Segment:
Sport Touring Motorcycle
Target Audience:
BMW R 1100 S owners, independent mechanics, DIY enthusiasts
Key Competitors:
Honda VFR800, Yamaha FJR1300, Kawasaki GTR1400 (later models)
Model Strengths:
Torquey boxer-twin engine, advanced Telelever front suspension, shaft drive, comfortable ergonomics for sport touring
Engine:
Full engine disassembly, assembly, tuning, and diagnostics
Transmission:
Gearbox and clutch service, repair, and adjustments
Fuel System:
Fuel injection system (EFI), fuel pump, injectors, and fuel lines
Electrical System:
Ignition system, battery, alternator, starter, lighting, and wiring diagrams
Chassis:
Frame, suspension (front Telelever, rear Paralever), steering, and wheels
Brakes:
ABS II system (if equipped), brake calipers, master cylinders, lines, and pads
Bodywork:
Fairings, seat, fuel tank, and accessory installation
Maintenance:
Scheduled maintenance, oil changes, filter replacements, lubrication
Troubleshooting:
Diagnostic procedures for common and complex issues
Repair:
Step-by-step repair instructions for all major components
Rebuilds:
Complete engine, gearbox, and suspension rebuild procedures
Diagnostic Capabilities:
Detailed diagnostic flowcharts and specifications
Special Tools:
Listing and usage of specialized tools required for repairs
Engine Type:
Air-cooled, four-stroke, boxer-twin engine
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.7:1
Valvetrain:
SOHC, 4 valves per cylinder
Cooling System:
Air-cooled with oil cooling
Horsepower Est:
90 hp @ 7250 rpm
Torque Est:
100 Nm (74 lb-ft) @ 5500 rpm
Fuel Delivery:
Bosch Motronic MA 2.4 Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 91 octane
Fuel Capacity:
25 Liters (6.6 US gal)
Safety Features General:
ABS II (optional on some models/years), robust chassis, stable handling
ABS:
BMW Motorrad ABS II (Brake system with Anti-lock Braking System), available as an option.
Lighting:
Halogen headlight, integrated turn signals
Oil Change Interval:
Every 10,000 km or annually, whichever comes first (refer to manual for specifics)
Valve Adjustment Interval:
Every 20,000 km (typical for this engine, check manual)
Spark Plug Replacement:
Every 20,000 km (typical, refer to manual for specific plug type)
Engine Oil Type:
SAE 20W-50 motorcycle-specific API SG or higher (refer to manual for exact BMW approval)
Engine Oil Capacity:
Approx. 4.0 Liters (4.2 US qt) with filter change
Brake Fluid Type:
DOT 4 brake fluid
Transmission Oil Type:
SAE 75W-90 API GL-5 hypoid gear oil (BMW recommendation often for gearbox)
Final Drive Oil Type:
SAE 80W-90 API GL-5 hypoid gear oil (BMW recommendation)
Common Wear Items:
Clutch wear, alternator brushes, fuel pump relay failure, front brake line degradation (ABS models)
Specific Concerns:
Telelever pivot head bearing wear, paralever seal leaks
Brand Focus:
BMW Motorrad, known for engineering excellence, durability, and innovative technology in motorcycles.
Predecessor:
R 1100 RS (shared engine platform, different chassis and purpose)
Successor:
R 1150 RS, R 1200 ST
Production Years:
1998-2005
Manufacturing Location:
Berlin, Germany (BMW Motorrad plant)
