🏷️ Basic Information

Make:

BMW

Model:

K1100 LT / RS

Type:

Motorcycle

👋 Introduction

Segment:

Sport-Touring / Touring Motorcycle

Target Audience:

Owners and technicians performing maintenance and repair on BMW K1100 LT and RS models.

Positioning:

Premium sport-touring and touring motorcycles offering a blend of performance, comfort, and BMW's characteristic engineering quality.

Competition:

Competed against other premium sport-touring motorcycles of its era from brands like Honda (ST series), Kawasaki (GTR series), and Yamaha (FJR series).

Distinctive Features:

Characterized by its transverse inline-four engine, shaft drive, advanced (for its time) fuel injection, and the comfort-oriented LT touring variant with full fairing and luggage.

Engine Layout:

Unique transverse inline-four configuration allowed for a narrower motorcycle profile compared to traditional inline-fours.

📋 Manual Details

Manual Type:

Workshop Repair Service Manual

Language:

English

Format:

Digital Download (Printable)

Quality:

Very Best Quality, Illustrated, Clear Step-by-Step Instructions

Page Count:

Not specified in product description, but typically workshop manuals for this era are extensive, ranging from 300-600+ pages.

📖 Manual Coverage

Engine:

Complete engine service, disassembly, assembly, tuning, diagnosis, lubrication system, cooling system, fuel injection system (Bosch Motronic), ignition system, exhaust system.

Transmission:

Clutch operation and service, gearbox disassembly and assembly, gear shift mechanism, final drive and shaft.

Chassis:

Frame, suspension (front forks, rear shock absorber), steering system, wheels, spokes, tires, brakes (front and rear disc brakes, ABS system if applicable), braking system bleeding and maintenance.

Electrical:

Complete electrical system schematic, battery, charging system (alternator, regulator), starting system, lighting system (headlights, tail lights, indicators), horn, instrumentation, fuses, relays, wiring harness diagrams and troubleshooting.

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel injectors, fuel pressure regulator, fuel filter replacement.

Bodywork:

Fairings, body panels, seat, luggage systems (LT model), maintenance and removal of body components.

Instrumentation:

Diagnosis and repair of speedometer, tachometer, fuel gauge, warning lamps, and related sensors.

Safety Systems:

Detailed coverage of ABS systems, including component testing and bleeding procedures.

Maintenance:

Routine service, oil changes, filter replacements, spark plug service, valve clearance adjustment, brake pad replacement, chain adjustment (if applicable to later models), coolant flush.

Troubleshooting:

Diagnostic procedures for common problems, fault finding, electrical system diagnostics, engine performance issues.

Repair:

Detailed step-by-step instructions for component disassembly, repair, and reassembly across all covered systems.

Technical Data:

Torque specifications, fluid capacities, electrical component testing, diagnostic codes.

Suspension Service:

Front fork oil change and seal replacement, rear shock absorber inspection and adjustment (where applicable).

Brake System Overhaul:

Disassembly, cleaning, and reassembly of brake calipers, master cylinders, and bleeding procedures for both standard and ABS systems.

Depth:

Comprehensive, covering routine maintenance to major component overhaul and advanced diagnostics.

Diagnostics:

Includes diagnostic trouble codes (DTCs) for the Motronic system and troubleshooting flowcharts for various electrical and mechanical issues.

📊 Manual Specifications

Format:

PDF

Searchability:

Likely searchable text within the PDF for efficient information retrieval.

Printability:

Designed to be printed with clear, high-quality illustrations and text.

Binding:

N/A (Digital Download)

Paper Quality:

N/A (Digital Download, printable on various paper types)

⚙️ Engine Specifications

Type:

Four-stroke, liquid-cooled, inline four-cylinder

Displacement:

1093 cc

Bore X Stroke:

72 mm x 67.5 mm

Compression Ratio:

10.0:1

Valve Train:

DOHC, 4 valves per cylinder

Horsepower:

Approx. 100-110 HP (depending on market/tuning)

Torque:

Approx. 100 Nm (74 lb-ft)

System:

Bosch Motronic Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline (min. 91 RON)

Injectors:

Bosch fuel injectors, requiring specialized diagnostic tools for testing and calibration.

🔧 Transmission

Type:

5-speed manual gearbox

Clutch:

Hydraulically operated, multi-plate wet clutch

Drive:

Shaft drive to rear wheel

📐 Dimensions

Wheelbase:

Approx. 1495 mm (58.9 inches)

Length:

Approx. 2220 mm (87.4 inches) for LT

Width:

Approx. 890 mm (35 inches) for LT

Seat Height:

Approx. 810 mm (31.9 inches) for LT, 815 mm (32.1 inches) for RS

Dry Weight:

Approx. 245 kg (540 lbs) for LT, 235 kg (518 lbs) for RS

Gross Vehicle Weight Rating:

Approx. 460 kg (1014 lbs)

🛡️ Safety Features

ABS:

Optional ABS system available on some models (BMW Integral ABS).

Braking System:

Dual disc front brakes, single disc rear brake with potentially integrated ABS functionality.

Lighting:

Halogen headlight, integrated turn signals, brake light, taillight.

💡 Technology Features

Features:

Basic instrumentation (speedometer, tachometer, fuel gauge, coolant temperature), warning lights. LT models may have provision for aftermarket radio/audio systems.

ABS:

Optional ABS significantly enhances braking safety, especially in adverse conditions.

Features:

Limited by modern standards; primarily mechanical and electrical systems. No onboard computer or modern connectivity features like Bluetooth or GPS integration from the factory.

🔧 Maintenance

Oil Change:

Typically every 10,000 km (6,000 miles) or annually, whichever comes first. Consult manual for specific details.

Valve Adjustment:

Recommended at 20,000 km (12,000 miles) intervals.

Spark Plugs:

Replacement recommended every 20,000 km (12,000 miles).

Engine Oil:

SAE 15W-50 or 20W-50 API SG/SH motorcycle oil. Capacity: Approx. 4.0-4.5 liters.

Coolant:

BMW recommended coolant (ethylene glycol based) with corrosion inhibitors. Mixture ratio 50:50 with distilled water. Capacity: Approx. 2.5 liters.

Brake Fluid:

DOT 4 hydraulic fluid.

Final Drive Oil:

SAE 80W-90 API GL-4 or GL-5 hypoid gear oil. Capacity: Approx. 0.2 liters.

Common Wear Items:

Clutch wear, fuel pump reliability, starter motor brushes, alternator brushes, fork seals, exhaust header pipe corrosion, ABS sensor failures (if equipped).

Electrical Issues:

Corrosion in wiring connectors, failure of the side stand switch, dashboard illumination issues.

Engine Management:

Motronic system can be sensitive to voltage fluctuations; occasional issues with idle control or sensor readings.

Fairing Mounts:

Vibrations can lead to cracking or loosening of fairing mounting points on LT models.

📚 Vehicle History

Manufacturer:

Bayerische Motoren Werke AG (BMW), Germany.

K Series Era:

Part of BMW's K-series line, known for its modular engine design and transverse inline-four configuration introduced in the 1980s. The K1100 series was an evolution of the K100 platform.

K1100 Introduction:

Introduced in 1992, offering increased displacement and power over the previous K100 models. The LT (Luxus Tourer) was designed for long-distance touring, while the RS (Rennsport) was the sport-oriented faired version.

Engine Upgrade:

The K1100 featured an increased bore and stroke over the K100, resulting in a smoother and more powerful engine delivery.

Production Years:

1992 - 1999