Radiator Coolant - Honda CBR650F Service Manual

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RADIATOR COOLANT

Check the coolant level of the reserve tank with the
engine running at normal operating temperature.
The level should be between the "UPPER" [1] and
"LOWER" [2] level lines with the motorcycle in an
upright position on a level surface.
If the level is low, fill as follows.
Remove the reserve tank cap [3] and fill the tank to the
"UPPER" level line with a 1:1 mixture of distilled water
and antifreeze.
RECOMMENDED ANTIFREEZE:
EXCEPT TH MODEL:
High quality ethylene glycol antifreeze
containing silicate-free corrosion inhibitors
(Mix the distilled water and antifreeze in the
ratio of 1:1)
TH MODEL:
HONDA PRE-MIX COOLANT or equivalent
Check to see if there are any coolant leaks when the
coolant level decreases very rapidly.
If the reserve tank becomes completely empty, there is
a possibility of air getting into the cooling system.
Be sure to remove any air from the cooling system
(page 8-4).
Install the reserve tank cap.
COOLING SYSTEM
Check the radiator air passages for clogging or
damage.
Straighten bent fins with a small flat blade screwdriver
and remove insects, mud or other obstructions with
compressed air or low water pressure.
Replace the radiator if the air flow is restricted over
more than 20% of the radiating surface.
Remove the following:
– Middle cowls (page 2-10) (CBR650F/FA)
– Tank shroud B (page 2-11) (CB650F/FA)
Check for any coolant leakage from the water hoses
and hose joints.
Check the water hoses for cracks or deterioration and
replace them if necessary.
Check that all hose clamps are tight.
Install the removed parts in the reverse order of
removal.
MAINTENANCE
[1]
[2]
[3]
3-11