🏷️ Basic Information Identification Make: BMW Model: R Series (R80, R90, R100) Year: 1982 Codes Engine Code General: Air-cooled flat-twin boxer engines 👋 Introduction Market Position Segment: Classic European Boxer Twin Motorcycles Target Audience: BMW motorcycle owners, mechanics specializing in vintage BMWs, collectors. Competitive Analysis Competitors: Haynes manuals, Clymer manuals, and official BMW factory service bulletins of the era. Key Features Manual Advantage: Provides detailed, expert-level instructions that were originally used by BMW-trained technicians. Crucial for maintaining the specific engineering of these robust machines. Historical Value: Essential documentation for preserving and restoring iconic BMW motorcycles known for their longevity and touring capabilities. 📋 Manual Details Coverage Areas Primary Coverage: Service, repair, and maintenance for BMW R80, R90, and R100 models from 1982. Specific Models Covered: BMW R80, R80/7, R80G/S, R80RT, R90/6, R90S, R100/7, R100RS, R100RT, R100S, R100CS, R100GS (select models depending on specific year coverage within the 1982 timeframe). Page Count Estimated Page Count: Likely 300-600 pages, typical for comprehensive workshop manuals of this era. Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Likely a printed manual or a searchable PDF (digital format). 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, tuning, troubleshooting, top-end rebuilds (cylinder heads, valves), bottom-end rebuilds (crankshaft, connecting rods, bearings). Fuel System: Carburetor overhaul (Dell'Orto, Bing), fuel pump, fuel lines, fuel tank maintenance. Transmission: Gearbox disassembly, assembly, lubrication, shift mechanism troubleshooting, clutch service. Drivetrain: Driveshaft (universal joint), final drive unit (bevel gear housing, bearing replacement). Electrical System: Ignition system (points, electronic ignition, spark plugs, coils), charging system (alternator, regulator), lighting, starter motor, battery maintenance, wiring diagrams. Suspension: Front forks (oil change, seal replacement, spring replacement), rear shock absorbers, swingarm, wheel bearings. Brakes: Disc brake overhaul (caliper rebuild, pad replacement), master cylinder, brake lines, bleeding procedures. Bodywork: Frame inspection, fairings, seat, fuel tank removal/installation, fenders, exhaust system. Procedures Included Maintenance: Routine service, oil changes, filter replacements, spark plug adjustments, valve clearance checks and adjustment, lubrication points, tire pressure checks. Troubleshooting: Diagnostic procedures for common starting issues, running problems, electrical faults, braking issues, transmission quirks. Repair: Step-by-step instructions for component replacement and repair across all major systems. Special Tools: Identification and usage of specialized BMW tools required for certain procedures. Technical Depth Depth: Comprehensive, covering everything from basic adjustments to complete engine and transmission rebuilds. Suitable for professional mechanics and advanced DIY enthusiasts. 📊 Manual Specifications File Format Digital Format: Likely PDF, possibly with OCR for searchable text. Print quality of digital versions will vary. Print Quality Printed Format: High-quality paper, clear diagrams and text. Original manuals were typically well-produced. Binding Type Printed Binding: Likely bound with staples, perfect binding, or ring binding for lay-flat use in a workshop. Paper Type Printed Paper: Durable, often slightly glossy paper to withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, boxer-twin engine. Engine Displacement R80: 797.5 cc (R80) Engine Displacement R90: 897.0 cc (R90/6, R90S) Engine Displacement R100: 979.0 cc (R100/7, R100RS, R100RT, R100S, R100CS, R100GS) Performance Horsepower R80 Approx: 50 hp @ 6500 rpm Horsepower R90S Approx: 67 hp @ 7000 rpm Horsepower R100Rs Approx: 70 hp @ 7000 rpm Torque R100Rs Approx: 75 Nm (55 lb-ft) @ 5500 rpm Fuel System Carburetor Type R80 R100: Bing 32mm or 40mm (depending on model) or Dell'Orto PHM 40 Carburetor Type R90S: Dell'Orto PHM 40 Fuel Type: Unleaded gasoline (octane rating specified in manual, likely 91 RON or higher). 🔧 Transmission Standard Type: 5-speed constant mesh gearbox. Optional Type: N/A (all models featured the 5-speed gearbox). Features Clutch Type: Single dry plate clutch, hydraulically operated. Gear Ratios: Vary slightly by model, detailed in the manual. Final Drive: Shaft drive, enclosed. 📐 Dimensions Exterior Wheelbase: Varies by model (e.g., R100RS approx. 1460 mm / 57.5 inches). Weights Dry Weight: Varies by model (e.g., R100RS approx. 205 kg / 452 lbs). Wet Weight: Varies by model (e.g., R100RS approx. 220 kg / 485 lbs with fluids). 🛡️ Safety Features Ratings Historical Context: Safety ratings as per contemporary standards, less stringent than modern vehicles. Focus on mechanical integrity and rider awareness. Active Features Braking System: Dual disc front brakes (typically Brembo), single disc rear brake (on most models). Highly effective for their time. Passive Features Frame Construction: Steel tube frame, designed for stability and durability. 💡 Technology Features Infotainment Availability: N/A. Focus is on mechanical and electrical systems, not infotainment. Driver Assistance Availability: N/A. No electronic driver assistance features. Connectivity Availability: N/A. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-10,000 km (3,000-6,000 miles) or annually. Manual will specify exact intervals. Valve Adjustment Interval: Typically every 10,000 km (6,000 miles). Critical for engine longevity. Spark Plug Replacement: As per manual, often every 10,000-20,000 km (6,000-12,000 miles). Fluid Specifications Engine Oil: Mineral-based motorcycle oil, SAE 20W-50 or 20W-40 typically recommended. Manual will specify BMW approval...