2001 Mercury Mariner 50-60HP Factory Service Manual, Page 219Get this manual

CYLINDER HEAD
Rocker Arm Assembly Removal
1Remove five bolts and the rocker arm shaft

aRocker Arm ShaftBolts (5) M8x23

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