1999 EE Johnson Outboards 25, 35 3-Cylinder Service Repair Manual P/N 787029, Page 183Get this manual
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Water Pump Servicing DisassembIy 1 Remove gearcase assembIy as described in Gearcase Servicing, this section2 Remove and discard seal3 Remove the six impeller housing screws
2 Apply i-Gud grease