🏷️ Basic Information Identification Make: Mercury/Mariner Model: Outboard Motor Coverage Years Covered: 1965-1989 Power Range Hp: 45-115 HP Generation Description: Covers a wide range of Mercury/Mariner two-stroke outboard models across multiple years and configurations. 📋 Manual Details Identification Manual Type: Service Manual / Workshop Manual / Repair Manual Language: English Delivery Format: PDF Delivery Method: Instant Download Compatibility Software Required: None (Works on all computers) ⚙️ Engine Specifications Engine Type Type: Two-Stroke Cylinders Count: 3 & 4 Cylinder Displacement Example Displacement: Varies by model and year (specific data not provided in product description) Power Output Range Hp: 45-115 HP Fuel System Type: Carburetor or Multi-point Sequential Electronic Fuel Injection (EFI) Cooling System Type: Water Cooled Ignition System Components: Spark Plug, Ignition Coil, ECM (Engine Control Module) Lubrication System Type: Wet Sump 🔧 Transmission Type Gear Configurations: Forward-Neutral-Reverse Propeller Rotation Standard: Right-hand rotation Counter Rotation Available: Yes 📐 Dimensions Transom Height Type: Varies by model and year (specific data not provided in product description) Weight Type: Varies by model and year (specific data not provided in product description) 🔧 Maintenance Scheduled Maintenance Importance: High (Ensures peak operating condition and compensates for wear) Key Tasks Examples: Spark plug replacement, fuel hose inspection, oil changes, water pump impeller replacement, lubrication. Fluid Recommendations Engine Oil: Varies by model and year (specific viscosity and amounts detailed in manual) Gear Oil: Specific Outboard Motor Gear Oil (capacity in ml varies) Fuel Recommendations Gasoline Octane: 87, 91, 92, 93 Octane; Race Gas 📄 Diagnostics Troubleshooting Coverage: Comprehensive troubleshooting for common issues like starting problems, rough idling, overheating, and bogging. 📄 Electrical System Components Examples: Starter motor, battery charging system, rectifier/regulator. 📄 Powerhead Rebuild Scope: Complete engine block rebuild procedures, including cylinder head, crankshaft, piston, and counter balancer. 📄 Mid Section Components Examples: Driveshaft housing, oil pan, swivel bracket, steering bracket. 📄 Lower Unit Components Examples: Gear case, gears, drive shaft, water pump, propeller shaft. 📄 Attachments Controls Examples: Control linkage, throttle/shift linkage, tiller handle. 📄 Documentation Visuals Types: Assembly illustrations, diagrams, exploded parts views, pictures.