1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 212Get this manual
rn 8Inspect valves attention to the valveexcessive replaceor for contamination, wear, damagePay particular seat face, if
pittedValve stems that show excessive wear or are warped should be replaced[] 9Push on compression relief pinPin should move smoothly with very little pressureIf pin sticks or requires significant effort to move, check for cause and repair or replace as necessary[] 10Use micrometer to measure the camshaft lobesRefer to Engine Specifications, Section 1, for dimensions
11Inspect rocker arms for contamination, excessive wear, or damageSome wear to the face of the rocker arm is normalReplace if wear is severe enough to show porosity (pitting) on the face
[1Q] Important