2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 148Get this manual

2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Repair Manual, PN 5005471, Page 148

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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
Use microme