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Suzuki GSX-R 1000 Service Manual: Thermostat inspection

Inspect the thermostat in the following procedures:

  1.  remove the thermostat. Refer to “thermostat removal and installation” .
  2.  Inspect the thermostat pellet for signs of cracking.

Suzuki GSX-R. Thermostat inspection


  1. 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.
  1. Immerse the thermostat (1) in the water contained in a beaker and note that the immersed thermostat is in suspension.
  2.  Heat the water by placing the beaker on a stove and observe the rising temperature on a thermometer (2)

Suzuki GSX-R. Thermostat inspection


  1. String
  2. Water
  1. 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)

  1. Keep on heating the water to raise its temperature.
  2.  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)

Suzuki GSX-R. Thermostat inspection


  1. Install the thermostat. Refer to “thermostat removal and installation” .
Thermostat removal and installation
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Water pump components
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:

Special tools and equipment
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Special tools and equipment
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Water hose inspection
Inspect the water hoses in the following procedures:  remove the side cowlings. Refer to “exterior parts removal and installation” in section 9d (page 9d- 6).  Check the water hoses for crack, damage or engine coolant leakage. If any defect is found, replace the water hose wi ...

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