🏷️ Basic Information Identification Make: BMW Model: R80 Year: 1982 Product Type: Full Service Repair Manual 👋 Introduction Market Position Motorcycle Segment: Classic Boxer-twin sport touring/standard motorcycle Competitive Analysis Competitors 1982: Honda CB750, Kawasaki KZ1000, Suzuki GS1000, Yamaha XS1100 Key Features Powertrain: Air-cooled, horizontally opposed twin-cylinder boxer engine Drivetrain: Shaft drive, minimizing maintenance compared to chain drive Handling: Known for stable handling and comfortable ride, especially with later suspension upgrades Durability: Renowned for robust construction and longevity when properly maintained 📋 Manual Details Coverage Areas Primary Coverage: BMW R80 motorcycle Specific Models Covered: R80 (all variants from 1982, e.g., R80/7, R80G/S, R80ST) Page Count Estimated Pages: 300+ Manual Type Type: Comprehensive Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine: Overhaul, tuning, diagnostics, lubrication, cooling system Fuel System: Carburetor servicing (Bing), fuel pump, fuel lines, fuel tank Ignition System: Points and condenser ignition, ignition timing, coil, spark plugs Transmission: Gearbox overhaul, clutch, drive shaft, final drive Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation Chassis And Suspension: Front fork (BMW Telelever/Earles Fork variations), rear shock absorbers, swingarm Brakes: Front and rear brake systems (drum and disc variations), hydraulic system, brake fluid Wheels And Tires: Wheel bearing replacement, tire pressure, wheel balancing Bodywork And Frame: Frame inspection, seat, fenders, fairings (if applicable) Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, chain lubrication (if applicable), valve adjustments Troubleshooting: Diagnostic charts, common problem identification and solutions Repair And Rebuild: Complete engine rebuild, transmission overhaul, suspension component replacement, electrical system repairs Adjustments: Carburetor synchronization, idle speed adjustment, ignition timing, clutch adjustment Restoration: Guidance on refurbishing and restoring original components Technical Depth Depth: Comprehensive, covering all aspects from basic checks to full engine disassembly and rebuild 📊 Manual Specifications File Format File Type: Likely PDF, optimized for digital viewing and printing Print Quality Image Resolution: High-resolution scans of original diagrams and photos for clarity Binding Type Binding: Not Applicable (Digital Format) Paper Type Paper Quality: Not Applicable (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, air-cooled, horizontally opposed twin-cylinder (Boxer) Displacement: 797.1 cc (48.65 cu in) Bore X Stroke: 82 mm x 75.6 mm (3.23 in x 2.98 in) Compression Ratio: 8.2:1 Valve Train: Overhead valves (OHV), pushrod actuated Performance Horsepower: Approx. 50 HP (37 kW) @ 6000 RPM (Varies slightly by specific R80 model) Torque: Approx. 60 Nm (44 lb-ft) @ 4500 RPM (Varies slightly by specific R80 model) Fuel System Carburetors: Dual Bing 32mm constant velocity carburetors Fuel Type: Unleaded gasoline (87-91 octane recommended) Ignition System Ignition Type: Battery-coil ignition with breaker points and condenser Lubrication Oil Type: SAE 20W-50 motorcycle-specific oil Oil Capacity: Approx. 2.75 liters (2.9 US quarts) 🔧 Transmission Standard Type: 5-speed constant mesh gearbox Optional Options: N/A (standard configuration) Features Clutch: Single dry plate, diaphragm spring operated Final Drive: Enclosed driveshaft with universal joint Fluid Specifications Gearbox Oil Type: SAE 90 Hypoid Gear Oil (API GL-4) Fluid Capacities Gearbox Oil Capacity: Approx. 0.8 liters (0.85 US quarts) 📐 Dimensions Exterior Length: Approx. 2180 mm (85.8 in) (Varies by model) Width: Approx. 750 mm (29.5 in) (Varies by model) Height: Approx. 1250 mm (49.2 in) (Varies by model) Weights Dry Weight: Approx. 195 kg (430 lbs) (Varies by model) Fuel Tank Capacity: 24 liters (6.3 US gallons) 🛡️ Safety Features Ratings Safety Standards: Designed to meet European and North American safety standards of the era. Active Features Braking: Front disc brake (single or dual depending on model), rear drum brake or disc brake. Passive Features Lighting: Halogen headlight, taillight, turn signals 💡 Technology Features Infotainment Features: Analog gauges: speedometer, tachometer, odometer, fuel gauge, voltmeter/ammeter (depending on model). Driver Assistance Features: None (traditional motorcycle design) Connectivity Features: None (traditional motorcycle design) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 km (3,000 miles) or annually, whichever comes first. Valve Adjustment Interval: Every 10,000 km (6,000 miles) or annually. Spark Plug Replacement: Every 10,000 km (6,000 miles) or as needed based on inspection. Gearbox Oil Change: Every 10,000 km (6,000 miles) or annually. Final Drive Oil Change: Every 20,000 km (12,000 miles) or every two years. Fluid Specifications Brake Fluid Type: DOT 4 brake fluid Fork Oil Type: SAE 15W or 20W fork oil (specific viscosity recommended by manual) Known Issues Common Wear Items: Carburetor diaphrams, clutch plates, fork seals, drive shaft U-joint, swingarm bearings Electrical Concerns: Aging wiring insulation, points ignition reliability at higher RPMs, voltage regulator issues Engine Tuning: Carburetor synchronization and jetting can be sensitive to altitude and modifications Maintenance Tips Carburetor Cleaning: Regular cleaning and adjustment of Bing carburetors is crucial for optimal performance. Shaft Drive Lubrication: Proper lubrication of the final drive and driveshaft is essential for longevity. 📚 Vehicle History Brand Heritage Bmw Motorrad Legacy: BMW Motorrad, established in 1916,...