Category:
        
        
            Adventure Touring Motorcycle
        
     
    
        
            Segment Description:
        
        
            The R1150GS is a highly capable adventure touring motorcycle renowned for its ruggedness, versatility, and long-distance comfort, designed for both on-road and off-road exploration.
        
     
    
    
        
            Competitors:
        
        
            Honda Africa Twin, Suzuki V-Strom, Kawasaki KLR, Yamaha Super Ténéré (competitor models from the era)
        
     
    
    
        
            Distinctive Features:
        
        
            Shaft drive, Telelever front suspension, Paralever rear suspension, boxer engine configuration, robust build quality, extensive aftermarket support
        
     
 
    
    
    
        
            Engine:
        
        
            Engine teardown, assembly, tuning, troubleshooting, component identification
        
     
    
        
            Fuel System:
        
        
            Fuel injection system (BMW Motor-Technik Electronic Fuel Injection - BMS-K), fuel pump, injectors, throttle body
        
     
    
        
            Ignition System:
        
        
            Ignition coils, spark plugs, timing
        
     
    
        
            Transmission:
        
        
            Gearbox, clutch, final drive, shaft drive maintenance and repair
        
     
    
        
            Suspension:
        
        
            Front Telelever suspension, rear Paralever swingarm, shock absorbers, fork seals
        
     
    
        
            Brakes:
        
        
            Hydraulic brake system, ABS (Anti-lock Braking System), brake pads, discs, lines, calipers, master cylinders
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, ECU diagnostics
        
     
    
        
            Bodywork:
        
        
            Fairing removal and installation, seat, tank, fenders, luggage systems
        
     
    
        
            Wheels And Tires:
        
        
            Wheel bearing replacement, tire mounting and balancing
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, filter replacements, spark plug service, valve clearance adjustment, brake fluid flush
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common faults and issues
        
     
    
        
            Repair:
        
        
            Detailed step-by-step repair instructions for all major components
        
     
    
        
            Disassembly Assembly:
        
        
            Complete instructions for engine, gearbox, and suspension disassembly and reassembly
        
     
    
        
            Diagnostics:
        
        
            Wiring diagrams, fault codes, diagnostic tool usage (mentioning BMW specific tools if applicable)
        
     
    
        
            Electrical Diagnostics:
        
        
            Detailed troubleshooting guides for electrical faults, including starter system, charging system, lighting, fuel injection, and ignition systems, supported by wiring diagrams.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering from basic maintenance to full engine rebuilds and complex electrical diagnostics
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, horizontally opposed twin-cylinder (Boxer)
        
     
    
    
        
            Bore X Stroke:
        
        
            101 mm x 70.5 mm
        
     
    
    
        
            Valve Train:
        
        
            SOHC, 2 valves per cylinder
        
     
    
    
        
            Horsepower:
        
        
            85 hp (63 kW) @ 6750 rpm (approx.)
        
     
    
        
            Torque:
        
        
            70.8 lb-ft (96 Nm) @ 5250 rpm (approx.)
        
     
    
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (BMW Motor-Technik BMS-K)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 91 octane (RON+MON)/2
        
     
    
    
        
            Cooling Method:
        
        
            Air-cooled with oil cooling (oil cooler integrated)
        
     
 
    
    
    
        
            Instrumentation:
        
        
            Analog tachometer and speedometer, digital odometer, trip meters, clock, gear indicator, fuel level warning, oil pressure warning, engine fault indicator.
        
     
    
    
        
            ABS:
        
        
            Optional Integral ABS system with linked front and rear braking actuation.
        
     
    
    
        
            Diagnostic Port:
        
        
            BMW 10-pin diagnostic connector, requiring specific BMW diagnostic tools or adapters for advanced diagnostics.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 10,000 km or 12 months
        
     
    
        
            Valve Clearance Check:
        
        
            Every 20,000 km or 24 months
        
     
    
        
            Brake Fluid Change:
        
        
            Every 2 years
        
     
    
        
            Gearbox Oil Change:
        
        
            Every 20,000 km or 24 months
        
     
    
    
        
            Engine Oil:
        
        
            SAE 15W-50 API SG or higher (e.g., BMW Advantec Ultimate 15W-50)
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 4 liters (with filter change)
        
     
    
        
            Gearbox Oil:
        
        
            SAE 80W-90 API GL-5 (e.g., BMW Hypoid Gear Oil)
        
     
    
        
            Final Drive Oil:
        
        
            SAE 75W-140 API GL-5 (e.g., BMW Hypoid Gear Oil)
        
     
    
    
        
            Coolant Type:
        
        
            N/A (Air-cooled)
        
     
    
    
        
            Common Problems:
        
        
            Oil leaks (especially around the oil cooler and output shaft seal), embrittlement of fuel lines, potential for ABS modulator issues, occasional clutch slave cylinder leaks.