11. COOLING SYSTEM Bolt Thermostat Housing THERMOSTAT THERMOSTAT REMOVAL Remove the seat, met-in box and center cover. Drain the coolant. Disconnect the water hose from the thermostat housing. Remove the mounting bolt and the thermostat housing from the cylinder head. Thermosensor Wire Water Hose Bolts Remove the thermostat from the thermostat housing. Thermostat THERMOSTAT INSPECTION Suspend the thermostat in a pan of water Thermostat over a burner and gradually raise the water temperature to check its operation. Technical Data Thermometer Begins to open 802 Full-open 90 Valve lift 3.54.5mm 11-13