1996 Johnson/Evinrude Outboards 8 thru 15 Four-Stroke Service Manual, Page 168Get this manual
[]] 7Mark valves for location and remove I Note 8Remove valve seals carefully, using pliers, to avoid damaging guideReplace valve seal and spring assembly when ever removed
9If necessary to replace, remove valve spring seat from head
10Remove camshaft seal using CIVIC Slide Hammer, PIN 432128, and CIVIC Large Jaw Puller, PIN 432129Discard seal
Clean ing
INotel Before inspecting or assembling powerhead, all internal
components must be clean and free of contaminants1Remove any carbon accumulation from cylinder head combustion chambers2If cylinder walls are glazed from extended use, use medium grit hone to resurface wallsUse slow RPM to achieve strong :'crosshatch" pattern for best oil retention and ring sealing