1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 224Get this manual
COA3245
Water Pump Servicing20, 25, 30
Disassembly
1Remove gearcase assembly as described in Gearcase Servicing, this Section
2Remove the six impeller housing screws and washers
3Pull up on the driveshaft and remove the driveshaft with the water pump assembly from the gearcaseRemove the water pump assembly from the driveshaft
COA3246
4Remove the impeller plate and gasketDiscard the gasket
5Scrape all gasket material from the plate and gearcase6Remove the water tube grommet and O-rings from the impeller housing7 Inspect all components for excessive wearAssembly f31 1and install the shift rod bushing housing