Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 158Get this manual

CYLINDER HEAD INSTALLATION InSla ll

overheat

temperature

1Install each cylinder head to engine block with
thermostat pocket Apply light oil to cylinder head

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