🏷️ Basic Information Identification Make: BMW Model: R 100 R Codes Internal Model Code: 247 👋 Introduction Market Position Segment: Sport Touring / Roadster Motorcycle Competitive Analysis Competitors: Honda CB750, Yamaha XJ900, Kawasaki Z1000 (at the time of its introduction). Key Features Design Philosophy: BMW's signature boxer twin engine, shaft drive, and robust touring capabilities. Target Audience: Experienced riders seeking a reliable, comfortable, and versatile motorcycle for touring and everyday use. 📋 Manual Details Coverage Areas Applicable Years: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Page Count Total Pages: 168 Manual Type Type: Workshop Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, troubleshooting, diagnostics, and specifications for the twin-cylinder boxer engine. Transmission: Disassembly, assembly, maintenance, and repair of the gearbox and clutch. Fuel System: Carburetor adjustment (Dell'Orto PHM 40 or Bing 40), fuel pump, fuel lines, and tank maintenance. Electrical System: Ignition system, lighting, charging system (alternator, battery), starter motor, and wiring diagrams. Suspension And Steering: Front fork (BMW Telelever or conventional telescopic fork depending on specific sub-model/year variations within the R100R family), rear swingarm, shock absorbers, and steering head bearings. Brakes: Brake system maintenance, bleeding procedures, caliper overhaul, disc replacement, and hydraulic system. Chassis And Bodywork: Frame inspection, body panel removal and installation, seat, fenders, and exhaust system. Procedures Included Maintenance: Regular scheduled maintenance, oil changes, filter replacements, spark plug service, valve clearance adjustment. Troubleshooting: Diagnostic procedures for common running issues, electrical faults, and mechanical problems. Repair: Step-by-step instructions for engine rebuilds, transmission overhauls, suspension component replacement, and more. Adjustment: Carburetor synchronization and adjustment, throttle cable adjustment, clutch adjustment. Special Tools: Identification and use of specific BMW special tools required for certain procedures. Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts, covering everything from basic servicing to complete engine and transmission rebuilds. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High-resolution scans, generally clear and legible text and diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Type: Air-cooled, four-stroke, flat-twin (boxer) engine Displacement: 980 cc (97.7 cubic inches) Bore X Stroke: 94 mm x 70.6 mm Compression Ratio: 8.4:1 Valve Train: Overhead camshafts (OHC), two valves per cylinder, pushrod actuated Performance Horsepower: Approx. 60-65 hp (45-48 kW) at 6,250 rpm (depending on specific market tuning) Torque: Approx. 57-60 lb-ft (77-81 Nm) at 4,500 rpm Fuel System Carburetors: 2 x Dell'Orto PHM 40 or 2 x Bing 40 carburetors Fuel Type: Unleaded gasoline (minimum 91 octane recommended) Lubrication Oil System: Integrated dry sump lubrication with oil reservoir in the crankcase. Ignition Ignition Type: Electronic ignition system (BMW breakerless) 🔧 Transmission Standard Type: 5-speed manual transmission Clutch: Single dry plate, diaphragm spring clutch Features Drive Type: Shaft drive (enclosed driveshaft) Fluid Specifications Transmission Oil Type: API GL-5, SAE 80W/90 gear oil (refer to manual for specific BMW part number and viscosity recommendations). 📐 Dimensions Exterior Length: Approx. 2,170 mm (85.4 in) Width: Approx. 850 mm (33.5 in) (at handlebars) Height: Approx. 1,230 mm (48.4 in) (at seat) Weights Dry Weight: Approx. 217 kg (478 lbs) Gross Vehicle Weight: Approx. 420 kg (926 lbs) Fuel Tank Capacity: 21 liters (5.5 US gal) 🛡️ Safety Features Ratings Crash Test Results: Motorcycles of this era did not undergo standardized crash testing as cars do. Active Features Braking System: Dual disc front brakes, single disc rear brake (often with ABS as an option on later models or specific variants, though not standard on all R100R models from the 1987-1996 range). Suspension Stability: Stable chassis design contributing to predictable handling. Passive Features Lighting: Halogen headlamp, taillight, and turn signals for improved visibility. Frame Construction: Steel tubular frame offering structural integrity. 💡 Technology Features Infotainment Features: Basic instrumentation: speedometer, tachometer, odometer, fuel gauge, warning lights. No digital or advanced infotainment systems. Driver Assistance ABS: Anti-lock Braking System (ABS) was an optional extra on some later models within this range, but not standard across all R100R variants. Connectivity Features: None 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 10,000 km (3,000 - 6,000 miles) or annually, whichever comes first. Refer to manual for exact intervals. Valve Clearance Adjustment: Typically every 10,000 - 20,000 km (6,000 - 12,000 miles). Spark Plug Replacement: Check at major services, replace as needed, typically every 10,000-20,000 km. Fluid Specifications Engine Oil Type: API SG or higher, SAE 20W-50 or 20W-40 motorcycle oil. (Consult manual for specific BMW approval and viscosity guidance). Engine Oil Capacity: Approx. 2.5 liters (2.6 US quarts) with filter change. Brake Fluid Type: DOT 4 or DOT 5.1 (depending on specific system and ABS if fitted). Always use fresh, correctly specified fluid. Known Issues Common Wear Items: Clutch wear, starter motor brushes, ignition coil failure, carburetor synchronization drift,...