Changing The Coolant - Yamaha 2004 YP400 Service Manual

CHECKING THE COOLING SYSTEM/
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CHANGING THE COOLANT

3. Install:
• footrest boards (left and right)
Refer to "SIDE COVER MOULDINGS AND
FOOTREST BOARDS".
EAS00105
CHANGING THE COOLANT
1. Remove:
• storage box
• footrest board (right)
Refer to "SIDE COVER MOULDINGS AND
FOOTREST BOARDS".
2. Disconnect:
• coolant reservoir hose 1
3. Drain:
• coolant
(from the coolant reservoir)
4. Remove:
• radiator cap cover
• radiator cap 1
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.
5. Remove:
• coolant drain bolt 1
(along with the copper washer)
6. Drain:
• coolant
(from the engine and radiator)
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CHK
ADJ