🏷️ Basic Information Identification Make: Yamaha Model: C90TLRX Year: 1999 Manufacturer: Yamaha Motor Corporation Product Category: Outboard Motor 📋 Manual Details Documentation Manual Type: Service Repair Maintenance Language: English Content Format: Bookmarked and Searchable Content Coverage: Disassembly, repair, assembly, and inspection operations 🔧 Transmission Drivetrain Drive System: Outboard Lower Unit 🔧 Maintenance Servicing Recommended Oil Type: Yamaha 2M-W oil or equivalent TC-W3 rated 2-stroke oil Oil Capacity: Specific oil capacity varies by model and application; consult manual for precise amounts Spark Plug Type: NGK BUHW or equivalent 📄 Specifications Engine Device Type: Outboard Motor Intended Use: Marine Propulsion Ignition System: CDI (Capacitor Discharge Ignition) 📄 Performance Specs Engine Engine Type: 2-Stroke Displacement: 89.8 cu. in. (1472 cc) Horsepower: 90 Fuel Type: Gasoline Carburetion: Triple Carburetor System Gear Ratio: Refer to manual for specific gear ratio 📄 Operational Details Operation Operating Conditions: Freshwater and Saltwater Environments Cooling System: Water Cooled