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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
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 ...

Water pump components
Impeller Mechanical seal Oil seal O-ring O-ring 8 Nm (0.8 Kgf-n, 6.0 Ib-ft) 10 Nm (1.0 Kgf-n, 7.0 Ib-ft) 6 Nm (0.6 Kgf-n, 4.5 Ib-ft) ...

Other materials:

Rear wheel assembly removal and installation
Removal Loosen the axle nut (1).  Raise the rear wheel off the ground and support the motorcycle with a jack or wooden block. Caution make sure that the motorcycle is supported securely. Remove the axle nut (1).  Loosen the left and right lock-nuts (2) an ...

Balancer shaft journal bearing removal and installation
Refer to engine bottom side disassembly (page 1d- 49). Refer to engine bottom side assembly . Removal Remove the balancer shaft journal bearings (1). Note  do not remove the bearings (1) unless absolutely necessary.  Make a note of where the bearings are r ...

Short circuit check (wire harness to ground)
Disconnect the negative () cable from the battery.  Disconnect the connectors/couplers at both ends of the circuit to be checked. Note if the circuit to be checked branches to other parts as shown, disconnect all connectors/ couplers of those parts. Otherwise, diagnos ...

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