Segment:
Sport Touring Motorcycle
Competitors 2000:
Honda VFR800, Yamaha FJR1300, Kawasaki GTR1000
Engine Layout:
Air-cooled, four-stroke, flat-twin (Boxer)
Engine Technology:
Two spark plugs per cylinder, four valves per cylinder (DOHC)
Power Delivery:
Torquey and smooth, suitable for long-distance touring and spirited riding
Chassis Design:
Unique Telelever front suspension and Paralever single-sided swingarm rear
Braking System:
BMW Integral ABS II (optional but common)
Powertrain:
Engine, clutch, transmission, final drive
Chassis:
Frame, suspension (Telelever front, Paralever rear), steering, wheels, tires
Brakes:
ABS II, front and rear brake systems, hydraulic lines, calipers, rotors
Electrical System:
Ignition, charging system, lighting, starter, battery, wiring diagrams, ECU
Fuel System:
Fuel injection (Bosch Motronic), fuel pump, injectors, throttle body
Exhaust System:
Catalytic converter, mufflers, exhaust manifold
Bodywork:
Fairings, seat, fuel tank, fenders, body panels
Routine Maintenance:
Oil changes, filter replacements, spark plug service, chain adjustment, valve clearance checks
Diagnostic Troubleshooting:
Fault code interpretation, component testing, symptom-based diagnostics
Major Repairs:
Engine teardown and reassembly, transmission overhaul, suspension component replacement, brake system bleeding and overhaul
Electrical Diagnostics:
Wiring harness repair, sensor testing, actuator diagnostics, ECU flashing (where applicable)
Specifications Data:
Torque values, fluid capacities, clearances, electrical resistance values
Depth:
Comprehensive: Covers basic to advanced repair and overhaul procedures
Detail Level:
Step-by-step instructions with diagrams and illustrations
Diagnostic Tools:
Mentions required special tools and diagnostic equipment
Type:
Air-cooled, four-stroke, flat-twin (Boxer)
Displacement:
1085 cc (1.1 Liters)
Bore X Stroke:
99 mm x 70.5 mm
Compression Ratio:
10.3:1
Valve Train:
DOHC, 4 valves per cylinder
Ignition:
Electronic ignition (Bosch Motronic M2.2)
Horsepower:
90 HP @ 7250 RPM
Torque:
98 Nm (72 lb-ft) @ 5250 RPM
Induction:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, min. 95 octane (RON)
Oil Type:
SAE 20W-50 motorcycle specific (check manual for precise BMW spec)
Oil Capacity:
Approx. 4.0 liters (4.2 US quarts) with filter change
Type:
5-speed manual gearbox
Clutch:
Single dry plate, hydraulically operated
Final Drive:
Shaft drive via Paralever single-sided swingarm
Gear Ratios:
Specific ratios detailed in manual
Transmission Oil Type:
SAE 80W-90 API GL-5 (check manual for BMW spec)
Transmission Oil Capacity:
Approx. 0.25 liters (0.26 US quarts)
Length:
Approx. 2,180 mm (85.8 in)
Width:
Approx. 830 mm (32.7 in)
Height:
Approx. 1,230 mm (48.4 in)
Wheelbase:
Approx. 1,485 mm (58.5 in)
Dry Weight:
Approx. 220 kg (485 lbs)
Wet Weight:
Approx. 232 kg (511 lbs)
Payload Capacity:
Approx. 198 kg (437 lbs)
Fuel Tank Capacity:
25 liters (6.6 US gallons), including 4-liter reserve
Crash Test Standards:
Motorcycle safety standards compliance
ABS:
BMW Integral ABS II (optional, often fitted)
Braking System:
Dual disc front (320mm), single disc rear (276mm), with Brembo calipers
Lighting:
Halogen headlight, LED taillight
Chassis Stability:
Stable chassis geometry due to boxer engine layout and advanced suspension
Audio System:
Optional integrated stereo systems (model dependent), often requires specific aftermarket integration
ABS:
Integral ABS II (optional)
Diagnostic Port:
OBD-II style connector for diagnostic tools (specific BMW diagnostic protocols)
Dashboard:
Analog speedometer and tachometer, LCD multi-function display for fuel level, gear indicator, clock, temperature warnings.
Oil Change:
Every 10,000 km (6,000 miles) or annually, whichever comes first
Major Service:
Every 20,000 km (12,000 miles) for valve clearance, spark plugs, etc.
Gearbox Oil Change:
Every 20,000 km (12,000 miles)
Final Drive Oil Change:
Every 20,000 km (12,000 miles)
Engine Oil:
BMW Motorrad Recommended or equivalent SAE 20W-50 (API SG/SH/SJ)
Transmission Oil:
BMW Gear Oil or equivalent SAE 80W-90 API GL-5
Brake Fluid:
DOT 4 (High boiling point, glycol-based)
Coolant:
N/A (Air-cooled engine)
Common Wear Items:
Clutch wear, rear shock absorber aging, potential for fuel injector issues
Electrical Gremlins:
Intermittent issues due to aging wiring or component failures (e.g., Hall sensor, TPS)
ABS System:
ABS warning light illumination, potential ABS modulator failure (requires specific diagnostic procedures)
Fuel Pump:
Can be a weak point; replacement procedures detailed in manual
Throttle Body Sync:
Crucial for smooth running and engine performance; requires precise synchronization
Manufacturer:
Bayerische Motoren Werke AG (BMW)
Motorsport Legacy:
Extensive history in motorsport, influencing road-going models
Predecessor:
R1100RS, R850R
Introduction Year R Series:
1993 (R1100GS launched the new engine platform)
R1100S Positioning:
Sportier variant of the R1100 platform, blending touring capability with sporty handling
Production Years:
1998-2005
Manufacturing Location:
Berlin, Germany
Model Reputation:
Praised for its comfortable ride, robust engineering, and unique character in the sport-touring segment.
Performance Reviews:
Consistently rated well for its blend of performance, comfort, and BMW's renowned build quality.
