🏷️ Basic Information Identification Make: Mercury Mariner Model: 30hp Marathon & Sea Pro Year: 1997 onwards Generation: Not specified (applies to 1997 and later models) 📋 Manual Details Document Information Manual Type: Service Repair Workshop Manual Language: English Page Count: Not specified (downloadable PDF) Format: PDF Delivery Method Delivery: Instant Download ⚙️ Engine Specifications Engine Configuration Engine Type: 2 Stroke Engine Displacement Displacement: Not specified, but consistent with 30hp rating Engine Power Power: 30 hp Engine Features Cooling System: Water-cooled (standard for outboard motors) Fuel Delivery: Carbureted (typical for 2-stroke outboards of this era) 🔧 Transmission Drive System Type: Outboard Drive Gear Reduction Gear Ratio: Not specified, but detailed in manual Lower Unit Component Description: Lower Unit Repair 🔧 Maintenance Routine Maintenance Maintenance And Tune-Up: Covered in detail Timing And Adjustments: Covered in detail Fluid Capacity Gear Case Oil Capacity: Not specified, but detailed in manual Fuel Oil Mixture Ratio: Not specified, but detailed in manual (typical 2-stroke) 📄 Systems Fuel System Components: Fuel System Electrical System Components: Electrical Ignition System Starter System Components: Rewind Starter Trim And Tilt Components: Tilt & Trim Special Systems Components: Jet Drives / Sea Drives (if applicable) 📄 Diagnostics Troubleshooting Coverage: Troubleshooting section included 📄 Repair Procedures General Repair Coverage: Base Repair Specialized Repair Coverage: All Major Repair Topics Covered in Great Detail 📄 Documentation Features Visual Aids Images And Diagrams: Lots of High Quality Pictures & Diagrams Content Scope Completeness: Full & Complete, All Repairs Covered A-Z Compatibility Operating Systems: All Operating Systems (PC & MAC Compatible: Windows 95-7, etc.) 📄 Tools And Equipment Required Items Tools And Techniques: Tools & Techniques section included 📄 Parts Information Identification Part Numbers: Parts Numbers included