🏷️ Basic Information

Make:

BMW

Model:

R 1150 GS

Production Years:

1999-2005

Engine Code Family:

M247

👋 Introduction

Market Position:

Iconic adventure-touring motorcycle, renowned for its durability, versatility, and off-road capability. Positioned as a premium, long-distance touring machine with go-anywhere credentials.

Competitors:

Honda Africa Twin (early models), Triumph Tiger, Moto Guzzi V11, Suzuki V-Strom (later models).

Key Features:

Boxer-twin engine, Telelever front suspension, Paralever rear suspension, robust chassis, extensive accessory options, ABS availability, long-distance comfort.

📋 Manual Details

Systems Covered:

Engine, Fuel System, Ignition, Clutch, Transmission, Final Drive, Suspension, Brakes (ABS/Integral), Electrical System, Bodywork, Chassis, Diagnostics, Troubleshooting

Page Count:

Approx. 350-400 pages (Varies by specific edition)

Manual Type:

Workshop Repair Manual / Service Manual

Language:

English

Format:

Digital (PDF) / Printed Book

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly and reassembly procedures for the boxer twin engine, including cylinder heads, valves, pistons, connecting rods, crankshaft, oil pump, and timing chain.

Fuel System:

Bosch Motronic MA 2.4 fuel injection system, throttle body, injectors, fuel pump, fuel pressure regulator, fuel filter replacement, and diagnostic procedures.

Ignition System:

Ignition coil diagnosis, spark plug specifications, timing adjustment (if applicable), and troubleshooting electronic ignition components.

Clutch:

Single dry plate clutch operation, adjustment, replacement of clutch plates and springs, and troubleshooting clutch slip or drag.

Transmission:

Six-speed gearbox, shift mechanism, gearbox oil change and level check, common gearbox issues, and detailed disassembly/reassembly of transmission internals.

Final Drive:

Paralever shaft drive system, rear drive unit oil change and level check, U-joint inspection, and troubleshooting rear drive noise or binding.

Suspension:

Front Telelever and rear Monolever suspension systems, fork oil change, fork seal replacement, shock absorber adjustment and replacement, swingarm bearing inspection.

Brakes:

BMW Integral ABS (often II), brake fluid flush and bleed, brake pad replacement, caliper servicing, rotor inspection, and ABS system diagnostics.

Electrical System:

Wiring diagrams, battery maintenance, charging system (alternator, regulator), starter motor, lighting, fuses, relays, and common electrical fault finding.

Bodywork And Chassis:

Fairing removal and installation, seat servicing, fuel tank removal/installation, frame inspection, and general body panel repair.

Routine Maintenance:

Oil and filter changes, spark plug replacement, air filter cleaning/replacement, valve clearance adjustment, brake fluid service, final drive oil service.

Troubleshooting:

Systematic diagnostic guides for common performance issues, starting problems, electrical faults, and component failures.

Repair And Rebuild:

Complete instructions for engine overhauls, gearbox repairs, suspension rebuilds, and ABS system component replacement.

Diagnostics:

OBD-II port functionality (if equipped for diagnostic codes), fault code interpretation, and recommended diagnostic tools.

Technical Depth:

Comprehensive; covers everything from basic owner maintenance to full engine and gearbox rebuilds, including torque specifications and special tool requirements.

📊 Manual Specifications

File Format:

PDF (Searchable text, printable pages, hyperlinked table of contents)

Print Quality:

High-resolution scans of original factory manuals with clear diagrams and text.

Binding Type:

N/A (for digital) / Professional binding for printed versions

Paper Type:

N/A (for digital) / Durable, high-quality paper suitable for workshop environments

⚙️ Engine Specifications

Engine Type:

Air/oil-cooled, four-stroke, horizontally opposed boxer twin

Displacement:

1130 cc (1130 cm³)

Bore X Stroke:

99 mm x 73.5 mm

Compression Ratio:

10.7:1

Valve Train:

Overhead camshaft (OHC), 4 valves per cylinder, pushrod actuation

Horsepower:

90 hp (67 kW) @ 7250 rpm (approx.)

Torque:

98 Nm (72 lb-ft) @ 5500 rpm (approx.)

Fuel Delivery:

Electronic fuel injection (Bosch Motronic MA 2.4)

Fuel Type:

Unleaded gasoline, minimum 95 octane (RON)

Oil Capacity:

Approx. 3.0 liters (with filter change)

Oil Type:

SAE 20W-50 or 15W-50 motorcycle specific (API SG or higher)

🔧 Transmission

Type:

Constant mesh 6-speed manual gearbox

Final Drive:

Shaft drive via Paralever system

Clutch Type:

Single dry plate, hydraulically operated

Transmission Oil Type:

SAE 75W-90 GL-5 gear oil

Transmission Oil Capacity:

Approx. 1.0 liter

📐 Dimensions

Length:

Approx. 2230 mm

Width:

Approx. 930 mm (including mirrors)

Height:

Approx. 1400 mm (seat height adjustable)

Dry Weight:

Approx. 232 kg

Wet Weight:

Approx. 250 kg (fully fueled, with fluids)

Gross Vehicle Weight Rating:

Approx. 470 kg

Fuel Tank Capacity:

26 liters (including 4-liter reserve)

Wheelbase:

Approx. 1508 mm

🛡️ Safety Features

Safety Features:

BMW Integral ABS (optional, often ABS II), combined braking system, sturdy frame construction.

Active Safety:

ABS II (anti-lock braking system on both wheels, can be deactivated), linked braking (front lever actuates front and rear brakes, rear pedal actuates rear brake only when ABS is active).

Passive Safety:

Protective fairing, crash bars (often standard or optional), robust build quality.

💡 Technology Features

Infotainment System:

Basic; typically analog gauges with an LCD for odometer, trip meter, and clock. Optional radio/stereo systems available on some models.

Assistance Systems:

Integral ABS (optional), self-leveling rear suspension (optional on some variants).

Connectivity Features:

Limited; primarily focused on motorcycle functionality. No modern smartphone integration or Bluetooth as standard.

🔧 Maintenance

Oil Change Interval:

Every 10,000 km or annually

Valve Adjustment Interval:

Every 20,000 km

Spark Plug Replacement Interval:

Every 20,000 km (or as specified)

Final Drive Oil Change:

Every 20,000 km or every two years

Brake Fluid:

DOT 4 (for ABS and non-ABS systems)

Coolant:

N/A (oil-cooled engine with oil cooler)

Common Problems:

Stretched rear wheel spokes, potential for oil leaks from various seals (e.g., output shaft seal), wear on the clutch slave cylinder O-ring, potential for alternator rotor failure (less common than earlier models), Telelever pivot bearing wear.

📚 Vehicle History

Bmw Motorcycles:

BMW Motorrad has a long history of producing durable and innovative motorcycles, particularly known for their boxer engines and focus on touring and adventure segments since the post-WWII era.

R Series Gs:

The R 1150 GS evolved from the highly successful R 1100 GS, incorporating a larger engine and refinements. It represents a peak in the development of the air/oil-cooled boxer GS models before the introduction of the liquid-cooled DOHC engines.

Manufacturing Location:

Berlin, Germany

🏆 Awards & Recognition

Awards And Recognition:

Widely recognized as a benchmark for adventure touring motorcycles of its era. Praised for its durability, comfort on long journeys, and capability on varied terrain. Often cited in 'best adventure bike' lists for its generation.