🏷️ Basic Information

Make:

BMW

Model:

R 1150 GS

Product Type:

Service and Repair Manual

Engine Code Range:

R21

Production Years Covered:

1999-2003

👋 Introduction

Vehicle Market Segment:

Premium adventure touring motorcycle.

Key Competitors:

Honda Africa Twin, Triumph Tiger, Yamaha Super Ténéré, KTM Adventure series.

Distinctive Technologies:

Telelever front suspension, Paralever rear suspension, Integral ABS II, Boxer-twin engine configuration, robust build for long-distance touring and off-road capability.

📋 Manual Details

Manual Coverage Scope:

Complete service, maintenance, troubleshooting, and repair for all systems of the BMW R 1150 GS.

Estimated Page Count:

400-600

Manual Classification:

Factory Authorized Service Manual / Workshop Manual

Primary Language:

English

Digital Format:

PDF (likely, common for service manuals)

📖 Manual Coverage

Engine System Details:

Internal engine components, cylinder head, valve train, pistons, crankshaft, lubrication system, cooling system, fuel injection system (Bosch Motronic), exhaust system.

Transmission System Details:

Clutch operation, gearbox components, shifting mechanisms, final drive (single-sided swingarm, driveshaft, differential).

Chassis Suspension Details:

Front Telelever suspension, rear Paralever suspension, shock absorbers, springs, fork seals, steering head bearings.

Braking System Details:

Integral ABS II system (front and rear brake activation), brake lines, calipers, master cylinders, brake fluid specifications, rotor specifications.

Electrical System Details:

Battery, alternator, starter motor, ignition system, lighting circuits, wiring diagrams, fuses, relays, diagnostic connectors (OBD-II compatible for certain functions).

Fuel System Details:

Fuel pump, fuel injectors, fuel pressure regulator, fuel tank, fuel lines, EVAP system.

Bodywork Fittings Details:

Fairings, seats, fuel tank installation, fenders, luggage rack systems, instrument cluster.

Maintenance Procedures:

Oil change intervals and procedures, filter replacement (oil, air), spark plug replacement, valve clearance adjustment, fluid checks and changes (brake, clutch, final drive).

Troubleshooting Procedures:

System diagnostic flowcharts, fault code interpretation, common problem diagnosis (e.g., starting issues, running problems, electrical faults).

Repair Procedures:

Complete engine tear-down and rebuild, transmission overhaul, suspension component replacement, ABS system bleeding and repair, electrical component repair/replacement.

Installation Procedures:

Component replacement and reinstallation guides, alignment procedures for suspension and wheels.

Diagnostic Capabilities:

Advanced diagnostic procedures, including readings from sensors and actuators via diagnostic tools.

Rebuild Scope:

Complete engine and transmission rebuild instructions, including specifications for all internal components.

Special Tool Requirements:

Identification and use of specialized BMW tools for specific procedures.

📊 Manual Specifications

Digital File Characteristics:

Searchable text, hyperlinked table of contents, high-resolution images and diagrams.

Image And Diagram Resolution:

High-resolution, clear, and detailed pictures and part diagrams.

Physical Manual Binding:

Spiral-bound or perfect-bound for lay-flat usability in a workshop environment (if physical).

Physical Manual Paper Quality:

Durable, gloss-coated paper to withstand workshop conditions.

⚙️ Engine Specifications

Engine Type:

Air/oil-cooled, four-stroke, boxer-twin engine.

Displacement:

1130 cc (1150 cc advertised)

Bore X Stroke:

101 mm x 70.5 mm

Horsepower:

85 HP @ 6750 rpm (approx.)

Torque:

98 Nm @ 5250 rpm (approx.)

Fuel Delivery:

Electronic fuel injection (Bosch Motronic MA 2.4)

Fuel Type:

Unleaded gasoline, minimum 91 octane (RON + MON)/2.

🔧 Transmission

Transmission Type:

6-speed manual transmission.

Optional Features:

Some models featured a 5-speed transmission (early production).

Clutch Type:

Single dry plate clutch, hydraulically actuated.

Final Drive Type:

Shaft drive to rear wheel via single-sided swingarm (Paralever).

📐 Dimensions

Length:

2230 mm (approx.)

Width Handlebar:

900 mm (approx.)

Height Seat:

840-860 mm (adjustable, approx.)

Dry Weight:

220 kg (approx.)

Gross Vehicle Weight Rating:

450 kg (approx.)

Fuel Tank Capacity:

20.5 liters (incl. 3L reserve)

🛡️ Safety Features

ABS System Type:

BMW Integral ABS II (optional on some models, standard on later ones).

Braking Performance Features:

Combined braking (lever activates front and rear), anti-lock braking system for enhanced control.

Lighting System:

Halogen headlight, LED taillight, auxiliary lighting options.

💡 Technology Features

Instrument Cluster Features:

Analog tachometer, digital speedometer, gear indicator, fuel level gauge, odometer, trip meters, warning lights.

ABS Functionality:

Integral ABS II provides anti-lock protection for both wheels, with a linked braking function controlled by the brake levers.

Diagnostic Interface:

BMW 16-pin diagnostic connector, enabling readouts of fault codes and sensor data using compatible diagnostic tools.

🔧 Maintenance

Oil Change Interval:

Every 10,000 km or annually, whichever comes first.

Valve Adjustment Interval:

Every 20,000 km or as per manual recommendations.

Final Drive Oil Change:

Every 20,000 km.

Engine Oil Specification:

SAE 15W-40 or 20W-50 API SG/SH or higher motorcycle-specific oil.

Brake Fluid Specification:

DOT 4.

Final Drive Oil Specification:

Hypoid gear oil SAE 80W-90 (API GL-5).

Common Wear Items:

Clutch slave cylinder leaks, alternator rotor failure (known issue on earlier models), fuel pump issues, ABS modulator failures, increased oil consumption with high mileage.

Electrical Gremlins:

Corrosion in connectors, intermittent dashboard lights, fuel gauge inaccuracies.

Suspension Maintenance:

Fork seal leaks, rear shock absorber wear affecting damping.

📚 Vehicle History

Bmw Motorcycle Legacy:

BMW has a long and storied history in motorcycle manufacturing, particularly known for its boxer-twin engines and robust, reliable touring motorcycles.

R1150Gs Predecessors:

The R 1150 GS is a successor to the highly successful R 1100 GS, inheriting and refining its core design principles and technologies.

R1150Gs Variants:

Included standard GS, GS Adventure (larger fuel tank, longer suspension travel, taller windscreen).

Manufacturing Location:

Berlin Spandau, Germany.

🏆 Awards & Recognition

Motorcycle Of The Year Awards:

While specific awards are not documented here, the R 1150 GS consistently received accolades for its versatility, comfort, and off-road prowess, solidifying its position as an iconic adventure touring machine.

Reliability Perception:

Generally considered a reliable machine for long-distance travel, with documented areas for proactive maintenance.