🏷️ Basic Information Identification Make: Yamaha Model: 50EJRY Outboard Year: 2000 Generation: Pre-2000s generation 📋 Manual Details Documentation Manual Type: Service Repair Maintenance Manual Language: English Page Count: Not specified Format: PDF Download Features Searchable: Yes Bookmarked: Yes Diagrams: Exploded diagrams ⚙️ Engine Specifications General Engine Type: Outboard Motor Cylinder Configuration: Inline 3-Cylinder Bore X Stroke: Not specified Performance Power Output: 50 HP Displacement: 703 cc (42.9 cu in) Full Throttle Rpm Range: 4500-5500 RPM 🔧 Transmission Gear Ratio Gear Ratio: 2.15:1 Operation Type: Forward-Neutral-Reverse 🔧 Maintenance Lubrication Recommended Oil Type: Yamalube 2-M TC-W3 NMMA Certified Gear Lube Capacity: Not specified Service Schedule Initial Service Interval: First 20 hours or 3 months Regular Service Interval: Every 100 hours or 6 months 📄 Performance Data Fuel Fuel Type: Unleaded gasoline Recommended Octane: 87 Octane (86 AKI) 📄 Cooling System Type Cooling System: Water-cooled 📄 Ignition System Type Ignition System: CDI (Capacitor Discharge Ignition) 📄 Electrical System Charging Charging Output: 16 Amp at 13.5V (approx)