🏷️ Basic Information Identification Make: Mercury Model: Mariner Model Variant: 75 Marathon / 75 Seapro / 75-90-100-115-125 / 65-80 Jet Generation: Not specified 📋 Manual Details Information Manual Type: Service Manual Manual Title: Mercury Mariner (outboard) 75 Marathon 75 Seapro 75-90-100-115-125 65-80 Jet Service Manual PDF Download Language: English Format: PDF Availability: Downloadable Content Features Content Description: Repair and service information, step-by-step instructions, detailed disassembly, photos, illustrations, notes, cautions, warnings, numbered instructions, bold figure numbers, enlarged insets. ⚙️ Engine Specifications General Engine Type: Outboard Power Output Horsepower Range: 65-125 HP (across various models) Displacement Displacement: Not specified Cooling System Cooling Method: Water-cooled 🔧 Transmission Gearcase Type: Outboard Gearcase Gear Ratios Gear Ratios: Not specified 📐 Dimensions Weight Weight: Varies by model (e.g., 105 kg / 231 lbs for a 90 HP model) Shaft Length Shaft Length Options: Not specified 🔧 Maintenance Oil Recommendations Recommended Oil Type: Not specified Oil Capacity Gearcase Oil Capacity: Not specified Service Intervals Recommended Service Intervals: Detailed in manual 📄 Fuel System Carburetion Carburetion Type: Not specified Injection Fuel Injection Type: Not specified 📄 Electrical System Ignition Ignition System: Not specified 📄 Performance Propulsion Propulsion Type: Outboard Motor