Sub Model:
K1100LT, K1100RS
Model Years Covered:
1993, 1994, 1995, 1996, 1997, 1998, 1999
Chassis Code:
K1100LT (K1), K1100RS (K1)
Segment:
Sport Touring Motorcycle
Target Audience:
Owners and technicians seeking to maintain, repair, or restore the BMW K1100 series motorcycles.
Competitors:
Honda ST1100, Yamaha FJ1200, Kawasaki GTR1000
Distinctive Features Of Vehicle:
Inline four-cylinder engine with transverse mounting, shaft final drive, aerodynamic fairing (LT model), comfortable touring ergonomics.
Primary Coverage:
Repair, Service, Maintenance, Troubleshooting, Diagnostics
Component Coverage:
Engine, Transmission, Fuel System, Electrical System, Chassis, Suspension, Brakes, Bodywork, Cooling System, Exhaust System, Lubrication System
Estimated Page Count:
Approx. 500-700 pages (typical for comprehensive manuals of this era)
Type:
Service Manual / Repair Manual
Engine Management:
Detailed coverage of Bosch Motronic fuel injection and ignition systems, sensors, actuators, ECU diagnostics, and calibration.
Drivetrain:
Complete information on the 5-speed gearbox, clutch operation, final drive (shaft drive), and related maintenance.
Electrical System:
Comprehensive wiring diagrams, component testing, troubleshooting of lighting, ignition, starting, charging, and instrument cluster systems.
Suspension And Steering:
In-depth procedures for front fork (Telescopic, BMW Duolever on some variants or conventional telescopic) overhaul, rear shock absorber adjustment and replacement, steering head bearing service.
Braking System:
Detailed instructions for ABS (Anti-lock Braking System) service, brake fluid flushing, caliper overhauls, disc replacement, and pad changes.
Fuel System:
Coverage of fuel pump, fuel filter replacement, injector cleaning, and fuel tank maintenance.
Routine Maintenance:
Oil and filter changes, spark plug replacement, air filter servicing, valve clearance adjustment, brake pad inspection, tire pressure checks.
Troubleshooting:
Systematic diagnostic guides for common electrical and mechanical issues, including no-start conditions, rough running, and braking system faults.
Major Repairs:
Engine top-end rebuild, gearbox disassembly and reassembly, suspension component replacement, ABS unit diagnosis and repair.
Technical Specifications:
Torque values, clearances, fluid capacities, electrical resistance values, and diagnostic trouble codes (DTCs).
Depth:
Comprehensive, covering everything from basic owner maintenance to complete engine and transmission overhauls. Suitable for DIY enthusiasts and professional mechanics.
Engine Type:
Inline-four cylinder, four-stroke
Bore X Stroke:
77.8 mm x 57.0 mm
Compression Ratio:
10.0:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower:
100 hp @ 7500 rpm (approx.)
Torque:
109 Nm (80 lb-ft) @ 6000 rpm (approx.)
Fuel Delivery:
Bosch Motronic Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline, minimum 95 RON (91 AKI)
Oil Type:
API SG or higher, SAE 20W-50 recommended for general use.
Oil Capacity:
Approx. 4.0 liters (4.2 US quarts) with filter change.
Clutch:
Hydraulically operated, multi-plate wet clutch
Transmission Oil:
SAE 75W-90 hypoid gear oil, API GL-5.
Transmission Oil Capacity:
Approx. 1.0 liter (1.1 US quarts)
Instrumentation:
Analog tachometer and speedometer, digital odometer, trip meters, fuel gauge, coolant temperature gauge, warning lights. LT model may have additional comfort features.
ABS System:
Optional Integral ABS system provides enhanced braking safety by preventing wheel lock-up during hard braking.
Diagnostic Interface:
While not modern OBD-II, the bikes feature diagnostic connectors allowing for a more in-depth check of the Motronic system with appropriate tools (covered in manual).
Oil Change:
Every 5,000 - 10,000 km (3,000 - 6,000 miles) or annually, whichever comes first. Refer to manual for precise intervals.
Valve Clearance:
Every 10,000 - 20,000 km (6,000 - 12,000 miles). Critical for smooth engine operation.
Brake Fluid Flush:
Every 2 years, regardless of mileage.
Coolant:
BMW recommended coolant or equivalent, mixed 50/50 with distilled water. Check manual for specific type (e.g., ethylene glycol-based).
Brake Fluid:
DOT 4 hydraulic brake fluid.
Common Wear Items:
Clutch slave cylinder seal leaks, fuel injector O-rings, voltage regulator failure, ABS sensor issues, starter motor brushes. The manual will detail diagnosis and repair for these.
Maintenance Schedule Importance:
Adherence to scheduled maintenance is crucial for the longevity and performance of the K1100's complex systems, especially the fuel injection and ABS.
Bmw Motorrad:
BMW Motorrad has a long history of producing high-quality, innovative motorcycles, particularly known for their boxer-twin engines and touring capabilities.
K Series Lineage:
The K1100 is part of the innovative K-series, which debuted in the early 1980s with the K100, featuring a transverse inline-four engine and shaft drive, a departure from BMW's traditional boxer models.
K1100 Introduction:
The K1100 series, introduced in 1989 as the K1, evolved into the K1100LT and K1100RS, offering enhanced performance, comfort, and touring features. The K1100LT served as the flagship touring model.
Production Years:
1989-1999 (K1100LT/RS variants specifically 1993-1999 for this manual)
Manufacturing Location:
Berlin, Germany
Automotive Press Reviews:
The K1100LT and RS were generally praised by automotive press for their performance, comfort, reliability, and advanced engineering for their time.
Owner Satisfaction:
High owner satisfaction ratings, particularly for long-distance touring capability and build quality.
