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Coolant
Your CR's liquid cooling system dissipates
engine heat through the coolant jacket that
surrounds the cylinder and cylinder head.
Maintaining the coolant will allow the cooling
system to work properly and prevent freezing,
overheating, and corrosion.
Coolant Recommendation
Use Pro Honda HP coolant or an equivalent high
quality ethylene glycol antifreeze containing
corrosion protection inhibitors specifically
recommended for use in aluminum engines.
Check the antifreeze container label.
Use only distilled water as a part of the coolant
solution. Water that is high in mineral content or
salt may be harmful to the aluminum engine.
NOTICE
Using coolant with silicate inhibitors may cause
premature wear of radiator pump seals or
blockage of radiator passages. Using tap water
may cause engine damage.
The factory provides a 50/50 solution of
antifreeze and water in this motorcycle. This
coolant solution is recommended for most
operating temperatures and provides good
corrosion protection.
Decreasing the concentration of antifreeze to less
than 40% will not provide proper corrosion
protection.
38
Servicing Your Honda
Increasing the concentration of antifreeze is not
recommended because it decreases cooling
system performance. Higher concentrations of
antifreeze (up to 60%) should only be used to
provide additional protection against freezing.
Check the cooling system frequently during
freezing weather.
Checking & Adding Coolant
Refer to Safety Precautions on page 19.
1. With the engine cold, remove the radiator cap
(1) and check coolant level. The coolant level
is correct when it is at the bottom of the
radiator filler neck.
(1)
(1) radiator cap
WARNING
Removing the radiator cap while the
engine is hot can allow the coolant to
spray out, seriously scalding you.
Always let the engine and radiator cool
down before removing the radiator cap.
2. Add coolant up to the filler neck if the level is
low.
Inspect the coolant level before each outing.
A coolant loss of 0.7 - 2.0 US oz (20 - 60 cm
through the over flow tube is normal. If
coolant loss is more than this, inspect the
cooling system.
Capacity:
1.16 US qt (1.10 x) at disassembly
1.02 US qt (0.97 x) at coolant change
3. Install the radiator cap securely.
NOTICE
If the radiator cap is not installed properly, it
will cause excessive coolant loss and may result
in overheating and engine damage.
3
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