Suzuki GSX-R750, Service Manual

Page: 236 / 495

COOLING AND LUBRICATION SYSTEM 5-7
Oil
INSPECTION
• Check the thermo-switch closing or opening temperatures by
testing it at the bench as shown in the figure. Connect the
thermo-switch to a circuit tester and place it in the oil contained
in a pan, which is placed on a stove.
• Heat the oil to raise its temperature slowly, and read the col-
umn thermometer when the switch closes or opens.
[
09900-25008: Multi circuit tester set
<
Tester knob indication: Continuity test ( )
Cooling fan thermo-switch operating temperature
Standard (OFF
→ → → → →
ON): Approx. 105°C (221°F)
(ON
→ → → → →
OFF): Approx. 100°C (212°F)
#
* Take special care when handling the thermo-switch. It
may cause damage if it gets a sharp impact.
* Do not contact the cooling fan thermo-switch
1
and
the column thermometer
2
with a pan.
INSTALLATION
• Install the O-ring
1
.
• Tighten the cooling fan thermo-switch to the specified torque.
!
Cooling fan thermo-switch: 17 N.m
(1.7 kgf.m, 12.5 lb-ft)
• Pour engine coolant. ( 2-18)
• Install the under cowling. ( 6-5)