Yamaha YFZ450S 2003 Service Manual page 365

WARNING
_
• Handle the thermo switch with special
care.
• Never subject the thermo switch to
strong shocks. If the thermo switch is
dropped, replace it.
Thermo switch
28 Nm (2.8 m · kg, 20 ft · lb)
È The thermo switch circuit is open and the radia-
tor fan is off.
É The thermo switch circuit is closed and the
radiator fan is on.
92 ± 3 ˚C
(197.6 ± 5.4 ˚F)
• Does the thermo switch 1 operate properly
as described above?
YES
EBS01090
7. Wiring
• Check the entire cooling system's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the cooling system's wiring properly
connected and without defects?
YES
This circuit is OK.
É
È
98 ± 3 ˚C
(208.4 ± 5.4 ˚F)
NO
Replace the thermo
switch 1.
NO
Properly connect or
repair the cooling
system's wiring.
COOLING SYSTEM
8 - 42
– +
ELEC