Yamaha KODIAK 450 YFM450FAT Owner's Manual page 332

Coolant reservoir capacity
(up to the maximum level mark):
0.25 L
CAUTION:
_
Hard water or salt water is harmful to the en-
gine. You may use soft water if you cannot get
distilled water.
_
NOTE:
_
G
If water is added, have a Yamaha dealer
check the antifreeze content of the coolant as
soon as possible.
G
The radiator fan operation is completely auto-
matic. It is switched on or off according to the
coolant temperature in the radiator.
_
If your ATV overheats, see page 8-140 for details.
8-59