1999 "EE" Evinrude 5 thru 15 4-Stroke Service Manual, P/N 787022, Page 171Get this manual
[]] 7Mark valves for location and remove []J
INotel 8Remove valve seals carefully, using pliers, to avoid damaging guideReplace valve seal and spring assembly whenever removed
9If necessary to replace, remove valve spring seat from head
10Remove camshaft seal using JIVK: Slide Hammer, PIN 432128, and JIVK: Large Jaw Puller, PIN 432129Discard seal
Cleaning
I Note 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 strongcrosshatch" pattern for best oil retention and ring sealing&
To avoid personal injury, wear eye protection and rubber gloves when using JIVK: Gel Seal and Gasket Remover
3Use JIVK: Gel Seal and Gasket Removerto remove all traces of gaskets and adhesives from the cylinder block and crankcase4Carefully remove any carbon accumulation from the tops and ring grooves of the pistonA ring groove cleaning tool can be made by breaking an old ring and grinding an angle on its endDo not damage ring grooves while cleaning5Thoroughly wash entire cylinder block and crankcase with warm, soapy water to remove all traces of contaminants