🏷️ Basic Information Identification Make: Yamaha Model: 50EJRY Outboard Year: 2000 Generation: N/A 📋 Manual Details Documentation Manual Type: Service Repair Maintenance Manual Language: English Format: PDF Availability: Factory Download Features Searchable: Yes Bookmarked: Yes Diagrams: Exploded Diagrams Included Organization: Step-by-step procedures ⚙️ Engine Specifications Configuration Engine Type: Outboard Cylinders: 3 Aspiration: Naturally Aspirated Performance Power Output: 50 HP Displacement: 703 cc (42.9 cu. in.) Bore X Stroke: 72.0 x 85.0 mm (2.83 x 3.35 in.) Cooling Cooling System: Water-cooled Fuel System Fuel Induction: Carburetor 🔧 Transmission Drive Type: Outboard Drive Unit Gear Ratio: 1.85:1 (24/13) Gear Shift: Forward-Neutral-Reverse 🔧 Maintenance Lubrication Recommended Oil Type: Yamaha Outboard Oil SE (or equivalent API SE, SF, SG, SH, SJ, or higher) Gear Oil Type: Yamaha Outboard Gear Oil SAE 80W-90 (or equivalent SAE 80W-90) Intervals Initial Service Interval: 10 hours Regular Service Interval: 100 hours or annually Fuel Filter Replacement: As needed/inspected Spark Plug Replacement: As needed/inspected