engine coolant YAMAHA YFM400F 2001 User Guide

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10. Install the reservoir tank hose.
11. Pour the recommended coolant into the
radiator until it is full.CAUTION:Hard water or salt water is harmful to the en-
gine. You may use distilled water if you can’tget soft water. Recommended antifreeze:
High quality ethylene glycol antifreeze
containing corrosion inhibitors for alumi-
num engines.
Antifreeze and water mixing ratio:
1:1
Total amount:
1.1 L
Reservoir tank capacity:
0.25 L

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12. Install the radiator cap.
13. Run the engine several minutes. Stop the
engine and recheck the coolant level in
the radiator. If it is low, add more coolant
until it reaches the top of the radiator.
14. Fill the reservoir tank with coolant up to
maximum level.
15.Install the reservoir tank cap and check for
coolant leakage.NOTE:If any leakage is found, ask a Yamaha dealer toinspect the cooling system.
16. Install the panel and the front carrier.
EBU00283
Front axle boots
Check the protective boots for holes or tears. If
any damage is found, have them replaced by a
Yamaha dealer.
1. Front axle boot (´ 2 each side)
1. Soufflet d’axe avant (´ 2 de chaque côté)
1. Guardapolvo de eje delantero (´ 2 en cada lado)

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Engine overheatingNOTE:If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that itis changed to the recommended coolant as soon as possible.
WARNING
Wait for the engine and radiator to cool before removing the radiator cap. You could be burned by
hot fluid and steam blown out under pressure. Always put a thick rag over the cap when opening.Allow any remaining pressure to escape before completely removing the cap. Wait until the
engine has cooled.
Check the coolant level in the
reservoir tank 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 NOTE.)
Restart the engine. If the engine overheats again, ask a
Yamaha dealer to inspect and/or repair the cooling system.