🏷️ Basic Information

Make:

BMW

Model:

K1100LT / K1100RS

Engine Variant:

1100cc Inline-Four

Engine Design Code:

Inline four-stroke, longitudinal installation

👋 Introduction

Target Audience:

BMW K1100LT and K1100RS owners, mechanics, and repair shops seeking in-depth technical information.

Manual Authenticity:

Described as the same manual used by technicians, indicating official or factory-level information.

Content Completeness:

Features detailed written procedures with illustrations, offering a high degree of completeness for repairs and maintenance.

📋 Manual Details

Systems Covered:

Engine, Engine Electrics, Fuel Preparation & Control, Fuel Tank & Lines, Radiator, Exhaust System, Clutch, Gearbox, Front Fork, Steering, Rear Wheel Drive, Brakes, Wheels & Tyres, Frame, Equipment, General Electrical Equipment, Instruments, Lights

Page Count:

Not specified in provided data, but described as 'very comprehensive'

Manual Type:

Workshop Repair Manual / Service Manual

Language:

English (implied by product name and description)

Format:

PDF Download

📖 Manual Coverage

Engine System:

Detailed coverage including engine design, lubrication, performance data, and diagnostic procedures.

Fuel System:

Comprehensive details on fuel preparation, control, fuel tank, and lines.

Electrical System:

In-depth coverage of engine electrics, general electrical equipment, instruments, and lighting.

Drivetrain System:

Includes detailed information on clutch, gearbox, and rear wheel drive mechanisms.

Suspension And Steering:

Covers front fork and steering system maintenance and repair.

Braking System:

Detailed procedures for brake system servicing and repair.

Wheels And Tires:

Information on wheels and tire maintenance and specifications.

Frame And Bodywork:

Covers frame inspection and related components.

Maintenance Procedures:

Detailed step-by-step maintenance tasks for all covered systems.

Repair Procedures:

Comprehensive repair instructions for mechanical and electrical components.

Diagnostic Procedures:

Implied through the inclusion of technical data and troubleshooting relevant to repair.

Depth Of Coverage:

Advanced diagnostic and repair procedures, suitable for technicians and experienced DIY mechanics.

Visual Aids:

Includes detailed exploded views, pictures, and diagrams.

📊 Manual Specifications

File Format:

PDF

Printability:

Fully printable, allowing for selected pages or the whole manual to be printed.

Binding Type:

Digital Download (not applicable for physical binding)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Inline four-stroke engine

Engine Configuration:

Installed longitudinally

Camshafts:

Double overhead camshafts (DOHC)

Cooling System:

Liquid cooling

Fuel System:

Electronic fuel injection

Engine Number Location:

Lower rear right of engine block

Bore:

70.5 mm (2.77 in)

Stroke:

70 mm (2.75 in)

Number Of Cylinders:

4

Displacement:

1093 cc

Compression Ratio:

11.0 : 1

Power Output:

74 kW (100 hp) at 7500 min-1

Max Torque:

107 Nm at 5500 min-1

Permissible Max Engine Speed:

8900 min-1

Permissible Continuous Engine Speed:

8500 min-1

Idle Speed:

950 +50 min-1

Direction Of Rotation:

Anti-clockwise (looking at ignition system)

Compression Test Good:

above 10.0 bar (142.3 psi)

Compression Test Normal:

8.5…10.0 bar (120.9...142.3 psi)

Compression Test Poor:

below 8.5 bar (120.9 psi)

Fuel Injection Type:

Electronic

Lubrication Type:

Pressurised oil circuit

Oil Filter Type:

Full-flow type

Bypass Valve Opening Pressure:

1.5 bar (21.3 psi)

Oil Pressure Warning Light Activation:

below 0.2…0.5 bar (2.8...7.1 psi)

Pressure Relief Valve Opening Pressure:

5.4 bar (76.8 psi)

Oil Capacity Without Filter Change:

3.50 liters (6.2 Imp. pints)

Oil Capacity With Filter Change:

3.75 liters (6.6 Imp. pints)

Permissible Oil Consumption:

0.15 l/100km (1,875 miles/gallon)

Oil Pump Type:

Gear-type

🔧 Transmission

Transmission Type:

Manual (implied by vehicle type and typical BMW K-series)

Gearbox Coverage:

Detailed coverage of the gearbox system is included in the manual.

📐 Dimensions

Model Variants:

K1100LT (Touring) and K1100RS (Sport-Touring) indicate potential differences in fairing and ergonomic dimensions.

Dry Weight:

Not specified in provided data, but typically around 240-260 kg for these models.

🛡️ Safety Features

Braking System:

Likely features advanced braking systems (e.g., ABS on some versions, though not explicitly stated in provided data) which are detailed in the manual.

💡 Technology Features

Instrumentation:

Features comprehensive instrument cluster coverage including tachometer, speedometer, fuel gauge, and warning lights.

Braking System Options:

Manual covers braking systems, potentially including ABS if fitted to the specific variant.

Wiring Diagrams:

Implied within 'General Electrical Equipment' and 'Engine Electrics' sections, vital for diagnostics and upgrades.

🔧 Maintenance

Oil Change Interval:

Not specified in provided data, but typical for this era is around 5,000-10,000 km or annually.

Major Service Interval:

Not specified, but often around 20,000-30,000 km for valve checks and other comprehensive checks.

Engine Oil Type:

Not specified, but typically SAE 10W-40 or 20W-50 semi-synthetic or synthetic motorcycle oil is recommended.

Coolant Type:

Not specified, but typically a water-glycol mixture (e.g., BMW approved coolant) is required.

Common Wear Items:

Based on general K-series knowledge, potential wear items include fuel pump, starter motor relay, and water pump seal. The manual would detail inspection and replacement procedures.

Electrical Gremlins:

Older BMWs can sometimes experience minor electrical issues; the manual's electrical section is crucial for diagnosis.

📚 Vehicle History

Manufacturer:

Bayerische Motoren Werke AG (BMW)

K Series Lineage:

Part of BMW's K-series motorcycle line, known for its inline-four engine configuration and shaft drive.

Production Period:

The K1100LT and K1100RS were primarily produced in the 1990s (e.g., 1992-1999).