COOLING AND LUBRICATION SYSTEM 7-9 THERMOSTAT REMOVAL • Remove the front seat. (8-7) • Lift and support the fuel tank. (5-3) • Place a rag under the thermostat cover. • Remove the thermostat cover 1. • Remove the thermostat 2. E INSPECTION L Inspect the thermostat pellet for signs of cracking. P Test the thermostat at the bench for control action, in the follow- ing manner. M • Pass a string 1 between flange 2 of thermostat, as shown. • Immerse the thermostat in the water contained in a beaker, as A shown in the illustration. Note that the immersed thermostat is S in suspension. Heat the water 3 by placing the beaker on a stove 4 and observe the rising temperature on a thermome- ter 5. • Read the thermometer just when opening the thermostat. This reading, which is the temperature level at which the thermo- stat valve begins to open, should satisfy the standard value. Thermostat valve opening temperature Standard: Approx. 82 °C (180 °F)