Target Audience:
BMW K1100LT and K1100RS owners, independent motorcycle mechanics, enthusiasts undertaking their own maintenance and repairs
Value Proposition:
Provides essential, accurate, and detailed technical information that would otherwise require expensive factory service manuals or extensive experience.
Digital Convenience:
Instant access, searchable text, no physical storage required
Completeness:
Covers all major systems and procedures for both LT and RS variants
Engine Mechanical:
Engine disassembly, assembly, tuning, valve adjustment, camshafts, crankshafts, pistons, connecting rods
Fuel System:
Fuel injection system (Bosch Motronic), fuel pump, injectors, pressure regulator, throttle body
Ignition System:
Ignition coils, spark plugs, electronic ignition control
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan
Transmission:
Gearbox disassembly, assembly, clutch operation, shift mechanism
Drivetrain:
Shaft drive, final drive, universal joints
Brakes:
Front and rear brake systems, ABS (Anti-lock Braking System), brake fluid, caliper maintenance, disc replacement
Suspension:
Front forks (including adjustments), rear shock absorber, linkage systems
Steering:
Handlebar assembly, steering head bearings, steering lock
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, horn, fuses, relays
Bodywork:
Fairings, seat, fuel tank, luggage systems (LT), body panel removal and installation
Diagnostics:
Troubleshooting guides, error code interpretation (where applicable), diagnostic connectors
Routine Maintenance:
Oil changes, filter replacements, chain/driveshaft lubrication, brake fluid flush, coolant replacement, spark plug replacement
Component Repair:
Detailed step-by-step instructions for repairing or replacing all major components
Rebuilding Procedures:
Engine rebuild, gearbox overhaul, suspension fork rebuild
Electrical Troubleshooting:
Diagnosing and repairing electrical faults using wiring diagrams
Special Tools:
Identification and usage of BMW-specific tools for certain procedures
Depth Of Information:
Comprehensive, covering basic maintenance to complete engine and transmission rebuilds
File Format Details:
Searchable PDF, allows for easy navigation and keyword searching
Printability:
High-resolution, suitable for printing individual pages or sections
Digital Delivery:
Instant download via secure link
Digital Medium:
Accessible on computers, tablets, and smartphones
Engine Type:
Four-stroke, inline four-cylinder
Displacement:
1038 cc (1.038 Liters)
Bore X Stroke:
72.5 mm x 64.0 mm
Compression Ratio:
10.0:1
Valve Train:
DOHC (Double Overhead Camshaft), 4 valves per cylinder
Cooling Method:
Liquid-cooled
Fuel Delivery:
Bosch Motronic electronic fuel injection
Horsepower K1100Lt:
100 hp @ 7,500 rpm (approximate)
Horsepower K1100Rs:
100 hp @ 7,500 rpm (approximate)
Torque K1100Lt:
97 Nm (72 lb-ft) @ 5,500 rpm (approximate)
Torque K1100Rs:
97 Nm (72 lb-ft) @ 5,500 rpm (approximate)
Fuel Type:
Unleaded gasoline, minimum 95 octane (RON)
Instrumentation:
Analog tachometer, speedometer, fuel gauge, engine temperature gauge, clock, odometer, trip meter. Warning lights for oil pressure, battery, neutral, high beam, etc.
ABS:
Optional Bosch Integral ABS system, which combines braking control for both wheels.
Diagnostic Port:
BMW's diagnostic connector for electronic fault reading (requires proprietary tool or compatible scanner).
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually
Oil Filter Change:
Every oil change
Spark Plug Replacement:
Every 20,000 km (12,000 miles)
Valve Clearance Check:
Every 20,000 km (12,000 miles)
Driveshaft Lubrication:
Every 10,000 km (6,000 miles)
Engine Oil Type:
SAE 20W-50, API SG or higher (refer to manual for precise BMW recommendations)
Engine Oil Capacity:
Approx. 4.0 Liters (4.2 US qt) with filter change
Coolant Type:
BMW-approved ethylene glycol based coolant with corrosion inhibitors (typically a blue or green mixture)
Gearbox Oil Type:
SAE 80W-90 API GL-5 (refer to manual for precise BMW recommendations)
Final Drive Oil Type:
SAE 80W-90 API GL-5 (refer to manual for precise BMW recommendations)
Electrical Connectors:
Corrosion of electrical connectors, particularly those exposed to weather; ignition switch issues.
Fuel Pump:
Occasional fuel pump failures.
Clutch Slave Cylinder:
Leaking clutch slave cylinder seals.
ABS Sensors:
ABS sensor failure or wiring issues can lead to ABS warning lights.
Rear Shock ABSorber:
Degradation of the stock rear shock absorber over time, leading to a less controlled ride.
Manufacturer:
Bayerische Motoren Werke AG (BMW)
Development:
Evolution of the K-series platform, building on the K100, featuring a larger displacement engine and advanced electronics for its time.
K1100Lt Design:
Touring-oriented variant with a full fairing, comfortable ergonomics, and integrated luggage (standard on LT).
K1100Rs Design:
Sport-touring variant with a semi-fairing and a more aggressive riding posture.
Production Years:
1991-1998 (K1100LT), 1992-1997 (K1100RS)
