🏷️ Basic Information Identification Make: Yamaha Model: 15 ELD Year: 1990 Generation: Not Specified 📋 Manual Details Publication Manual Type: Service Repair Maintenance Manual Language: English Format: PDF Features Searchable: Yes Bookmarked: Yes Content Content Coverage: Comprehensive (disassembly, repair, assembly, inspection) ⚙️ Engine Specifications General Engine Type: 2-Stroke Configuration Cylinders: 2 Cylinder Arrangement: Inline Performance Horsepower: 15 hp Cooling Cooling System: Water-cooled 🔧 Transmission General Type: Outboard Lower Unit Gears Gear Selector: Forward, Neutral, Reverse 🔧 Maintenance Lubrication Gearcase Oil Type: Yamaha Outboard Gearcase Lubricant (or equivalent SAE 80W-90) Gearcase Oil Capacity: Approx. 250 ml (8.5 oz) Fuel System Fuel Type: Unleaded Gasoline Fuel Oil Ratio: 50:1 (for break-in and general use with TC-W3 oil) 📄 Ignition System Ignition System: CDI (Capacitor Discharge Ignition) Spark Plug Spark Plug Type: NGK BR7HS-10 (or equivalent) 📄 Cooling Water Pump Water Pump Impeller Material: Rubber 📄 Electrical Charging Charging System: Optional/Standard (depending on specific ELD configuration) 📄 Controls Steering Steering Mechanism: Tiller Handle Throttle Throttle Control: Tiller Handle Mounted Twist Grip