Engine Overheating - Yamaha MAJESTY YP250 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR

Engine overheating

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1
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. Open the radiator cap as follows. Wait until the
2
engine has cooled. Remove the radiator cap stopper by removing the screw. Place a thick rag like a towel over
the radiator cap and slowly rotate the cap counterclockwise to the detent. This procedure allows any residual
3
pressure to escape. When the hissing sound has stopped, press down on the cap while turning counterclock-
wise and remove it.
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5
6
Wait until the engine
has cooled.
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8
NOTE:
9
If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that it is changed to the rec-
ommended coolant as soon as possible.
Check the coolant level in the
reservoir tank and/or radiator.
Level is low, check the
cooling system for leakage.
Restart the engine. If the engine overheats again, ask a
Level is OK.
Yamaha dealer to inspect and repair the cooling system.
6-35
Ask a Yamaha dealer to inspect
Leakage.
and repair the cooling system.
No
Add coolant (See NOTE.)
leakage.
EW000070