Segment:
Premium Sport Touring Motorcycle
Target Audience:
Long-distance riders, touring enthusiasts, and performance-oriented riders seeking comfort and capability
Key Competitors:
Honda Gold Wing, Kawasaki Voyager, Yamaha Venture
Vehicle Highlights:
Four-cylinder boxer engine, shaft drive, comfortable ergonomics (especially LT), aerodynamic fairings, integrated luggage (LT)
Value Proposition:
Essential resource for maintaining and repairing these sophisticated machines, saving time and money on professional servicing
Models Covered:
All K1100LT and K1100RS models
Repair Scope:
Mechanical and Electrical, A-Z
Estimated Page Count:
Estimated 500-700 pages (based on typical workshop manuals of this era and scope)
Type:
Workshop Service Repair Manual
Format:
Printable Pages (likely PDF or similar digital format, presented as printable)
Engine:
Complete engine disassembly, assembly, tuning, diagnostics, fuel injection, ignition, exhaust
Transmission:
Gearbox removal, overhaul, clutch, final drive (shaft drive)
Chassis:
Frame, suspension (front forks, rear shock absorber), steering, wheels, tires
Brakes:
Front and rear brake systems (ABS if equipped), hydraulic lines, calipers, master cylinders
Electrical:
Wiring diagrams, battery, charging system, starter, lighting, instrumentation, fuel pump, ECU
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel lines
Cooling System:
Radiator, fan, coolant circulation, thermostat
Bodywork:
Fairing removal and installation, seat, luggage systems (LT specific), trim
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, brake fluid flush, valve clearance checks
Diagnostics:
Troubleshooting guides for common problems, error code interpretation (if applicable)
Repair:
Step-by-step repair instructions for all major components and systems
Overhaul:
Detailed procedures for engine, transmission, and other major component overhauls
Assembly Disassembly:
Comprehensive guides for taking apart and putting back together the motorcycle
Depth:
Comprehensive, covering everything from basic maintenance to complex internal repairs and electrical diagnostics
Visuals:
Abundant detailed pictures and diagrams
Type:
Liquid-cooled, four-stroke, inline four-cylinder, boxer
Displacement:
1093 cc (1093 cm³)
Bore X Stroke:
74.5 mm x 63.8 mm
Compression Ratio:
10.0:1
Horsepower:
Approx. 100 hp (74 kW) @ 7500 rpm (claimed)
Torque:
Approx. 101 Nm (74 lb-ft) @ 5500 rpm (claimed)
Induction:
Bosch Motronic fuel injection (MPI)
Fuel Type:
Unleaded gasoline, minimum 95 RON
Oil Capacity With Filter:
Approx. 4.5 liters (4.7 US quarts)
Oil Type Recommendation:
SAE 20W-40 or SAE 15W-40 API SG or higher (refer to manual for exact specification)
System:
Digital electronic ignition (Bosch Motronic)
Type:
Not applicable (all models were manual)
Clutch:
Dry, single-plate, diaphragm spring
Type:
API GL-5, SAE 90 hypoid gear oil for final drive; Refer to manual for gearbox oil
Length:
K1100LT: ~2270 mm (89.4 in), K1100RS: ~2210 mm (87.0 in)
Width:
K1100LT: ~920 mm (36.2 in), K1100RS: ~840 mm (33.1 in)
Height:
K1100LT: ~1400 mm (55.1 in), K1100RS: ~1200 mm (47.2 in)
Dry Weight:
K1100LT: ~275 kg (606 lbs), K1100RS: ~246 kg (542 lbs)
Gross Vehicle Weight Rating Gvwr:
Refer to vehicle placard (typically around 470-500 kg)
Fuel Capacity:
21 liters (5.5 US gallons)
Safety Certification:
CE, DOT (depending on market)
Braking System:
Optional BMW Integral ABS (Anti-lock Braking System)
Suspension Features:
Adjustable front forks, adjustable rear monoshock with progressive linkage
Lighting:
Halogen headlight, auxiliary lighting (LT)
Ergonomics:
Designed for rider comfort and stability during long-distance travel
Audio System:
Optional radio/cassette or CD player integrated into the fairing (LT models)
Instrumentation:
Analog tachometer, speedometer, fuel gauge, coolant temperature gauge, multi-function display for clock and trip meter.
ABS:
Optional integral ABS, a significant safety feature for its time.
Charging Port:
Optional 12V accessory socket for charging devices.
Oil And Filter Change:
Every 10,000 km (6,000 miles) or annually
Valve Clearance Check:
Every 20,000 km (12,000 miles)
Brake Fluid Change:
Every 2 years
Coolant:
Ethylene glycol-based coolant with corrosion inhibitors (BMW recommends specific types, check manual)
Brake Fluid:
DOT 4 hydraulic fluid
Fuel Pump:
Early models may experience occasional fuel pump failure.
Clutch Slave Cylinder:
Leaking clutch slave cylinder seals can occur.
Wiring Harness:
Degradation of wiring insulation due to age, particularly in high-heat areas.
ABS System:
ABS hydraulic unit can be prone to issues with age if not maintained.
Brand History:
BMW Motorrad, established in 1923, known for engineering excellence, durable motorcycles, and pioneering innovations like shaft drive and ABS.
K Series Heritage:
The K1100LT/RS is part of BMW's K-series, launched in the mid-1980s featuring sophisticated inline-four engines, initially mounted transversely and later longitudinally. The K1100 succeeded the K100 series, offering increased displacement and refined performance.
Production Years:
K1100LT: 1992-1999, K1100RS: 1993-1996
Manufacturing Location:
Berlin, Germany
