1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 222Get this manual
Water Pump Servicing9.9, 15 Disassembly 1Remove gearcase from exhaust housing as described in Gearcase Servicing, this Section
Remove the four impeller housing screws
3Remove the impeller housing and by up and off the driveshaftThen remove the Impeller drive pin and impeller plate
4Remove and discard the water tube grommet, O-ring and seal in the impeller housing5Inspect the impeller, housing and plate for excessive wear 6Clean the impeller plate and gearcaseAssembly
rJ"l1 Apply OMC Gasket Sealing Compound to the metal casing