🏷️ Basic Information Identification Make: Mercury Mariner Model: Outboard Motor Year: 1987-1993 📋 Manual Details Availability Manual Type: Service Manual Format: PDF Language: English Page Count: 391 Features Searchable: True Printable: True Copyable: True Content Content Coverage: • pictures • part diagrams • torque specs • fuel system • ignition system • lubrication Support Replacement Policy: Free replacement if lost ⚙️ Engine Specifications General Engine Type: 2-stroke Performance Power Range Hp: 70-115 Configuration Cylinder Count 70Hp: 3 Cylinder Count 75Hp: 3 Cylinder Count 80Hp: 3 Cylinder Count 90Hp: 3 Cylinder Count 100Hp: 4 Cylinder Count 115Hp: 4 Variants Specific Models Covered: • 70 HP • 75 HP • 75 HP (Marathon) • 75 HP (75XD) • 75 HP (Seapro) • 80 HP • 90 HP • 100 HP • 115 HP Technical Technical Details Included: • bore • displacement • compression ratio • valve clearance 🔧 Maintenance General Maintenance Topics: • complete tear down • rebuild • maintenance schedule • troubleshooting