🏷️ Basic Information Identification Make: Yamaha Product Type: Outboard Motor Service Manual Model Range: 2 HP to 250 HP Model Years Covered: 1984-1996 📋 Manual Details Documentation Manual Type: Factory Service Manual / Shop Repair Manual Language: English Page Count: 600+ Format: PDF Availability Preview Available: Yes ⚙️ Engine Specifications Engine Configuration Engine Type: 2-stroke and 4-stroke Cylinders: 1, 2, 3, 4, V4, V6 Displacement Min Displacement Cc: 43 Max Displacement Cc: 3130 Power Min Power Hp: 2 Max Power Hp: 250 Specific Models Common Models 2 Stroke: 2hp, 3hp, 4hp, 5hp, 6hp, 8hp, 9.9hp, 15hp, 20hp, 25hp, 28 Jet, 30hp, 35 Jet, 40hp, 48hp, 50hp, 55hp, 60hp, 65 Jet, 70hp, 75hp, 80hp, 80 Jet V4, 85hp, 90hp, 105 Jet V6, 115hp V4, 130hp V4, 140hp V4, 140 Jet V6, 150hp V6, 175hp V6, 200hp V6, 220hp V6, 225hp (76 deg. V6, 90 deg. V6), 250hp V6 Common Models 4 Stroke: 9.9hp, 45hp, 50hp 🔧 Transmission Drive System Type: Outdrive (propeller shaft driven) Gearing Gear Reduction: Varies by model (details in manual) 🔧 Maintenance Lubrication Oil Type Recommendation: Refer to specific engine model in manual (likely TC-W3 for 2-stroke, Yamalube or equivalent for 4-stroke) Maintenance Schedule Service Interval Guideline: Regular maintenance recommended (e.g., annual checks, spark plug replacement, fuel filter replacement - refer to manual for specifics) Fuel System Fuel Type: Unleaded gasoline (octane rating varies by model - refer to manual) Cooling System Cooling Method: Raw water cooling Ignition System Spark Plug Type: Specific to each model (details provided in manual)