🏷️ Basic Information Identification Make: Mercury Mariner Model: Outboard Motors (2-Stroke) Year: 1987-1993 Generation: N/A 📋 Manual Details Manual Information Manual Type: Service and Repair Manual Language: English Page Count: 391 Format: PDF Delivery Method: Instant Download Features: Bookmarks, Searchable Text, Index, Printable ⚙️ Engine Specifications General Engine Type: 2-Stroke Power Output Horsepower Range: 70-115 HP Cylinder Count Cylinder Configuration: 3-Cylinder and 4-Cylinder Displacement Displacement: Not specified (varies by model) Fuel System Fuel Delivery: Carburetion and Oil Injection Ignition Ignition System: Electrical Ignition Cooling Cooling System: Water Cooled Starting Starting System: Electric Starter 🔧 Transmission Gear Housing Type: Lower Unit Gear Housing Gears: Forward, Neutral, Reverse Drive Shaft Drive Shaft: Included 🔧 Maintenance Lubrication Engine Oil Type: Specified in manual (2-stroke oil) Gear Lube Type: Specified in manual Service Schedule Service Interval: Detailed in manual Power Trim Power Trim System: Covered (Design I & II, Single Ram) 📄 Diagnostics Troubleshooting Troubleshooting Guide: Included Error Codes: May be covered 📄 Wiring Diagrams Electrical Wiring Diagrams: Included 📄 Technical Data Specifications Torque Specs: Included Part Diagrams: Included