1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 208Get this manual
7Remove va Ives I]] INote 8Remove valve seals carefully, using pliers, to avoid
[] 9If necessary to replace, remove valve spring seat from head
damaging guideReplace valve seal and spring assembly whenever removed
10Remove camshaft seal using CIVIC Slide Hammer, PIN 432128, and CIVIC Large Jaw Puller, PIN 432129Discard seal
Cleaning
INote Before
inspecting or assembling powerhead, all internal components must be clean and free of contaminants
1Remove any carbon accumulation from cylinder head combustion chamber2If the cylinder wall is glazed from extended use, use medium grit hone to resurface itUse slow RPM to achieve strong "crosshatch" pattern for best oil retention and ring sealing
To avoid personal injury, wear eye protection and rubber gloves when using CIVIC Gel Seal and Gasket Remover