🏷️ Basic Information Identification Make: Mercury Model: Mariner Year: 1977-1989 Generation Generation: First Generation (1977-1989) 📋 Manual Details Information Manual Type: Repair Service and Maintenance Manual Language: English Page Count: 610 Format: PDF Availability: Downloadable ⚙️ Engine Specifications General Engine Type: Outboard Motor Power Range Power Output: 45-220 hp Fuel System Carburetor Types: Side bowl and back drag carburetors Ignition System Ignition Details: Comprehensive Ignition section Cranking System Cranking Motor Solenoid: Included in Tuning section 🔧 Maintenance General Maintenance Lubrication: Detailed lubrication procedures Seasonal Maintenance Winter Storage: Included in Maintenance section Corrosion Control Corrosion Prevention: Detailed in Safety section Propeller Service Propeller Maintenance: Covered in Safety and Maintenance sections Cleaning And Polishing Hull Care: Includes fiberglass hull care 📄 Repair Procedures General Repair Instruction Style: Step-by-step instructions Visual Aids Diagrams: Exploded views included Electrical Systems Wiring Diagrams: Comprehensive Electrical and Wiring section Powerhead Repair Powerhead Service: Dedicated Powerhead section Lower Unit Service Lower Unit Repair: Dedicated Lower Unit section Trim Tilt System Trim Tilt Service: Dedicated Trim/Tilt section 📄 Troubleshooting Fuel System Issues Fuel Troubleshooting: Included in Fuel section 📄 Tuning And Adjustment Engine Tuning Tune Up Sequence: Included in Tuning section Engine Diagnostics Compression Check: Included in Tuning section Fuel System Tuning Carburetor Adjustment: Included in Tuning section Timing Synchronization Timing Procedures: Dedicated Timing and Synchronizing section 📄 Oil System Oil Injection Oil Injection Service: Dedicated Oil Injection section 📄 Controls Remote Controls Remote Control Service: Dedicated Remote Controls section 📄 Starter System Hand Rewind Hand Rewind Starter Service: Dedicated Hand Rewind Starter section 📄 Appendix Supplementary Information Appendix Content: Included in Appendix section