🏷️ Basic Information Identification Make: Mercury Mariner Model: Marathon Outboard Year: 1987-1993 Generation: Not Specified 📋 Manual Details General Manual Type: Factory Service Repair Manual Language: English Format: PDF Printable: Yes Compatibility: Win/Mac Required Software: Adobe PDF Reader ⚙️ Engine Specifications Powerhead Engine Type: 3-Cylinder Outboard Displacement: Not Specified Power: 70 Hp Fuel System Fuel System Type: Carburetion Ignition System Ignition System Type: Not Specified Lubrication Oil Injection System: Yes Starting System Starting System Type: Not Specified Charging System Charging System Type: Not Specified 🔧 Transmission Lower Unit Type: Lower Unit Gear Housing Gears: Not Specified 🔧 Maintenance General Service Interval: Refer to manual Lubrication Oil Capacity: Refer to manual 📄 Components Mid Section Description: Mid Section Shock Absorber Type: Shock Absorber Power Trim Design I Reservoir: Side Fill Design Ii Reservoir: Aft Fill Ram Type: Single Ram Installation Attachment Type: Outboard Motor Installation/Attachments Engine Attachments Description: Engine Attachments/Engine Controls Handle Type: Tiller Handle and Co-Pilot 📄 Manual Content Electrical Covered Systems: Electrical and Ignition, Battery, Charging System and Starting System Engine Repair Covered Sections: Powerhead (3-Cylinder Engines) Diagrams Wiring Diagrams: Yes Adjustments Timing Synchronizing: Yes