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Engine overheating
Wait for the engine to cool before removing the radiator cap.
WARNING! If the engine is not
cool when removing the radiator cap, hot fluid and steam could blow out under pressure
and burn you.
[EWB03460]
Place a thick rag over the cap and remove the cap slowly to allow any re-
maining pressure to escape.
TIP
Tap water can be used in an emergency. Change to the recommended coolant as soon as
possible.
The engine will tend to overheat if the radiator is caked with mud, or if air was not properly bled
from the cooling system.
Wait until the
engine has cooled.
Check the coolant level in the
coolant reservoir and/or radiator.
Level is OK.
Level is low, check the
cooling system for leakage.
No
leakage.
Leakage.
Ask a Yamaha dealer to inspect
and repair the cooling system.
Add coolant. (See TIP.)
Restart the engine. If the engine overheats again, ask a
Yamaha dealer to inspect and/or repair the cooling system.
UB4J12E0.book Page 59 Tuesday, June 22, 2021 1:23 PM
