🏷️ Basic Information Identification Make: Yamaha Model: 40ELRW Year: 1998 📋 Manual Details Overview Manual Type: Service Repair Maintenance Manual Language: English Technical Format: PDF Features: Bookmarked and Searchable ⚙️ Engine Specifications General Engine Type: 2-Stroke Configuration: Inline 3-Cylinder Performance Horsepower: 40 Wide Open Throttle Rpm Range: 4500-5500 Technical Bore X Stroke: 72mm x 61mm Displacement: 703cc (42.9 cu in) 🔧 Transmission Gear Ratio Gear Ratio: 2.15:1 Operation Type: Forward-Neutral-Reverse 🔧 Maintenance Lubrication Gearcase Oil Capacity: 250 cc (8.4 US oz) Ignition Spark Plug Gap: 0.8-0.9 mm (0.031-0.035 in) Fuel Recommended Fuel Type: Unleaded Gasoline (87 Octane Minimum) Cooling Cooling System Type: Water-Cooled 📄 Electrical Ignition Ignition System: CDI (Capacitor Discharge Ignition) Charging Alternator Output: 10 Amps @ 1500 RPM 📄 Fuel System Induction Carburetion: 3 x Mikuni Carburetors 📄 Propulsion Propeller Recommended Propeller Pitch: 11" - 15"