Target Audience:
BMW motorcycle owners, independent repair shops, and motorcycle enthusiasts seeking in-depth service information.
Competitor Manuals:
Offers dealership-level accuracy compared to generic aftermarket manuals.
Utility:
Empowers owners and technicians to perform accurate diagnostics, maintenance, and repairs, reducing reliance on authorized service centers.
Content Value:
Includes critical technical data often omitted in owner's manuals, such as detailed component torque values and diagnostic flowcharts.
Systems Covered:
Engine, Transmission, Drivetrain, Suspension, Brakes, Electrical System, Fuel System, Exhaust System, Chassis, Bodywork, Controls, Lubrication, Cooling, Maintenance, Troubleshooting, Specifications.
Procedures Included:
Routine maintenance, component inspection, disassembly and reassembly, troubleshooting diagnostics, electrical system testing, fuel system adjustments, suspension setup, brake servicing, engine tuning, overhaul procedures, and repair guidance.
Technical Depth:
Comprehensive factory-level technical data, including detailed diagrams, torque specifications, diagnostic procedures, and rebuild instructions.
Estimated Page Count:
500+
Type:
Factory Service Repair Manual
Engine Type:
Air-cooled, four-stroke, horizontally opposed boxer-twin engine
Engine Displacement:
800cc and 1000cc (specific to R 80 and R 100 models)
Bore X Stroke R80:
82.5 mm x 74.5 mm (typical)
Bore X Stroke R100:
94 mm x 70.6 mm (typical)
Horsepower R80:
Approx. 50-60 HP (varies by specific model variant)
Horsepower R100:
Approx. 60-70 HP (varies by specific model variant)
Torque R80:
Approx. 55-65 Nm (varies by specific model variant)
Torque R100:
Approx. 70-80 Nm (varies by specific model variant)
Fuel Delivery:
Carbureted (typically Bing carburetors) or Fuel Injection (later R100 models)
Carburetor Type R80:
Dual Bing 32mm or 40mm (model dependent)
Carburetor Type R100:
Dual Bing 40mm or Bosch Motronic fuel injection (model dependent)
Valve Train:
Overhead valve (OHV), pushrod actuated
Ignition System:
Electronic Ignition (CDI or Motronic)
Lubrication System:
Wet sump with oil cooler
Safety Features General:
Robust chassis design, effective braking systems, intuitive handling characteristics.
Braking System Front:
Dual disc brakes with multi-piston calipers (e.g., Brembo)
Braking System Rear:
Single disc brake with multi-piston caliper
Lighting System:
Halogen headlamp, integrated turn signals, LED taillight (later models)
Infotainment System:
Basic; typically features analog instrumentation (speedometer, tachometer), odometer, trip meter, and indicator lights.
ABS:
Optional ABS available on some later models.
Connectivity Features:
None (traditional motorcycle design)
Oil Change Interval:
Every 5,000-10,000 km (3,000-6,000 miles) or annually
Valve Clearance Adjustment:
Every 10,000-20,000 km (6,000-12,000 miles)
Spark Plug Replacement:
Every 10,000-20,000 km (6,000-12,000 miles)
Engine Oil Type:
SAE 20W-50 or SAE 10W-40 (API SG or higher, consult manual for exact BMW spec)
Engine Oil Capacity:
Approx. 2.5-3.0 liters (varies by model and filter)
Gearbox Oil Type:
SAE 80W-90 GL-5 hypoid gear oil
Final Drive Oil Type:
SAE 80W-90 GL-5 hypoid gear oil
Typical Wear Items:
Clutch wear, output shaft seal leaks, exhaust header leaks, starter motor solenoid issues, persistent carburetor tuning challenges (on carbureted models).
Electrical Gremlins:
Corrosion in connectors, failing voltage regulator, aging wiring loom can lead to intermittent electrical faults.
Engine Oil Consumption:
Some oil consumption is normal for these boxer engines; excessive consumption may indicate worn piston rings or valve stem seals.
Paralever Maintenance:
Regular inspection and lubrication of the Paralever driveshaft and universal joint are crucial.
Bmw Motorrad History:
BMW Motorrad boasts a long legacy of engineering excellence, known for its boxer engines, shaft drive, and durable motorcycles since the early 20th century.
Boxer Development:
The R 80 and R 100 series represent an evolution of BMW's iconic air-cooled boxer engine platform, refined over decades to incorporate modern features while retaining their distinctive character.
R Series Introduction:
The R 80 and R 100 models were introduced to offer increased performance and touring capabilities compared to earlier Boxer models.
Production Period:
These specific models (or their direct predecessors and successors with similar mechanicals) were produced for several decades, with the 1999-2008 timeframe covering updated versions and a transition period.
