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6

PERIODIC MAINTENANCE AND MINOR REPAIR

Engine overheating

EW000070

WARNING 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. 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 engine has cooled.

Check the coolant level in the reservoir and radiator.

There is leakage.

Have a Yamaha dealer check and repair the cooling system.

There is no leakage.

Add coolant. (See NOTE.)

The coolant level is low. Check the cooling system for leakage.

The coolant level is OK.

Start the engine. If the engine overheats again, have a Yamaha dealer check and repair the cooling system.

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.

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