12. COOLING SYSTEM GRAND DINK 250 Water Pump Assembly MECHANICAL SEAL REPLACEMENT Drive the mechanical seal out of the water pump assembly from the inside. Mechanical Seal (Water Seal) Mechanical Seal Driver Drive in a new mechanical seal using a mechanical seal driver. Apply sealant to the right crankcase cover fitting surface of a new mechanical seal and then drive in the mechanical seal. Outer Bearing WATER PUMP SHAFT INSTALLATION Drive a new water pump shaft outer bearing into the water pump assembly from the inside. Water Pump Assembly 12-12