1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 248Get this manual
Cleaning and Inspection
& Replace &
damaged componentsShift system failure will cause loss of control over direction of engine thrust
1Discard all seals, O-rings, and gaskets2Clean all jet' drive 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)3Perform the following inspections: Jet drive housingAll surfaces must be free of corrosion and sealerAll threaded holes must be free of corrosion and sealer