🏷️ Basic Information Identification Make: Yamaha Model: 30ELN Year: 1984 Generation: N/A 📋 Manual Details Documentation Manual Type: Service Repair Maintenance Manual Level: Factory Professional Language: English Format: PDF Features: Step-by-step procedures, Exploded diagrams, Bookmarked, Searchable ⚙️ Engine Specifications Powertrain Engine Type: 2-stroke Displacement: 496 cc Power: 30 hp Cylinder Configuration: Inline 2-Cylinder Bore X Stroke: 64 mm x 76 mm Fuel Induction: Carburetor Cooling System: Water-cooled 🔧 Transmission Powertrain Type: Outboard Motor Gearcase Gears: Forward, Neutral, Reverse Gear Ratio: 2.00:1 (typical for this model) 🔧 Maintenance Routine Care Recommended Fuel: Unleaded Gasoline (87 Octane) Recommended Oil Type: Yamalube 2-Stroke Outboard Oil Oil Capacity Gearcase: Approx. 17 fl oz (0.5 L) Spark Plug Type: NGK BR8HS-10 Spark Plug Gap: 0.8 - 1.0 mm 📄 Performance Operational Ignition System: CDI (Capacitor Discharge Ignition) Starting System: Electric Start Trim Tilt System: Manual Tilt / Power Trim (depending on specific 'ELN' designation)