Yamaha 2008 YZF-R6X, Service Manual

Page: 115 / 434

ENGINE
3-20
WARNING
EWA13030
A hot radiator is under pressure. Therefore,
do not remove the radiator cap when the
engine is hot. Scalding hot fluid and steam
may be blown out, which could cause seri-
ous injury. When the engine has cooled,
open the radiator cap as follows:
Place a thick rag or a towel over the radia-
tor cap and slowly turn the radiator cap
counterclockwise toward the detent to
allow any residual pressure to escape.
When the hissing sound has stopped,
press down on the radiator cap and turn it
counterclockwise to remove.
3. Remove:
• Coolant drain bolt (water pump) “1”
(along with the copper washer)
4. Disconnect:
• Water pump inlet hose “2”
5. Drain:
• Coolant
(from the engine and radiator)
6. Remove:
• Coolant reservoir “1”
• Coolant reservoir cap “2”
7. Drain:
• Coolant
(from the coolant reservoir)
8. Install:
• Coolant reservoir
9. Connect:
• Water pump inlet hose
10. Install:
• Coolant drain bolt (water pump)
(along with the copper washer )
11. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Handling notes for coolant
Coolant is potentially harmful and should
be handled with special care.
WARNING
EWA13040
• If coolant splashes in your eyes, thor-
oughly wash them with water and consult
a doctor.
1
1
2
Coolant drain bolt (water pump)
10 Nm (1.0 m·kg, 7.4 ft·lb)
Recommended antifreeze
High-quality ethylene glycol
antifreeze containing corrosion
inhibitors for aluminum engines
Mixing ratio
1:1 (antifreeze:water)
Radiator capacity (including all
routes)
2.30 L (2.43 US qt) (2.02
Imp.qt)
Coolant reservoir capacity (up
to the maximum level mark)
0.25 L (0.26 US qt) (0.22
Imp.qt)
2
1
New