Yamaha FZS6W Service Manual page 104

3. Remove:
• Radiator cap lock bolt "1"
• Radiator cap "2"
EWA13030
WARNING
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.
The following procedure applies to all of the
coolant drain bolts and copper washers.
4. Remove:
• Coolant drain bolt (water pump) "1"
(along with the copper washer)
5. Drain:
• Coolant
(from the engine and radiator)
6. Check:
• Copper washer "1"
7. Install:
• Coolant drain bolt (water pump) "2"
New
Coolant drain bolt (water pump)
10 Nm (1.0 m·kg, 7.2 ft·lb)
8. Install:
• Coolant reservoir
9. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Recommended antifreeze
High-quality
antifreeze containing corrosion
inhibitors for aluminum engines
Mixing ratio
1:1 (antifreeze:water)
Radiator capacity (including all
routes)
2.00 L (2.11 US qt) (1.76
Imp.qt)
Coolant reservoir capacity (up
to the maximum 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, thor-
oughly wash them with water and consult
a doctor.
• 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.
3-19
ENGINE
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