🏷️ Basic Information

Make:

BMW

Model:

K1100LT

Model Nickname:

The Flying Brick (LT variant)

Body Style:

Touring Motorcycle

Vin Code:

12th digit for model year (e.g., 'R' for 1994, 'S' for 1995, etc.)

Engine Code:

K1100LT

👋 Introduction

Positioning:

Premium touring motorcycle aimed at long-distance comfort and performance, competing with other large-displacement tourers of its era.

Competitors:

Honda Gold Wing, Kawasaki Voyager, Yamaha Venture, Harley-Davidson Electra Glide.

Touring Amenities:

Integrated fairing with wind protection, comfortable rider and passenger seating, ample luggage capacity (panniers and top case), often equipped with radio/stereo systems.

Engine Platform:

Part of BMW's K-series 'Flying Brick' platform, known for its distinctive transverse-mounted inline-four engine and shaft drive.

Reliability:

Generally regarded as robust and reliable with proper maintenance, characteristic of BMW engineering.

📋 Manual Details

Years Covered:

1993, 1994, 1995, 1996, 1997, 1998, 1999

Engine Variants Covered:

1093cc DOHC Inline-Four Cylinder

Estimated Page Count:

Approximately 500-700 pages (typical for comprehensive workshop manuals)

Manual Type:

Workshop Service Manual / Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Disassembly, assembly, inspection, overhaul of engine components (pistons, rings, cylinders, crankshaft, camshafts, valves, timing chain).

Engine Fuel System:

Fuel injection system (Bosch Motronic), injectors, fuel pump, pressure regulator, throttle body, sensors (TPS, MAP, IAT, O2).

Ignition System:

Ignition coil, spark plugs, ignition control module, timing.

Cooling System:

Radiator, fan, water pump, thermostat, coolant flow, bleed procedures.

Exhaust System:

Exhaust manifold, catalytic converter, mufflers, lambda sensor.

Transmission Gearbox:

Clutch operation, gearbox disassembly and assembly, gear selection, shift mechanism, lubrication.

Drivetrain:

Final drive (shaft drive), bevel gear assembly, universal joints, driveshaft maintenance.

Brakes System:

Front and rear brake calipers, master cylinders, brake lines, ABS (Anti-lock Braking System) components and diagnostics (if equipped), bleeding procedures.

Suspension Front:

Telescopic fork components, oil seals, springs, damping adjustment, fork brace.

Suspension Rear:

Monolever rear suspension, shock absorber, swingarm, pivot bearings.

Wheels Tires:

Wheel bearing inspection and replacement, tire pressure, tire wear, wheel balancing.

Electrical System Charging:

Alternator, voltage regulator, battery maintenance and testing.

Electrical System Lighting:

Headlight, taillight, turn signals, brake light, dashboard illumination, bulb replacement.

Electrical System Starting:

Starter motor, starter solenoid, battery connections.

Electrical System Instruments:

Speedometer, tachometer, fuel gauge, temperature gauge, warning lights, sensor connections.

Bodywork Fairings:

Fairing removal and installation, mounting points, wind deflector.

Controls Cables:

Throttle cables, clutch cable, brake levers, handlebar adjustments.

Diagnostics Troubleshooting:

Fault codes (if applicable via Motronic), diagnostic procedures for various systems, common problems and solutions.

Routine Maintenance:

Oil and filter changes, spark plug replacement, air filter cleaning/replacement, lubrication of moving parts, brake checks, chain adjustment (though this is shaft drive).

Engine Overhaul:

Complete engine rebuild procedures, including torques, clearances, and assembly sequences.

Transmission Repair:

Gearbox rebuild, clutch replacement, shaft drive system maintenance.

Brake System Service:

Brake fluid flush and bleed, caliper rebuild, master cylinder replacement, ABS system bleeding.

Suspension Servicing:

Fork seal replacement, fork oil change, shock absorber overhaul (if possible).

Electrical Diagnostics:

Wiring diagrams, troubleshooting electrical faults, charging system testing, starting system testing.

Fuel Injection Tuning:

Basic adjustments, sensor checks, injector cleaning procedures.

Depth Of Coverage:

Comprehensive from basic maintenance to complete engine and transmission overhaul, including electrical system diagnostics and bodywork repair.

Diagnostic Capability:

Provides procedures for identifying and resolving common and complex issues, including electrical troubleshooting with wiring diagrams.

Repair Instructions:

Step-by-step instructions with accompanying diagrams and torque specifications for all major components.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable text (if generated from digital sources).

Printable:

Printable pages for workshop use.

Image Resolution:

High-resolution for clear diagrams and illustrations (assuming quality source).

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Inline-four cylinder, four-stroke

Displacement:

1093 cc (66.7 cubic inches)

Bore X Stroke:

73 mm x 63.75 mm

Compression Ratio:

10.5:1

Valve Train:

DOHC, 16 valves (4 per cylinder)

Horsepower:

Approx. 100 hp (74 kW) @ 7500 rpm

Torque:

Approx. 104 Nm (76.7 lb-ft) @ 6000 rpm

Fuel Delivery:

Bosch Motronic Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline, minimum 95 RON

Fuel Capacity:

22 Liters (5.8 US gallons)

🔧 Transmission

Transmission Type:

5-speed manual gearbox

Clutch:

Hydraulically operated single dry plate clutch

Final Drive:

Shaft drive with bevel gear

Gear Ratios:

Specific ratios would be detailed in the manual, typically around 3.4:1 for 1st gear.

Transmission Fluid Type:

GL-5 Hypoid Gear Oil (Specific viscosity grade like 80W-90 typically recommended, refer to manual for exact specification).

📐 Dimensions

Length:

Approx. 2300 mm (90.6 inches)

Width:

Approx. 900 mm (35.4 inches) over mirrors

Height:

Approx. 1420 mm (55.9 inches)

Wheelbase:

Approx. 1517 mm (59.7 inches)

Dry Weight:

Approx. 250 kg (551 lbs)

Wet Weight:

Approx. 273 kg (602 lbs)

Gross Vehicle Weight Rating Gvwr:

Not typically specified as a strict GVWR, but payload capacity is considered.

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycle safety is assessed differently than cars).

ABS:

Optional BMW Integral ABS (Anti-lock Braking System) available on some models.

Braking Performance:

Dual front disc brakes with 4-piston calipers, single rear disc brake with 2-piston caliper. Excellent stopping power for its class.

Lighting System:

Halogen headlight for excellent nighttime visibility, integrated turn signals.

Wind Protection:

Large, adjustable windscreen and full fairing provide significant rider protection from elements.

💡 Technology Features

Audio System:

Many K1100LT models were equipped with an integrated radio/cassette player or provision for one, with speakers in the fairing.

Cruise Control:

Not typically fitted as standard, but aftermarket options might exist.

ABS Availability:

Integral ABS was an optional feature, offering significant safety enhancement.

Diagnostic Ports:

Diagnostic interface for the Motronic engine management system, allowing for fault code retrieval.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 km (6,000 miles) or annually, whichever comes first. Refer to manual for exact specification.

Filter Change Interval:

Oil filter should be changed at every oil change. Air filter cleaning/replacement at 20,000 km (12,000 miles).

Spark Plug Replacement:

Typically every 20,000 km (12,000 miles) or as recommended.

Valve Clearance Check:

Every 20,000 km (12,000 miles) or as specified in the manual.

Engine Oil Type:

Synthetic or semi-synthetic motorcycle engine oil, SAE 10W-40 or 20W-50 depending on climate (refer to manual for precise BMW recommendations).

Engine Oil Capacity:

Approximately 4.5 Liters (4.7 US quarts) with filter change.

Brake Fluid Type:

DOT 4 or DOT 5.1, depending on ABS system requirements (consult manual).

Coolant Type:

Ethylene glycol-based antifreeze coolant, mixed with distilled water (50/50 ratio recommended).

Common Wear Items:

Fuel pump longevity, electrical connector corrosion (especially around battery and ECU), clutch slave cylinder seals, starter motor brushes.

ABS System Considerations:

ABS system (if equipped) can be complex to service; fluid changes and bleeding are critical. Sensor cleanliness is important.

Oil Leaks:

Potential for oil leaks from valve cover gasket or oil pan gasket over time.

📚 Vehicle History

Bmw Motorcycle History:

BMW has a long and storied history in motorcycle manufacturing, dating back to the early 20th century, known for engineering innovation and quality.

K Series Development:

The K1100LT is part of the second generation of BMW's K-series, evolving from the earlier K100 models. It represents BMW's push into the large-displacement, multi-cylinder touring motorcycle market.

Production Years:

The K1100LT model itself was produced from 1993 to 1999.

Manufacturing Location:

Berlin, Germany (BMW Motorrad plant)

🏆 Awards & Recognition

Historical Acclaim:

While specific awards for the K1100LT are not widely publicized, the K-series platform as a whole was recognized for its engineering and comfort, solidifying BMW's position in the touring segment.

Owner Satisfaction:

Owners often praise the K1100LT for its comfortable ride, stable handling, powerful engine, and long-distance touring capabilities. Reliability is generally high when properly maintained.