Category:
Dual-sport / Adventure Motorcycle
Segment Focus:
Long-distance touring, off-road capability, robustness, rider comfort.
Key Competitors:
Honda Africa Twin (earlier models), Triumph Tiger, Yamaha Super Tenere, Ducati Multistrada.
Durability:
Renowned for its robust construction and reliability for extended touring and varied terrain.
Versatility:
Capable of handling highways, backroads, and moderate off-road conditions.
Powertrain:
Characterized by BMW's signature horizontally opposed twin-cylinder boxer engine.
Primary Coverage:
All mechanical and electrical systems, maintenance, diagnostics, repair, and overhaul procedures for the BMW R1150GS and R1150GS Adventure models.
Secondary Coverage:
Troubleshooting, specifications, diagrams, component identification, and torque values.
Estimated Page Count:
500-700+ (typical for comprehensive workshop manuals of this era)
Manual Type:
Workshop Manual / Service Manual / Repair Manual
Format:
Digital (likely PDF), Printable
Interactivity:
Hyperlinked table of contents and cross-references for easy navigation.
Engine And Drivetrain:
Engine disassembly/assembly, cylinder head, valve train, fuel injection, ignition system, exhaust system, clutch, gearbox, final drive (Paralever).
Chassis And Suspension:
Frame, front suspension (Telelever), rear suspension (Monolever/Paralever), steering, wheels, tires, brakes (ABS integration).
Electrical System:
Wiring diagrams, battery, charging system, lighting, starter motor, instruments, fuses, relays, diagnostics of electronic control units (ECUs).
Bodywork And Trim:
Fairings, fuel tank, seat, luggage systems (for Adventure model), body panels, fasteners.
Maintenance:
Oil changes, filter replacements, spark plug service, valve clearance adjustment, brake fluid flush, coolant replacement, lubrication schedules, battery care.
Diagnostics:
Troubleshooting common problems, identifying fault codes (if applicable via BMW diagnostic tools), electrical system fault finding, mechanical diagnostics.
Repair And Overhaul:
Engine rebuilds, transmission repair, suspension component replacement, brake caliper overhaul, fuel injector cleaning/replacement, ABS module service.
Diagnostics Equipment:
Details procedures for using BMW-specific diagnostic tools (e.g., MoDiTec) or general electronic troubleshooting for the ECUs and related sensors.
Depth:
Comprehensive, dealer-level, covering routine maintenance to complete engine and gearbox overhauls, including detailed diagnostic procedures and repair instructions.
Engine Type:
Four-stroke, horizontally opposed twin-cylinder (Boxer)
Displacement:
1130 cc (1130cc)
Bore X Stroke:
98 mm x 73.5 mm
Valve Train:
SOHC (Single Overhead Camshaft) per cylinder, 4 valves per cylinder
Cooling System:
Oil and Air Cooled
Engine Block Material:
Aluminum Alloy
Horsepower Max:
95 hp (70 kW) @ 7500 rpm
Torque Max:
70.8 lb-ft (96 Nm) @ 5750 rpm
Fuel Delivery:
Bosch Motronic MA 2.4 Fuel Injection
Fuel Type:
Unleaded gasoline, 91-98 octane (RON+MON)/2 (AKI)
Ignition Type:
Electronic, dual ignition with two spark plugs per cylinder
Transmission Type:
6-speed manual gearbox
Clutch:
Single dry plate, hydraulically actuated
Final Drive:
Shaft drive via BMW Paralever system
Gearbox Oil Type:
SAE 75W/90 API GL-5 Gear Oil (BMW recommends specific fluids, refer to manual for exact specs)
Final Drive Oil Type:
SAE 80W/90 API GL-5 Gear Oil (BMW recommends specific fluids, refer to manual for exact specs)
Length Approx:
2230 mm (87.8 in) for R1150GS, 2300 mm (90.6 in) for R1150GS Adventure
Width Approx:
900 mm (35.4 in) (without mirrors)
Height Approx:
1420 mm (55.9 in) for R1150GS, 1500 mm (59.1 in) for R1150GS Adventure
Dry Weight Approx:
231 kg (509 lbs) for R1150GS, 247 kg (545 lbs) for R1150GS Adventure
Wet Weight Approx:
256 kg (564 lbs) for R1150GS, 270 kg (595 lbs) for R1150GS Adventure
Gross Vehicle Weight Rating:
450 kg (992 lbs) for R1150GS, 470 kg (1036 lbs) for R1150GS Adventure
Fuel Tank Capacity:
20 liters (5.3 US gal) for R1150GS, 25 liters (6.6 US gal) for R1150GS Adventure
ABS System:
Optional BMW Motorrad Integral ABS (Type 2) with brake force modulator.
Braking System Front:
Dual 305 mm discs with 4-piston calipers (or 2-piston if ABS equipped without integral function).
Braking System Rear:
Single 276 mm disc with 2-piston caliper.
Lighting:
Halogen headlamp, LED taillight, auxiliary lighting often fitted to Adventure models.
Tires:
Tubeless spoke wheels common, designed for mixed-terrain use.
Infotainment System:
No integrated infotainment system as standard; designed for ruggedness. Often equipped with aftermarket GPS or audio systems.
Driver Assistance Features:
Optional Integral ABS (combined braking) and heated grips.
Connectivity Options:
N/A (No standard electronic connectivity features).
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Valve Adjustment Interval:
Every 20,000 km (12,000 miles) or as needed based on noise.
Spark Plug Replacement:
Every 20,000 km (12,000 miles) or every 40,000 km (24,000 miles) for iridium plugs.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Engine Oil Type:
SAE 20W/50 API SG or higher (e.g., BMW ADVANTEC HPC 20W-50 or equivalent synthetic motorcycle oil)
Engine Oil Capacity:
Approx. 4 liters (4.2 US quarts) with oil filter change.
Coolant Type:
Glycol-based antifreeze/coolant (e.g., BMW radiator cooling fluid or equivalent with corrosion inhibitors)
Brake Fluid Type:
DOT 4 brake fluid
Fork Oil Type:
SAE 7.5W or 10W suspension fluid (refer to manual for exact specifications per fork type/year)
Hall Sender Unit:
Failure can cause intermittent stalling or starting issues.
Clutch Slave Cylinder:
Can leak or fail, leading to clutch disengagement problems.
Fuel Pump Relay:
Can fail, preventing the fuel pump from operating.
Oil Head Engine Crankcase Seals:
Can seep oil, particularly at the cylinder base and front timing cover.
ABS Modulator:
Potential for failure, leading to loss of ABS functionality.
Manufacturer:
Bayerische Motoren Werke AG (BMW)
Motorcycle Division:
BMW Motorrad, established in 1923.
Development Focus:
Increased engine capacity, improved torque, refined suspension, and enhanced long-distance touring comfort over the R1100GS.
Production Years:
1999-2005
Manufacturing Location:
Berlin, Germany (Spandau plant)
Awards And Acclaim:
Widely praised for its all-round capability, comfort for long distances, and robustness in the adventure touring segment.
Reliability Perception:
Generally considered a reliable and durable machine, especially when properly maintained according to BMW's recommendations.
Certification Standards:
Built to meet European and US motorcycle manufacturing standards applicable during its production era.