🏷️ Basic Information Identification Make: Mercury Mariner Model: Mariner Outboard Model Variant: 225 EFI / 250 EFI / 3.0 Litre Marathon / 3.0 Litre SeaPro Year: Not specified (covers serial numbers from US 0D280813 and above) Serial Number Coverage: US 0D280813 and above 📋 Manual Details Description Manual Type: Factory Service Repair Manual Format: PDF Delivery Delivery Method: Digital Download Shipping Cost: $0.00 Content Language: English Page Count: Not specified ⚙️ Engine Specifications General Engine Type: 2-stroke Displacement Displacement: 3.0 litre Power Horsepower: 225 Hp / 250 Hp Fuel System Fuel Induction: Electronic Fuel Injection (EFI) Cooling Cooling System: Water-cooled (assumed for outboard) 📄 Manual Contents Sections Covered Sections: Important Information, Electrical, Fuel System, Powerhead, Mid-section, Lower Unit, Attachments/Control Linkage Use Intended Users: Service mechanics, DIY enthusiasts 📄 Technical Requirements Software PDF Reader Required: Yes 📄 Support Customer Service Troubleshooting Assistance: Available upon request