🏷️ Basic Information Identification Make: Yamaha Model: 30ELN Outboard Year: 1984 Generation: N/A (Specific Model Year) 📋 Manual Details Availability Manual Type: Service Repair Maintenance Manual Language: English Format: PDF Features Searchable: Yes Bookmarked: Yes Content Coverage: Comprehensive Diagrams: Exploded diagrams for disassembly/assembly Procedure Format: Step-by-step ⚙️ Engine Specifications General Engine Type: Outboard Motor Performance Horsepower: 30 Configuration Cylinders: 2 Displacement Displacement: 496cc Cooling Cooling System: Water-cooled Fuel System Fuel Induction: Carbureted Ignition Ignition System: CDI Induction Aspiration: Naturally Aspirated 🔧 Transmission Drive System Type: Outboard Gearcase Gear Ratios Gear Ratio: 2.15:1 Control Shift Positions: Forward, Neutral, Reverse 🔧 Maintenance Lubrication Recommended Oil Type: 2-stroke outboard oil Oil Capacity Gearcase: Approx. 200-250 ml Service Schedule Initial Service: First 10 hours of operation Regular Service: Every 100 hours or annually Filters Fuel Filter Replacement: As needed, check regularly Ignition Spark Plug Type: NGK BR7HS-10 Spark Plug Gap: 0.8-1.0 mm