Yamaha WR450F(W) Owner's Service Manual page 212

Wr series
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COOLANT REPLACEMENT
8. Fill:
• Radiator
• Engine
To specified level.
CAUTION:
• Do not mix more than one type of ethyl-
ene glycol antifreeze containing corro-
sion inhibitors for aluminum engine.
• Do not use water containing impurities or
oil.
Handling notes of coolant:
The coolant is harmful so it should be han-
dled with special care.
WARNING
• When coolant splashes to your eye.
Thoroughly wash your eye with water
and see your doctor.
• When coolant splashes to your clothes.
Quickly wash it away with water and
then with soap.
• When coolant is swallowed.
Quickly make him vomit and take him
to a doctor.
9. Install:
• Radiator cap
Start the engine and warm it up for a
several minutes.
10. Check:
• Coolant level
Coolant level low → Add coolant.
3 - 7
INSP
ADJ
Recommended coolant:
High quality ethylene glycol
anti-freeze containing
anti-corrosion for
aluminum engine
Coolant 1 and water
(soft water) 2 mixing ratio:
50%/50%
Coolant capacity:
1.0 L (0.88 Imp qt, 1.06 US qt)

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Wr450f 2007Wr450fw 2007Wr450f

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