12. COOLING SYSTEM GRAND DINK 250 THERMOSTAT Thermostat Bolt THERMOSTAT REMOVAL Remove the seat, met-in box and center cover. Drain the coolant. Disconnect the thermosensor wire from the thermosensor. Disconnect the water hose from the thermostat housing. Disconnect the air vent tube from the thermostat housing. Remove the mounting bolt and the thermostat housing from the cylinder head. Water Hose Air Vent Tube Bolts Remove the two bolts and separate the thermostat housing halves. Thermostat Thermostat Remove the thermostat from the thermostat housing. 12-16