1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 222Get this manual
625 in(635 mm) ModelsPlace water tube spacer with grommet on the impeller housing cover
Cleaning and Inspection
Replace damaged componentsShift system failure will cause loss of control over direction of engine thrust1Discard all seals, O-rings, gaskets, and the clutch dog spring
2Clean all gearcase components in solvent and dry with compressed airTo avoid personal injury, wear eye protection and regulate air pressure to not more than 25 PSI (172 kPa)After cleaning, coat all internal components with OMC Ultra-HPF gearcase lube to prevent rusting3Perform the following inspections: Gearcase housingall gasket surfaces must be free of gasket materialAll threaded holes must be free of corrosion and sealerUpper driveshaft oil circulation hole must be clear
OJ Hydrostatic seal rings
- must be in good condition to help prevent propeller ventilation