🏷️ Basic Information Identification Make: Yamaha Model: 115C/130C Outboard Motor Year: 2003 Generation: N/A 📋 Manual Details Document Info Manual Type: Service Manual Language: English Page Count: 345 Format: PDF Printable Sections: True ⚙️ Engine Specifications General Engine Type: Outboard Motor Cylinder Configuration: Inline 4-Cylinder Performance Power Output 115Hp: 115 hp Power Output 130Hp: 130 hp Displacement Displacement: 1730 cc Fuel System Fuel Induction: Carbureted Cooling System Cooling Method: Water-cooled 🔧 Transmission Drive System Type: Outboard Lower Unit Gear Ratios Gear Ratio: 1.85:1 (typical for 115hp/130hp models) 🔧 Maintenance Routine Flush Procedure: Flush with clean water after each use Fuel Line Depletion: Disconnect fuel lines and let motor exhaust residual fuel Scheduled Oil Change Interval: Refer to service manual for specific intervals Spark Plug Replacement: Regular replacement recommended Fuel Filter Replacement: Regular replacement recommended Lubrication Lower Unit Oil Capacity: Refer to service manual for specific capacity 📄 Trouble Analysis Diagnostics Trouble Shooting Guide: Included in manual 📄 Electrical Systems Ignition Ignition System: CDI (Capacitor Discharge Ignition) 📄 Power Unit Components Cylinder Head: Aluminum alloy Crankshaft: Forged steel 📄 Bracket Unit Trim Lift Power Trim Tilt: Included (system inspection recommended)