🏷️ Basic Information Identification Make: Yamaha Model: 4LD Outboard Year: 1990 Generation: N/A 📋 Manual Details Description Manual Type: Service Repair Maintenance Language: English Page Count: Unknown (PDF, often variable) Format: PDF Features Searchable: Yes Bookmarked: Yes Diagrams: Exploded diagrams included Coverage Repair Scope: Disassembly, repair, assembly, inspection ⚙️ Engine Specifications General Engine Type: Outboard Motor Cylinders: Likely 2 or 3 (common for this era and size) Displacement: Unknown (Specific to 4LD model) Power: Unknown (Specific to 4LD model) Fuel System Fuel Type: Gasoline Ignition Ignition System: Unknown 🔧 Transmission Drive Type: Outboard Drive Gears Gear Selection: Forward, Neutral, Reverse 🔧 Maintenance Lubrication Recommended Oil Type: Yamaha Outboard Oil (specific grade to be confirmed in manual) Oil Capacity: Unknown (Specific to engine configuration) Schedule Service Interval: Refer to manual for detailed schedule 📄 Electrical Starting Starting System: Electric Start / Recoil Start (depending on specific configuration) 📄 Cooling System Cooling Method Cooling Type: Water Cooled 📄 Propulsion Propeller Propeller Type: Outboard Propeller (pitch and diameter to be specified)