This workshop repair manual provides comprehensive guidance for the K1100LT and K1100RS models, powered by a 1100cc inline-four engine. These motorcycles, produced primarily in the 1990s, are renowned for their engineering quality and reliability, forming part of the esteemed K-series lineage. The manual covers both the touring-oriented K1100LT and the sport-touring K1100RS variants, offering detailed information on their longitudinal engine installation, double overhead camshafts, and liquid-cooled systems.
This manual is designed to be an indispensable resource for owners, mechanics, and technicians, offering extensive coverage across all major vehicle systems. It includes detailed maintenance and repair procedures for the engine, engine electrics, fuel preparation and control, clutch, gearbox, front fork, steering, brakes, wheels, tires, frame, and general electrical equipment. With in-depth technical data, troubleshooting guidance, and detailed illustrations, this manual ensures that users can effectively maintain, diagnose, and repair their K1100LT or K1100RS with confidence.
Engine Variant:
1100cc Inline-Four
Engine Design Code:
Inline four-stroke, longitudinal installation
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.
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)
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.
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 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
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)
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.
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.
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.
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.
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.
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).