12. COOLING SYSTEM PEOPLE 250 Right Crankcase Cover WATER PUMP MECHANICAL SEAL (WATER SEAL) INSPECTION Inspect the telltale hole for signs of mechanical seal coolant leakage. If the mechanical seal is leaking, remove the right crankcase cover and replace the mechanical seal. Water Pump Telltale Hole Inlet Hose WATER PUMP/IMPELLER REMOVAL Remove the coolant inlet hose and outlet hose. Outlet Hose Remove the four bolts and the water pump Bolts cover, gasket and 2 dowel pins. Water Pump Cover Impeller (Left Hand Threads) Remove the water pump impeller. The impeller has left hand threads. 12-9