Yamaha MT-03 Owner's Manual page 85

Engine overheating
WARNING
0
G
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
G After removing the radiator cap retaining bolt, place a thick rag, like a towel, over the radiator cap, and then
slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the hiss-
ing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the cap.
Wait until the Check the coolant level
engine has cooled. in the reservoir and radiator.
NOTE:
If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended
coolant as soon as possible.
PERIODIC MAINTENANCE AND MINOR REPAIR
The coolant level is low.
Check the cooling
system for leakage.
The coolant level
is OK.
6-41
There is Have a Yamaha dealer check
leakage. and repair the cooling system.
There is no
Add coolant. (See NOTE.)
leakage.
Start the engine. If the engine overheats again, have
a Yamaha dealer check and repair the cooling system.
EWA10400
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