Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 102Get this manual

CYLINDER HEAD
Special Tools
5Valve Seat Cutter Kit (Obtain Locally)

Quicksilver Lubricants and Service Aids
Description 92-802878-57

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives