Segment:
Luxury Sport Touring Motorcycle
Target Audience:
Touring riders seeking comfort, performance, and technological advancements of the era
Competitors:
Honda Gold Wing, Kawasaki Voyager, Yamaha Venture
Engine Configuration:
Inline-four cylinder, longitudinal crankshaft orientation (BMW's signature 'K' series)
Touring Amenities:
Full fairing, integrated luggage system, comfortable seating for rider and passenger
Technology:
Bosch Motronic fuel injection, optional ABS II anti-lock braking system
Engine:
Complete engine overhaul, tuning, cooling system, lubrication system, fuel injection system (Bosch Motronic)
Transmission:
Gearbox, clutch, drive shaft, final drive maintenance and repair
Chassis:
Frame, suspension (front and rear), steering, wheel bearings, braking system (ABS II)
Electrical:
Wiring diagrams, ignition system, lighting, battery, starter motor, alternator, instrument cluster, ABS II system diagnostics
Bodywork:
Fairings, luggage system, seat, ergonomics, body panel removal and installation
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, brake pad replacement, spark plug replacement
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation (where applicable)
Repair:
Detailed step-by-step repair instructions for all major mechanical and electrical components
Technical Specifications:
Torque values, clearances, fluid types and capacities, electrical specifications, engine timing
Depth:
Comprehensive, covering routine maintenance to complete engine and component rebuilds. Includes diagnostic procedures.
Type:
Four-stroke, inline-four cylinder
Displacement:
1093 cc (1.1 Liters)
Bore X Stroke:
72 mm x 67.5 mm
Compression Ratio:
10.0:1
Valve Train:
DOHC, 4 valves per cylinder
Cooling System:
Liquid-cooled
Ignition System:
Electronic (Bosch Motronic)
Lubrication System:
Wet sump, forced lubrication
Horsepower:
100 hp (73.5 kW) @ 7500 rpm
Torque:
100 Nm (73.8 lb-ft) @ 6000 rpm
Fuel Delivery:
Bosch LE-Jetronic Fuel Injection
Fuel Type:
Unleaded gasoline, minimum 95 RON
Length:
Approx. 2300 mm (90.6 in)
Width:
Approx. 900 mm (35.4 in)
Height:
Approx. 1430 mm (56.3 in)
Wheelbase:
Approx. 1500 mm (59.1 in)
Dry Weight:
Approx. 230 kg (507 lbs)
Gross Vehicle Weight:
Approx. 470 kg (1036 lbs)
Luggage Capacity:
Integrated saddlebags and top case (capacity varies by accessory)
ABS:
Optional ABS II (Anti-lock Braking System)
Braking System Front:
Dual 320mm discs, 4-piston calipers (standard); Dual 320mm discs, 4-piston calipers with ABS II (optional)
Braking System Rear:
Single 280mm disc, 2-piston caliper (standard); Single 280mm disc, 2-piston caliper with ABS II (optional)
Lighting:
Halogen headlight, multi-reflector taillight and turn signals
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually
Major Service Interval:
Every 20,000 km (12,000 miles) - includes valve clearance check, spark plug replacement, fuel filter check.
Engine Oil:
SAE 20W-40 API SG or higher (BMW recommended viscosity may vary based on climate)
Engine Oil Capacity:
Approx. 4.0 liters (4.2 US quarts) with filter change
Coolant:
BMW recommended coolant (ethylene glycol based with corrosion inhibitors)
Transmission Oil:
SAE 80W-90 API GL-5 gear oil
Final Drive Oil:
SAE 80W-90 API GL-5 gear oil
Brake Fluid:
DOT 4 brake fluid
Electrical Connectors:
Corrosion and degradation of electrical connectors, particularly the starter relay and ground points.
Fuel Pump:
Potential for early fuel pump failure, requiring replacement.
ABS System:
ABS II sensors and control unit can be sensitive to age and voltage fluctuations.
Clutch Slave Cylinder:
Leaking clutch slave cylinder seals
Rear Shock ABSorber:
Wear and tear on the rear shock absorber over time, affecting ride quality.
Fuel Injector Seals:
Degradation of fuel injector O-rings leading to vacuum leaks or fuel seepage.
Manufacturer:
Bayerische Motoren Werke AG (BMW)
Motorcycle Division History:
BMW has a long-standing history in motorcycle production dating back to 1923.
K Series Introduction:
The K series, known for its inline-four engines and shaft drive, debuted in the early 1980s.
K 1100 Lt Development:
The K 1100 LT was an evolution of the K 100 and K 1100 series, focusing on enhanced touring capabilities and luxury.
Production Years:
1989-1991 (K 1100 LT)
Manufacturing Location:
Berlin-Spandau, Germany
Automotive Press Reviews:
Praised for its refined engine, comfortable ride, and touring capability upon release. Recognized as a benchmark in sport touring.
Performance And Handling:
Consistently rated highly for stability at speed and long-distance comfort.