Yamaha YFZ450S Offroad Vehicle User Manual


 
8-13
EBU10151
Cooling system
1. Check the coolant level in the coolant
reservoir when the engine is cold as the
coolant level will vary with engine tem-
perature.
NOTE:
_
The coolant should be between the minimum
and maximum level marks.
_
1. Maximum level mark 2. Minimum level mark
3. Coolant reservoir 4. Coolant reservoir cap
2. If the coolant is at or below the minimum
level mark, remove the coolant reservoir
cap, and then add coolant or distilled wa-
ter to raise it to the specified level.
CAUTION:
_
Hard water or salt water is harmful to the
engine. You may use soft water if you cant
get distilled water.
_
NOTE:
_
If water is added, have a Yamaha dealer
check the antifreeze content of the cool-
ant as soon as possible.
The radiator fan operation is completely
automatic. It is switched on or off accord-
ing to the coolant temperature in the radi-
ator.
_
If your ATV overheats, see page 8-59 for de-
tails.
Coolant reservoir capacity
(up to the maximum level mark):
0.29 L (0.26 Imp qt, 0.31 US qt)
U5TG10.book Page 13 Monday, April 7, 2003 8:50 PM