Model:
R 1100 GS, R 1100 R, R 1100 RS, R 1100 RT
Model Variants:
GS (Adventure), R (Roadster), RS (Sport-Touring), RT (Touring)
Production Years Covered:
2000, 2001, 2002
Engine Code:
R1100 Series Boxer Twin (e.g., R259 engine family)
Positioning:
The R 1100 series represented BMW's premium large-displacement motorcycle offering in the early 2000s, catering to touring, sport-touring, and adventure riders seeking comfort, performance, and robust engineering.
Competitors:
Competed with models from Honda (e.g., ST1100, VFR800), Yamaha (e.g., FJ1200, GTS1000), Kawasaki (e.g., GTR1000), and Ducati (e.g., ST2/ST4).
Engine Layout:
Air/oil-cooled, four-stroke, two-cylinder boxer engine with four valves per cylinder.
Suspension Design:
Innovative Telelever front suspension and Paralever rear drive system for enhanced handling and ride quality.
Braking System:
Optional Integral Anti-lock Braking System (ABS) available, offering advanced safety.
Coverage:
Comprehensive service and repair for R 1100 GS, R 1100 R, R 1100 RS, and R 1100 RT models.
Pages:
Approximately 700+ pages (typical for comprehensive factory manuals)
Type:
Factory Service Repair Manual
Language:
English (likely, standard for factory manuals targeting major markets)
Format:
Digital (PDF, commonly sold for online distribution)
Engine:
Engine mechanical, fuel injection (EFI), ignition system, lubrication, cooling system (oil-cooled).
Transmission Drivetrain:
Gearbox (5-speed), clutch, final drive (shaft drive), universal joints, hub bearing.
Chassis Suspension:
Frame, front suspension (Telelever), rear suspension (Paralever), wheel bearings, steering assembly.
Brakes:
Front and rear brake systems (including Integral ABS variants), hydraulic lines, calipers, master cylinders, brake fluid specifications.
Electrical:
Battery, charging system (alternator, regulator/rectifier), starter motor, lighting system (headlight, taillight, turn signals), instrumentation, wiring diagrams, ECU, sensors.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, throttle body, air filter assembly.
Bodywork Trim:
Fairings, body panels, seat assembly, luggage systems (case mounts for RS/RT), windshield adjustment (RS/RT).
Maintenance:
Regular scheduled maintenance tasks, oil changes, filter replacements, spark plug service, valve clearance adjustment, brake fluid flushing.
Troubleshooting:
Diagnostic procedures for common issues, fault codes (if applicable to the era's diagnostics), step-by-step fault finding.
Repair Overhaul:
Detailed instructions for component disassembly, repair, and reassembly (e.g., engine rebuild, transmission overhaul, suspension component replacement).
Technical Data Specifications:
Torque specifications, clearances, fluid capacities, electrical resistance values, diagnostic parameters.
Wiring Diagrams:
Detailed schematics for all electrical systems, color-coded for clarity.
Depth:
Factory-level, covering everything from basic fluid changes to complete engine and transmission rebuilds, electrical system diagnostics, and chassis component overhauls.
Engine Type:
Four-stroke Boxer Twin
Displacement:
1085 cc (1.085 Liters)
Bore X Stroke:
99.0 mm x 70.5 mm
Compression Ratio:
10.0:1
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Air/Oil-cooled
Horsepower:
Approx. 90 hp (66 kW) at 7,250 rpm
Torque:
Approx. 98 Nm (72 lb-ft) at 5,750 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with Bosch Motronic MA 2.4 or similar system
Fuel Type:
Unleaded premium gasoline (91+ octane)
Fuel Tank Capacity:
Approx. 21 Liters (5.5 US gallons)
Length:
Varies by model (GS is longer/taller)
Width:
Varies by model (GS is wider with crash bars)
Height:
Varies by model (GS is taller)
Wheelbase:
Approx. 1,470 mm - 1,495 mm (147.0 cm - 149.5 cm)
Dry Weight:
Approx. 220 kg - 240 kg (485 lbs - 529 lbs) depending on model and equipment
Gross Vehicle Weight Rating:
Approx. 440 kg - 460 kg (970 lbs - 1014 lbs)
ABS Availability:
Optional Integral ABS system available on most models
Braking Performance:
Dual front discs with multi-piston calipers, single rear disc. ABS enhances stopping stability.
Frame Construction:
Robust tubular steel frame providing structural integrity.
Lighting:
Halogen headlight, LED taillight (some models), illuminated switchgear.
Instrumentation:
Analog tachometer and speedometer, digital odometer and trip meter, fuel level indicator, gear indicator (on some models), warning lights. RT models often featured a more advanced dashboard with extra instrumentation.
ABS:
Optional Integral ABS system, which combines front and rear brake activation with a single lever pull.
Diagnostic Port:
Early diagnostic port for connection to BMW's diagnostic tools (e.g., GT1), allowing for engine management checks and fault code reading.
Heated Grips:
Standard or optional on most models, providing comfort for long-distance riding in cooler conditions.
Adjustable Windscreen:
Standard on RS and RT models, allowing for rider customization of wind protection.
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Valve Clearance Check:
Every 20,000 km (12,000 miles).
Spark Plug Replacement:
Every 20,000 km (12,000 miles).
Engine Oil:
SAE 15W-40 or 20W-50 API SG/SH/SJ, or BMW Motorrad recommended oil. Capacity approx. 4.0 Liters with filter.
Brake Fluid:
DOT 4 synthetic brake fluid.
Final Drive Oil:
SAE 90 API GL-5 hypoid gear oil. Capacity approx. 0.22 Liters.
Fuel Pump Reliability:
Some early models experienced fuel pump failures; replacements are robust.
ABS Modulator:
ABS modulators can sometimes develop issues, particularly with age and corrosion. Serviceable but requires specialized knowledge.
Electrical Connectors:
Corrosion on connectors, especially in humid environments, can lead to intermittent electrical faults.
Clutch Slave Cylinder:
Leaking clutch slave cylinders are a known potential issue that requires replacement of seals or the entire unit.
Paralever Pivot Bearings:
Wear in Paralever pivot bearings can lead to knocking noises and handling issues; requires periodic inspection and lubrication.
Heritage:
BMW Motorrad has a long history of producing durable, technologically advanced, and often unique motorcycles, particularly known for their boxer engines and shaft drive.
Predecessors:
Evolved from the R 100 GS and R 100 RT series, offering increased displacement, power, and advanced features.
Successors:
The R 1150 series followed, and later the R 1200 series, continuing the boxer tradition with further advancements.
Manufacturing Location:
Berlin, Germany (BMW Motorrad's primary manufacturing facility)
