1988-1992 Mercury Force 5HP Outboards Service Manual, Page 149Get this manual

FPREPARING NEW BLOCK 1Prime power head Tape over all openings in power head
IMPORTANT
Do not allow any paint to get into block or bearing areas Paint power head with metal primer

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