will cause scale
accumulation in
radiator and considerably reduce the
efficiency of the cooling system.
Reduced cooling system efficiency
may cause the engine to overheat and
suffer severe damage.
86
If the coolant
Caution
is used in
the engine
Note
If the coolant level is being checked
because the coolant has overheated,
also check the level in the radiator and
top up 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.
3
2
1
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1. Coolant expansion tank
2. Minimum mark
3. Maximum mark
4. Coolant expansion tank cap
To adjust the coolant level:
• Position the motorcycle on level
ground and in an upright position.
the
• Allow the engine to cool.
• Disconnect the battery, see page 110.
and
• Remove the sprocket cover on the
right hand side of the motorcycle.
• Remove the cap from the expansion
tank
through the filler opening until the
level reaches the maximum (top)
mark.
• Refit the cap.
• Refit the sprocket cover and tighten
the fixings to 9 Nm.
4
and add coolant mixture