🏷️ Basic Information

Make:

BMW

Model:

K1100LT / K1100RS

Model Designation:

K11LT / K11RS

Body Style:

Sport Touring / Touring

Generation:

K1100 Series

Chassis Codes:

K11LT (Touring), K11RS (Sport Touring)

👋 Introduction

Target Audience:

BMW K1100LT and K1100RS owners, independent motorcycle repair shops, experienced DIY mechanics.

Value Proposition:

Provides factory-level detail for essential maintenance and repair, crucial for preserving the value and performance of these classic BMWs.

Manufacturer Origin:

Factory BMW documentation

Content Authenticity:

Official service manual, ensuring accuracy and completeness.

Availability:

Instant download, offering immediate access to critical repair information.

📋 Manual Details

Vehicle Years:

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

Models Covered:

K1100LT, K1100RS

Estimated Page Count:

Approximately 500+ pages (typical for this era's factory manuals)

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Engine Mechanical:

Engine disassembly, assembly, inspection, lubrication, cooling system, fuel system (injection), exhaust system.

Engine Electrical:

Ignition system (Motronic ECU), starter system, charging system (alternator, regulator), spark plugs, wiring diagrams.

Transmission:

Clutch operation, gearbox disassembly, assembly, inspection, lubrication, shift mechanism.

Drivetrain:

Driveshaft, universal joint, final drive, rear axle, bevel gear, wheel bearing maintenance.

Suspension:

Front fork (telescopic, possibly with ABS), rear shock absorber, linkage, swingarm inspection and service.

Brakes:

Front and rear brake systems, ABS (Anti-lock Braking System) troubleshooting and service, hydraulic lines, master cylinders, calipers, pads, rotors.

Wheels And Tires:

Wheel bearing inspection, tire pressures, wheel removal and installation, spoke wheel maintenance (if applicable).

Electrical System:

Lighting (headlight, taillight, signals), instrumentation, horn, battery, fuses, relays, body control modules, wiring harness routing and repair.

Fuel System:

Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, Bosch Motronic engine management.

Cooling System:

Radiator, coolant hoses, thermostat, water pump, fan operation.

Body And Fairings:

Fairing removal and installation, seat, storage compartments, windshield adjustment, body panel repair.

Routine Maintenance:

Oil changes, filter replacements, spark plug checks, valve clearance adjustments, brake fluid flushes, coolant checks.

Troubleshooting:

Diagnostic procedures for common issues, error code interpretation (if applicable), electrical fault finding.

Major Repairs:

Engine rebuild, transmission overhaul, suspension component replacement, ABS unit service.

Wiring Diagrams:

Detailed electrical schematics for all systems, aiding in diagnosis and repair.

Torque Specifications:

Precise torque values for all critical fasteners.

Special Tools:

Identification and usage of BMW specific tools required for certain procedures.

Depth Of Coverage:

Comprehensive, from basic user maintenance to complete engine and transmission rebuilds.

Diagnostic Capability:

Detailed diagnostic flowcharts and symptom-based troubleshooting.

Rebuild Instructions:

Step-by-step instructions for component disassembly and reassembly with illustrations.

📊 Manual Specifications

File Format:

PDF

Searchability:

Likely text-searchable PDF (depends on original scan quality)

Print Quality:

Digital, quality dependent on original document and scanning process; typically high resolution for diagrams.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

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

Displacement:

1092.8 cc (1.1 Liters)

Bore X Stroke:

77.8 mm x 57.1 mm

Compression Ratio:

10.0:1

Horsepower:

100 hp (74 kW) @ 7500 rpm (approx.)

Torque:

106 Nm (78 lb-ft) @ 6000 rpm (approx.)

Fuel Delivery:

Bosch Motronic 2.2 Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline, minimum 95 RON (87 AKI)

Ignition System:

Electronic Ignition (Motronic ECU controlled)

Oil Capacity With Filter:

Approx. 4.5 Liters (4.8 US qt)

Cooling Type:

Liquid-cooled

🔧 Transmission

Transmission Type:

5-speed manual

Clutch Type:

Dry, single-plate, hydraulically actuated

Final Drive:

Shaft drive

📐 Dimensions

Length K1100Lt:

Approx. 2265 mm (89.2 in)

Width K1100Lt:

Approx. 900 mm (35.4 in) (including fairing)

Height K1100Lt:

Approx. 1450 mm (57.1 in)

Wheelbase:

Approx. 1495 mm (58.9 in)

Dry Weight K1100Lt:

Approx. 245 kg (540 lbs)

Wet Weight K1100Lt:

Approx. 275 kg (606 lbs) (fully fueled)

Fuel Capacity:

21 Liters (5.5 US gal), including 3.5L reserve

🛡️ Safety Features

Safety Systems:

Available ABS II (Anti-lock Braking System) on many models.

Braking System Front:

Dual 320 mm discs with 4-piston calipers

Braking System Rear:

Single 280 mm disc with 2-piston caliper

Lighting:

Halogen headlight, integrated front and rear turn signals.

💡 Technology Features

Instrumentation:

Analog tachometer and speedometer, digital odometer, trip meters, fuel gauge, coolant temperature gauge, various warning lights. LT models often included comprehensive dashboard displays.

ABS System:

ABS II (Anti-lock Braking System) was a significant technological feature for its time, significantly enhancing braking safety, especially during emergency stops.

Wiring Harness:

Complex electrical system with integrated wiring for Motronic, ABS, and accessories, requiring detailed wiring diagrams for troubleshooting.

🔧 Maintenance

Oil Change Interval:

Every 10,000 km (6,000 miles) or annually, whichever comes first.

Valve Clearance Check:

Every 20,000 km (12,000 miles)

Brake Fluid Flush:

Every 2 years

Coolant Flush:

Every 2-3 years or as recommended by BMW

Engine Oil Type:

SAE 10W-40 or 10W-50 synthetic or semi-synthetic motorcycle oil meeting BMW specifications (e.g., API SG or higher, JASO MA).

Coolant Type:

Ethylene glycol based coolant mixed with distilled water (50/50 ratio), meeting BMW specific approvals.

Brake Fluid Type:

DOT 4 or DOT 5.1 hydraulic brake fluid (check manual for specific recommendation regarding ABS compatibility).

Gearbox Oil Type:

SAE 75W-90 or 80W-90 API GL-4 or GL-5 gear oil.

Final Drive Oil Type:

SAE 80W-90 API GL-5 gear oil.

Common Wear Items:

Clutch wear, driveshaft splines lubrication, alternator brushes, fuel pump reliability, ABS sensor issues, fork seal leaks.

Engine Specific Notes:

Valve adjustment is crucial for performance and longevity. Motronic fuel injection system requires specific diagnostic tools for advanced troubleshooting.

📚 Vehicle History

Bmw Motorcycle Legacy:

BMW Motorrad, a division of Bayerische Motoren Werke AG, has a long history of producing well-engineered and durable motorcycles, known for their innovative technology and touring capabilities.

K Series Development:

The K1100 series built upon the revolutionary K100 'Flying Brick' platform, featuring a more powerful 16-valve engine and significant chassis improvements. The LT (Lux Touring) focused on comfort and amenities for long-distance travel, while the RS (Rennsport) offered a sportier riding posture and aerodynamic profile.

Production Period:

1993-1999

Manufacturing Location:

Berlin, Germany

🏆 Awards & Recognition

Motorcycle Reviews:

The K1100 series was generally well-received for its powerful engine, smooth power delivery, stability, and touring comfort (especially the LT). Praised for advanced features like ABS and fuel injection in its era.