🏷️ Basic Information Identification Make: Yamaha Model: 70ETLF Year: 1989 Generation: N/A (Specific model year information) 📋 Manual Details Publication Manual Type: Service Repair Maintenance Manual Language: English Page Count: N/A (Information suggests comprehensive, but specific count not provided) Format: PDF Download Availability: Factory Features Organization: Step-by-step procedures Diagrams: Exploded diagrams before disassembly sections Searchability: Completely bookmarked and searchable ⚙️ Engine Specifications General Engine Type: Outboard Motor Displacement Displacement: N/A (Specific displacement not provided in description, but 70HP suggests ~1.0L) Power Horsepower: 70 HP Configuration Cylinders: N/A (Likely 3 or 4 cylinders for a 70HP outboard of this era) Cooling Cooling System: Water Cooled (Standard for outboards) 🔧 Transmission Gearcase Type: Outboard Gearcase Gear Ratios Gear Ratio: N/A (Specific ratio not provided) 📐 Dimensions Physical Shaft Length: N/A (ETLF designation might imply a specific shaft length, but not explicitly stated) 🔧 Maintenance Routine Service Interval: N/A (Detailed in manual) Lubrication Oil Type: N/A (Detailed in manual) Oil Capacity: N/A (Detailed in manual) 📄 Technical Data Electrical Ignition System: N/A (Detailed in manual) Fuel System Fuel Induction: N/A (Likely Carbureted for this era, detailed in manual)