Positioning:
Premium sport-touring motorcycle, known for comfort, performance, and engineering quality.
Competitors:
Honda ST1100 Pan-European, Kawasaki GTR1000 Concours, Yamaha FJ1200.
Features:
Inline four-cylinder engine, shaft drive, sophisticated fairing (LT model), ABS, comfortable ergonomics.
Value:
Empowers owners to maintain and repair their K1100 series motorcycles, ensuring longevity and optimal performance, saving on labor costs.
Engine:
Complete overhaul, diagnostics, tuning, fuel injection, ignition, cooling system, lubrication system
Transmission:
Gearbox, clutch, final drive, lubrication, diagnostics, repair
Chassis:
Frame, suspension (front and rear forks, shock absorbers), steering system, wheel bearings
Brakes:
Brake system (front and rear), ABS (Anti-lock Braking System) diagnostics and repair, brake fluid replacement, caliper and master cylinder overhaul
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting system, instrument cluster, ECU (Engine Control Unit) diagnostics, starter lockout, fairing electrics
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel filter replacement
Exhaust System:
Exhaust manifold, mufflers, lambda sensor (if applicable)
Bodywork And Fairings:
Fairing removal and installation, seat, tank, luggage systems (LT model), body panel repair and replacement
Maintenance:
Oil and filter changes, spark plug replacement, air filter cleaning/replacement, brake pad inspection and replacement, clutch adjustment, tire pressure checks, battery maintenance, valve clearance adjustment
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults, error code interpretation (if applicable)
Repair:
Detailed step-by-step instructions for component disassembly, repair, reassembly, and adjustment
Rebuilds:
Engine and transmission overhaul procedures, including torque specifications and clearances
Diagnostics:
Electrical system diagnostics, fuel system diagnostics, ignition system diagnostics
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts
Diagnostic Tools:
Information on required specialized tools and diagnostic equipment
Format:
Portable Document Format (PDF)
Searchability:
Text-searchable for quick information retrieval
Quality:
High-resolution, suitable for printing
Type:
Not Applicable (Digital Download)
Type:
Not Applicable (Digital Download)
Type:
Liquid-cooled, four-stroke, inline four-cylinder
Bore X Stroke:
71 mm x 66 mm
Compression Ratio:
10.3:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower:
95 hp @ 7500 rpm (approx.)
Torque:
100 Nm @ 5500 rpm (approx.)
Injection:
Bosch Motronic MA 2.1 (or similar) electronic fuel injection
Fuel Type:
Unleaded gasoline, minimum 95 RON
System:
Electronic ignition with knock control
Length:
K1100LT: ~2270 mm (90 in); K1100RS: ~2200 mm (87 in) (approx.)
Width:
K1100LT: ~900 mm (35 in) (incl. cases); K1100RS: ~750 mm (30 in) (approx.)
Height:
K1100LT: ~1430 mm (56 in) (windscreen top); K1100RS: ~1250 mm (49 in) (approx.)
Wheelbase:
K1100LT: ~1560 mm (61.4 in); K1100RS: ~1505 mm (59.25 in) (approx.)
Dry Weight:
K1100LT: ~270 kg (595 lbs); K1100RS: ~240 kg (529 lbs) (approx.)
Gross Vehicle Weight Rating:
Not specified, consult owner's manual for load limits
Luggage Capacity:
K1100LT: Integrated panniers and top case provision
Crash Test:
Not applicable (motorcycle)
ABS:
BMW Integral ABS (standard on most models, optional on some)
Brakes:
Disc brakes front and rear, 4-piston calipers (front), 2-piston calipers (rear)
Lighting:
Halogen headlight, LED taillight (typical)
Chassis Construction:
Sturdy steel frame
Wind Protection:
Comprehensive fairing with adjustable windscreen (LT model)
Oil Change:
Every 10,000 km (6,000 miles) or annually, whichever comes first.
Oil Filter Change:
With every oil change.
Spark Plugs:
Every 20,000 km (12,000 miles) or every two years.
Air Filter:
Inspect every 10,000 km (6,000 miles), clean/replace as needed.
Valve Clearance:
Every 20,000 km (12,000 miles).
Brake Fluid:
Replace every 2 years, regardless of mileage.
Engine Oil:
SAE 15W-50 synthetic or semi-synthetic motorcycle oil, API SG or higher, JASO MA rated.
Engine Oil Capacity:
3.5 liters (3.7 US qt) with filter change.
Transmission Oil:
SAE 75W-90 GL-5 gear oil.
Transmission Oil Capacity:
0.4 liters (0.42 US qt).
Coolant:
BMW coolant concentrate (blue) or equivalent ethylene glycol based coolant with corrosion inhibitors, mixed 50/50 with distilled water.
Brake Fluid:
DOT 4 or DOT 5.1 brake fluid.
Fuel Pump:
Early models may experience fuel pump failure; diagnostic procedures are in the manual.
Wiring Harness:
Potential for wear or damage in the wiring harness, particularly around the steering head; manual provides wiring diagrams for troubleshooting.
Regulator Rectifier:
Can be a failure point; symptoms and testing procedures detailed.
Clutch Slave Cylinder:
Can develop leaks; repair and replacement steps are covered.
ABS Unit:
Potential for ABS hydraulic unit failure; diagnostic routines are essential.
Heritage:
BMW Motorrad, established in 1923, renowned for engineering, durability, and innovation in motorcycles.
Predecessors:
K75, K100 series (BMW's first four-valve per cylinder engines).
Development:
The K1100 series built upon the K100 platform, featuring an increased engine displacement and revised aerodynamics for improved performance and comfort.
Production Years:
K1100LT: 1992-1999; K1100RS: 1992-1996.
Manufacturing Location:
Berlin, Germany
