1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 24Get this manual

MAINTENANCE
Tilt lock pins (Make sure this pin is free to push in and out)Lubricate along the entire tilt pin track on both transom brackets

aTilt lock pinsTilt pin track Lubricate the throttle and shaft cables, moving components and pivot locations
WARNING

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