1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 179Get this manual
Assembly
Lubricate parts for assembly using Johnson or Evinrude Ultra 4-Stroke Crankcase Oil
Cylinder Head
rn 2.until seated.new valve seals with oil and push onto valve Lubricate guide rn 3Lubricate valve stems with oil and insert in cylinder head
1If removed, install valve spring seats in cylinder head