Yamaha GRIZZLY 660 YFM66FAV Owner's Manual page 336

3. If the coolant is at or below the minimum level
mark, remove panel D. (See pages 8-19–
8-21 for panel removal and installation proce-
dures.)
4. Remove the reservoir cap, add coolant to the
maximum level mark, install the reservoir
cap, and then install the panel.
Coolant reservoir capacity
(up to the maximum level mark):
0.3 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 8-148 for details.
8-65