Suzuki GSX-R 1000 Service Manual: Thermostat inspection
Inspect the thermostat in the following procedures:
- remove the thermostat. Refer to “thermostat removal and installation” .
- Inspect the thermostat pellet for signs of cracking.

- Test the thermostat at the bench for control action.
Caution
- do not contact the thermostat (1) and
column thermometer (2) with a pan.
- As the thermostat operating response to
water temperature change is gradual, do
not raise water temperature too quickly.
- The thermostat with its valve open even
slightly under normal temperature must be
replaced.
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- Immerse the thermostat (1) in the water contained in
a beaker and note that the immersed thermostat is in
suspension.
- Heat the water by placing the beaker on a stove and
observe the rising temperature on a thermometer
(2)

- Read the thermometer just when opening the
thermostat. If this reading, which is the temperature
level at which the thermostat valve begins to open, is
out of the standard value, replace the thermostat
with a new one.
Thermostat valve opening temperature
standard: approx. 82 °C (180 °f)
- Keep on heating the water to raise its temperature.
- Just when the water temperature reaches specified
value, the thermostat valve should have been lifted
by at least 8 mm (0.31 In). A thermostat failing to
satisfy either of the two requirements (start-to-open
temperature and valve lift) must be replaced.
Thermostat valve lift “a”
standard: over 8 mm (0.31 In) and at 95 °c (203
°f)

- Install the thermostat. Refer to “thermostat removal and installation” .
Removal
Drain a small amount of engine coolant. Refer to “cooling system
inspection” in section 0b .
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in s ...
Impeller
Mechanical seal
Oil seal
O-ring
O-ring
8
N·m (0.8 Kgf-n, 6.0 Ib-ft)
10 N·m
(1.0 Kgf-n, 7.0 Ib-ft)
6 N·m (0.6
Kgf-n, 4.5 Ib-ft)
...
Other materials:
Fuel and oil recommendation
Fuel (for USA and Canada)
Use only unleaded gasoline of at least 90 pump octane
(r/2 + m/2).
Gasoline containing mtbe (meltyl tertiary butyl ether),
less than 10% ethanol, or less than 5% methanol with
appropriate cosolvents and corrosion inhibitor is
permissible.
Fuel (for other countries) ...
To sensor removal and installation
Removal
Remove the ap sensor. Refer to “ap sensor removal and installation” .
Disconnect the coupler (1) and remove the to
sensor (2).
Installation
Install the to sensor in the reverse order of removal.
Pay attention to the following point:
when installing the to s ...
Starter motor disassembly and assembly
Refer to “starter motor removal and installation” .
Disassembly
Disassemble the starter motor as shown in the starter motor components
diagram. Refer to “starter motor components” .
Assembly
Reassemble the starter motor in the reverse order of
removal. Pay attention to the following points:
...