Yamaha YZF-R1 Series Service Manual page 140

1
7. Drain:
• Coolant
(from the coolant reservoir)
8. Install:
• Coolant reservoir
• Coolant reservoir bolt
Coolant reservoir bolt
7 N·m (0.7 kgf·m, 5.2 lb·ft)
9. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Recommended antifreeze
High-quality ethylene glycol anti-
freeze containing corrosion
inhibitors for aluminum engines
Mixing ratio
1 : 1 (antifreeze : water)
Coolant quantity
Radiator (including all routes)
2.25 L (2.38 US qt, 1.98 Imp.qt)
Coolant reservoir (up to the maxi-
mum level mark)
0.25 L (0.26 US qt, 0.22 Imp.qt)
Handling notes for coolant
Coolant is potentially harmful and should be
handled with special care.
EWA13040
WARNING
• If coolant splashes in your eyes, thorough-
ly wash them with water and consult a doc-
tor.
• If coolant splashes on your clothes, quickly
wash it away with water and then with soap
and water.
• If coolant is swallowed, induce vomiting
and get immediate medical attention.
PERIODIC MAINTENANCE
ECA21291
NOTICE
• Adding water instead of coolant dilutes the
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antifreeze concentration of the coolant. If
water is used instead of coolant; check,
and if necessary, correct the antifreeze
concentration of the coolant.
• Use only distilled water. However, if dis-
tilled water is not available, soft water may
be used.
• If coolant comes into contact with painted
surfaces, immediately wash them with wa-
ter.
• Do not mix different types of antifreeze.
10.Fill:
• Coolant reservoir
(with the recommended coolant to the maxi-
mum level mark "a")
a
11.Install:
• Coolant reservoir cap
12.Loosen the water pump air bleed bolt "1" to
allow any trapped air to escape from the wa-
ter pump.
13.When coolant begins to flow out, tighten the
water pump air bleed bolt to the specified
torque.
3-33
1
Water pump air bleed bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)