Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 185Get this manual

CYLINDER HEAD
Special Tools
1Flywheel Holder PIN 91-83163M

2Valve Guide Remover PIN 1-809495A1

3Valve Guide Installer Bushing PIN 91-809496A1

4Valve Guide Reamer PIN 91-809497A 1

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