12. COOLING SYSTEM MXU 250R/300R RADIATOR RADIATOR INSPECTION Remove the front fender. (page 2-8) Inspect the radiator soldered joints and seams for leaks. Blow dirt out from between core fins with compressed air. If insects, etc., are clogging the radiator, wash them off. Carefully straighten any bent fins. Radiator Radiator Cap Coolant Drain Bolt RADIATOR REMOVAL Remove the front fender. (page 2-8) Remove the radiator cap. Remove the drain bolt and drain the coolant from the system. Bolts Siphon Hose Disconnect the air bleed hose from the radiator filler. Remove the siphon hose clamp and disconnect the siphon hose. Remove the two bolts from filler neck hold plate. Bolts Air Bleed Hose 12-4