12. COOLING SYSTEM GRAND DINK 125/150 Bolts Radiator RADIATOR INSTALLATION Install the radiator on the radiator bracket with the two bolts and one nut. Nut . Upper Hose Connect the upper and lower hoses and secure them with hose bands. Connect the thermostatic switch wire and fan motor wire couplers. Thermostatic Switch Wire Lower Hose Overflow Tube Connect the overflow tube and secure with the tube clamp. Connect the vent tube to the radiator filler. Fill the radiator with coolant. ( 3-9) After installation, check for coolant leaks. Air Vent Tube 12-8