1997 Johnson Evinrude "EU" 90 thru 115 90 CV Service Manual, P/N 507267, Page 142Get this manual
25The wrist pin fit is loose on both sidesPush the wrist pin through to free the piston from the connecting rodIf necessary, use CIVIC Pressing Pin, PIN 326356and CIVIC Piston Cradle, PIN 326572to remove the wrist pin bearing26Be careful not to lose any ofthe 28 needle bearings or the two wrist pin washersIf any of the bearings are worn or lost, replace all 28 bearings during reassemblyto inspection and assembly, thoroughly clean all powerhead internal components
INote Prior
Cleaning
I Before inspecting or assembling powerhead, all internal components must be perfectly clean and free of contaminants1Remove any carbon accumulation from exhaust port areas
2Remove any carbon accumulation from cylinder head combustion chambers3If cylinder walls are glazed from extended use, use medium grit cylinder hone to resurface wallsUse slow RPM to achieve strong "crosshatch" pattern for best oil retention and ring sealing