1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 200Get this manual
Cleaning and InspectionAll Models
i cause loss of control over direction of engine thrust
Replace damaged componentsShift system failure could
1Discard all seals, O-rings, gaskets, and clutch dog spring
I.A 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 withOMC Hi- Vis 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 sealer Gearcase anodesif anodes have been reduced to twothirds of their original size, they must be replacedRefer to Section for testing procedure8289