Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 237Get this manual

7Secure upper pivot pin with trilobe pinPress trilobe pin in until its fully seated 11 Secure wire harness with clamps as shown
a Trilobe Pin

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