1999 "EE" Evinrude 5 thru 15 4-Stroke Service Repair Manual, P/N 787022, Page 138Get this manual

1999 "EE" Evinrude 5 thru 15 4-Stroke Service Repair Manual, P/N 787022, Page 138

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[] 8 Inspect valves for contamination, excessive wear, or damagePay particular attention to the valve seat face, replace if pittedValve stems that show excessive wear or are warped should be replaced[