2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 148Get this manual
POWERHEAD INSPECTION seat face, replace if pittedValve stems that show excessive wear or are warped should be replacedInspect rocker arms for contamination, excessive wear, or damage
Push on compression relief pinPin should move smoothly with very little pressureIf pin sticks or requires significant effort to move, replace the camshaft assembly
IMPORTANT: Some wear to the face of the rocker arm is normalReplace if wear is severe enough to show porosity (pitting) on the face