Yamaha 2003 YFZ450S, Service Manual

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CHK
ADJ
CHECKING THE COOLANT LEVEL/
CHANGING THE COOLANT
EBS00076
CHECKING THE COOLANT LEVEL
1. Place the machine on a level surface.
2. Check:
• coolant level
The coolant level should be between the
minimum level mark
a
and maximum level
mark
b
.
Below the minimum level mark
→
Add the
recommended coolant to the proper level.
CAUTION:
_
• Adding water instead of coolant lowers
the antifreeze content 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, soft
water may be used if distilled water is not
available.
4. Start the engine, warm it up for several min-
utes, and then turn it off.
5. Check:
• coolant level
NOTE:
_
Before checking the coolant level, wait a few
minutes until the coolant has settled.
b
a
EBS00075
CHANGING THE COOLANT
1. Remove:
• seat
• fuel tank cover
• right side cover
Refer to “SEAT, FENDERS AND FUEL
TANK”.
2. Disconnect:
• coolant reservoir breather hose
1
3. Remove:
• coolant reservoir cap
2
• coolant reservoir bolts
3
• coolant reservoir
4
4. Drain:
• coolant
(from the coolant reservoir)
3
2
4
1