Yamaha YFZ450S Offroad Vehicle User Manual


 
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9. Replace the coolant drain bolt washer if it
is damaged, install the coolant drain bolt,
and then tighten it to the specified torque.
10. Pour the recommended coolant into the
radiator until it is full.
11. Pour the recommended coolant into the
coolant reservoir to the maximum level
mark.
CAUTION:
_
Hard water or salt water is harmful to the
engine. You may use soft water if you can-
not get distilled water.
_
12. Install the radiator cap and the coolant
reservoir cap.
Tightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Recommended antifreeze:
High quality ethylene glycol antifreeze
containing corrosion inhibitors for
aluminum engines.
Antifreeze and water mixing ratio:
1:1
Total amount:
1.3 L (1.14 Imp qt, 1.37 US qt)
Coolant reservoir capacity
(up to the maximum level mark):
0.29 L (0.26 Imp qt, 0.31 US qt)
U5TG10.book Page 16 Monday, April 7, 2003 8:50 PM