Mercruiser Raw Water Pump Diagram. Coolant And Water Flow Diagrams. . . . flow diagram for engine type being serviced Engine circulating pump defective Also refer to Engine Overheats Mechanical IMPORTANT: In addition to previous checks, make the following checks if engine is equipped with closed cooling. Ttlt Switch Lead Under Capicator Clamp.
There is a block plate inbetween the risers and manifolds. Mercruiser has made some changes to the pump design and method of mounting through the years. My question is the durability of the plastic pump housing and the options.
Download. for reliability and performance, Mercury MerCruiser stationary engines have every chance in the future to maintain leadership in the field of propulsion systems for water equipment.
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Concerned about your gearcase or water pump? Mercruisers manifolds are not cooled by raw water. This raw water pump is made by Johnson Pump as a specific OEM unit for Westerbeke.