Positioning:
The R 1150 GS is a legendary adventure touring motorcycle, known for its robustness, long-distance comfort, and off-road capability. It defined a segment and remains highly sought after by enthusiasts.
Competitors:
Competed against other large-displacement adventure bikes of its era, such as the Honda Africa Twin, Triumph Tiger, and Moto Guzzi Norge.
Features:
Characterized by its boxer-twin engine, shaft drive, Telelever front suspension, Paralever rear suspension, and robust build for traversing diverse terrains.
Engine:
Detailed overhaul, inspection, tuning, and troubleshooting of the 1130cc, air/oil-cooled, boxer-twin engine.
Fuel System:
Bosch Motronic MA 2.4 fuel injection system, throttle bodies, injectors, fuel pump, pressure regulator.
Ignition System:
Motronic ignition control, spark plugs, coils, sensors (crankshaft position, camshaft position, etc.).
Transmission:
Six-speed gearbox, clutch operation, input/output shafts, gear selection mechanism.
Drivetrain:
Single-plate dry clutch, driveshaft, universal joints, final drive (Bevel Gear Housing).
Suspension Front:
Telelever front suspension system, forks, springs, damping, adjustments.
Brakes:
Integral ABS II braking system, brake fluid flush, caliper overhaul, master cylinders, ABS unit troubleshooting.
Electrical System:
Battery, charging system (alternator, regulator), starter motor, lighting, instrumentation, wiring diagrams.
Bodywork:
Fairing removal and installation, fuel tank, seat, body panels, luggage systems.
Suspension Rear:
Paralever rear suspension system, shock absorber (Öhlins on some models), linkage, adjustments.
Maintenance Routine:
Scheduled maintenance (oil changes, filter replacements, valve adjustments, spark plug replacement, brake checks, drive shaft lubrication).
Engine Overhaul:
Complete engine disassembly, inspection, measurement, and reassembly.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault codes, electrical system diagnostics.
Component Repair:
Detailed instructions for repairing or replacing individual components like cylinders, pistons, transmission gears, suspension units.
Wheel Tire:
Wheel bearing replacement, tire mounting and balancing, spoke tensioning.
Depth:
Comprehensive, from basic rider maintenance to complete engine and transmission rebuilds, including detailed torque specifications and alignment procedures.
Engine Type:
Four-stroke, horizontally opposed boxer-twin
Displacement:
1130 cc (1130 cubic centimeters)
Bore X Stroke:
101 mm x 70.5 mm
Cooling System:
Air/Oil-cooled with oil cooler
Horsepower:
Approximately 85 hp (63 kW) at 6750 rpm
Torque:
Approximately 98 Nm (72 lb-ft) at 5250 rpm
Fuel Delivery:
Bosch Motronic MA 2.4 Electronic Fuel Injection
Fuel Type:
Unleaded gasoline, minimum 95 octane (RON)
Oil Type:
SAE 20W-40 or 20W-50 API SG or SH motorcycle oil (check manual for precise specification)
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually, whichever comes first. Engine oil and filter change. (Refer to manual for exact interval and conditions).
Valve Adjustment Interval:
Every 20,000 km (12,000 miles). (Refer to manual for exact interval and conditions).
Spark Plug Replacement:
Every 20,000 km (12,000 miles). (Refer to manual for exact interval and conditions).
Brake Fluid Type:
DOT 4 (refer to manual for specific BMW recommendation)
Coolant Type:
Not applicable (air/oil-cooled engine).
Final Drive Oil Capacity:
Approx. 180 ml (0.19 US qt).
Common Issues:
Possible alternator failure, clutch slave cylinder leaks, paralever seal leaks, occasional ABS sensor issues. Comprehensive manual will detail diagnostics for these.
