Segment:
Sport Touring / Performance Motorcycle
Target Audience:
BMW R 1100 S owners seeking to perform their own maintenance and repairs, independent workshops.
Competitors:
Honda VFR800, Yamaha FJR1300, Ducati ST series, Kawasaki GTR1400.
Engine Layout:
Air-cooled, four-stroke, boxer twin-cylinder engine.
Suspension System:
Innovative BMW Telelever front suspension and Paralever rear suspension for superior handling and ride comfort.
Braking System:
Optional BMW Integral ABS II for enhanced braking safety.
Design Philosophy:
Combines sporty performance with long-distance touring comfort, characteristic BMW engineering.
Benefit:
Empowers owners to maintain their R 1100 S to factory standards, reducing reliance on costly dealership services and enabling proactive problem-solving.
Engine:
Detailed inspection, disassembly, assembly, and adjustment of the boxer twin engine, including valve adjustment, timing, oil pump, and lubrication system.
Fuel System:
Bosch Motronic fuel injection system, fuel pump, injectors, throttle bodies, fuel pressure regulator, and EVAP system.
Ignition System:
Spark plugs, ignition coils, Motronic control unit, and timing adjustments.
Transmission:
Six-speed gearbox, clutch operation, gearbox disassembly, assembly, and lubrication.
Drivetrain:
Final drive, driveshaft, universal joint, and rear wheel hub assembly.
Suspension:
Front Telelever suspension, rear Paralever suspension, fork seals, shock absorber replacement, and spring preload adjustments.
Brakes:
BMW Integral ABS II system, brake fluid replacement, caliper overhaul, rotor inspection, pad replacement, and bleed procedures.
Electrical System:
Battery, charging system (alternator, regulator), starter motor, lighting, horn, and dashboard instrumentation.
Electronics:
Motronic engine management, ABS control unit, diagnostic port, and wiring diagrams.
Chassis And Frame:
Frame inspection, steering head bearings, and wheel bearings.
Bodywork:
Fairing removal and installation, seat, fuel tank, and body panel repairs.
Wheels And Tires:
Tire pressure, replacement, wheel balancing, and spoke tensioning.
Maintenance Procedures:
Oil and filter changes, air filter replacement, spark plug replacement, brake fluid flush, coolant flush, valve clearance checks, and general lubrication.
Repair Procedures:
Engine rebuilds, transmission overhaul, suspension component replacement, electrical system diagnostics, ABS bleeding, and bodywork repairs.
Troubleshooting Guides:
Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable).
Diagnostic Procedures:
Using diagnostic tools for Motronic and ABS systems, checking sensor data, and identifying system faults.
Specifications And Tolerances:
Detailed torque specifications, clearance measurements, fluid capacities, and wear limits for all components.
Depth:
Comprehensive, covering basic rider maintenance to full engine and transmission rebuilds.
Level Of Detail:
Factory-level detail with exploded views, detailed diagrams, and step-by-step instructions.
Engine Type:
Air-cooled, four-stroke boxer twin-cylinder engine with oil cooler
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.3:1
Valvetrain:
2 valves per cylinder, pushrod actuated with rocker arms
Horsepower:
90 hp (67 kW) at 7,500 rpm
Torque:
98 Nm (72 lb-ft) at 5,750 rpm
Fuel Delivery:
Bosch Motronic 2.4 electronic fuel injection with sequential multi-point injection
Fuel Type:
Unleaded gasoline (Octane rating 91 or higher)
Fuel Tank Capacity:
23 liters (5.0 Imp gal; 6.1 US gal)
Oil Type:
SAE 20W-50 or 10W-40 motorcycle-specific engine oil
Oil Capacity:
4.0 liters (with filter replacement)
Type:
Constant mesh 6-speed gearbox
Clutch:
Single dry plate, hydraulically operated
Gear Ratios:
Specific gear ratios detailed in manual (e.g., 1st: 3.46, 2nd: 2.44, 3rd: 1.84, 4th: 1.50, 5th: 1.27, 6th: 1.07)
Final Drive:
Shaft drive with single universal joint
Final Drive Ratio:
1:3.16 (35/11 teeth)
Transmission Oil Type:
SAE 75W-90 GL-5 gear oil
Transmission Oil Capacity:
0.25 liters
Dashboard:
Analog tachometer, digital speedometer, gear indicator, fuel gauge, clock, engine temperature warning light, oil pressure warning light, ABS warning light (if equipped).
ABS:
BMW Integral ABS II, providing enhanced braking stability and control.
Diagnostic Port:
Four-pin diagnostic connector for BMW diagnostic tools, enabling access to Motronic and ABS control units.
Oil Change:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Filter Change:
With every oil change.
Valve Clearance:
Every 20,000 km (12,000 miles).
Brake Fluid Change:
Every 2 years or as recommended by the manual.
Spark Plug Replacement:
Every 20,000 km (12,000 miles).
Engine Oil:
BMW Motorrad Advanced 20W-50, Castrol Power RS Racing 4T 10W-40, or equivalent API SG/JASO MA.
Transmission Oil:
SAE 75W-90 GL-5 gear oil (e.g., Castrol SAF-XJ).
Brake Fluid:
DOT 4 or DOT 5.1 for ABS models.
Coolant:
BMW Motorrad Coolant (ethylene glycol based, with corrosion inhibitors) or equivalent (typically 50/50 mix with distilled water).
Common Wear Items:
Clutch wear, brake pads, fork seals, driveshaft U-joint (maintenance critical), rear shock absorber (especially on high-mileage examples).
Electrical Quirks:
Occasional issues with starter solenoids, regulator/rectifier units, and dashboard warning lights.
Fuel System Considerations:
Injector clogging if fuel quality is poor; routine cleaning recommended.
Drivetrain Maintenance:
Regular inspection and greasing of the driveshaft U-joint is crucial to prevent premature wear and potential failure.
Engine Oil With Filter:
4.0 L
Coolant System:
Approx. 2.5 L (check manual for specific variant)