The K1100LT and K1100RS, produced from 1990 to 1999, represent a significant evolution in motorcycle engineering, building upon the K100 series with an updated 1093cc, 16-valve inline four-cylinder engine. These models are renowned for their robust construction, touring comfort (particularly the LT variant), and performance capabilities, delivering approximately 101 horsepower and 74 lb-ft of torque. The heritage of engineering excellence is evident in the K1100's liquid-cooled engine, shaft drive, and the availability of advanced features like ABS II, making them highly regarded for reliability and a refined riding experience.
This comprehensive service repair workshop manual provides in-depth guidance for the K1100LT and K1100RS motorcycles. It covers essential maintenance procedures, detailed troubleshooting, diagnostics, and component-level repair instructions across all major systems, including the engine, transmission, chassis, braking, and electrical systems. With factory-level detail, step-by-step instructions, and clear illustrations, this manual is an indispensable resource for owners, independent repair shops, and professional technicians aiming to maintain, service, and repair these iconic motorcycles effectively and efficiently.
Target Audience:
BMW K1100LT and K1100RS owners, independent repair shops, motorcycle technicians
Value Proposition:
Provides professional-level repair and maintenance information, enabling cost savings on labor and ensuring proper vehicle care.
Content Detail:
Step-by-step instructions, exploded diagrams, high-quality illustrations, comprehensive technical data.
User Benefit:
Empowers users of all skill levels to perform maintenance and repairs effectively and efficiently.
Primary Coverage:
Comprehensive service and repair for BMW K1100LT and K1100RS motorcycles
Secondary Coverage:
Maintenance, troubleshooting, diagnostics, component-level repair, electrical systems, bodywork
Estimated Page Count:
Extensive (typical factory service manuals of this era are often 500+ pages)
Type:
Service Repair Workshop Manual
Delivery Method:
Instant Download
Engine Systems:
General Information, Engine Removal/Installation, Fuel System, Lubrication & Cooling, Combustion System, Cylinder Head/Valves, Crankcase/Piston/Cylinder, Crankshaft/Transmission/Balancer, Alternator/Starter Clutch
Transmission And Drivetrain:
Gearbox & Clutch, Transmission System
Chassis And Suspension:
Front Wheel & Steering, Rear Wheel System, Chassis, Suspension, Fenders & Exhaust Pipe
Braking System:
Braking System
Electrical System:
Electrical System, Battery/Charging System, Ignition System, Electric Starter, Lights/Meters/Switches, Wiring Diagrams
Bodywork And Fixtures:
Body & Fixtures, Frame/Body Panels/Exhaust System
Wheels And Tires:
Wheels & Tyres
Maintenance Procedures:
Periodic Checks & Adjustments, General Maintenance, Scheduled Service
Repair Procedures:
Complete repair procedures from simple to complex, component overhaul, assembly, disassembly
Troubleshooting:
Troubleshooting guides and diagnostics
Depth:
Factory-level detail, suitable for professional mechanics and experienced DIY enthusiasts
Requirements:
Adobe PDF Reader, WinZip (or equivalent decompression software)
Compatibility:
All versions of Windows (XP, Vista 32/64, ME, 98, NT, 2000) & Mac
Features:
Zoom In/Out enabled, Searchable text (typical for well-formatted PDFs)
Printability:
All pages are printable
Binding:
N/A (Digital PDF format)
Paper:
N/A (Digital PDF format)
Configuration:
Inline Four-Cylinder, Longitudinal Engine
Displacement:
1093 cc (1.1 Liters)
Bore X Stroke:
77 mm x 58 mm
Cooling System:
Liquid-Cooled
Horsepower:
Approx. 101 hp @ 7500 rpm (K1100LT/RS)
Torque:
Approx. 100 Nm (74 lb-ft) @ 5500 rpm (K1100LT/RS)
System:
Bosch Motronic Electronic Fuel Injection (EFI)
Valve Train:
DOHC (Double Overhead Camshafts), 4 Valves per Cylinder
System Type:
Wet Sump (typically with oil cooler)
Clutch Type:
Dry Single-Plate Clutch (typically)
Length K1100Lt:
Approx. 2,340 mm (92.1 in)
Length K1100Rs:
Approx. 2,180 mm (85.8 in)
Dry Weight K1100Lt:
Approx. 238 kg (525 lbs)
Dry Weight K1100Rs:
Approx. 224 kg (494 lbs)
Braking Front:
Dual Disc Brakes (often with ABS II on some models/options)
Braking Rear:
Single Disc Brake (often with ABS II on some models/options)
Lighting System:
Dual Halogen Headlights (K1100LT), Single Halogen Headlight (K1100RS)
Instrumentation:
Analog speedometer, tachometer, fuel gauge, coolant temperature gauge, gear indicator, warning lights.
ABS:
ABS II (Anti-lock Braking System) was an optional feature on many K1100 models, enhancing braking safety.
Diagnostics:
Limited onboard diagnostics compared to modern bikes. Manual is critical for troubleshooting electrical and fuel injection systems.
Oil Change Interval:
Typically every 10,000 km or 6,000 miles (refer to manual for exact intervals)
Valve Adjustment Interval:
Typically every 20,000 km or 12,000 miles (refer to manual for exact intervals)
Engine Oil:
BMW recommends specific multi-grade oils, e.g., SAE 20W-40 or 20W-50 (check manual for exact specifications and API service classification)
Coolant:
Ethylene glycol based coolant, typically a 50/50 mix with distilled water. BMW recommends specific formulations.
Brake Fluid:
DOT 4 (refer to manual for exact specification and replacement intervals)
Common Wear Items:
Clutch wear, fuel injector seals, ABS system components (if equipped), voltage regulator, starter motor brushes, fuel pump.
Electrical Gremlins:
As with many motorcycles of this era, corrosion or loose connections in wiring harnesses can lead to intermittent issues. Manual provides detailed diagrams for tracing.
Brand Focus:
BMW Motorrad is renowned for engineering excellence, touring comfort, and performance motorcycles.
Predecessor:
Successor to the K100 series, featuring an updated 16-valve engine.
Engine Development:
The K1100 series introduced the 16-valve, 1093cc engine derived from the K100's 8-valve unit, offering improved power and refinement.
Production Years:
1990-1999 (K1100LT), 1993-1999 (K1100RS)
Brand Reputation:
BMW motorcycles are consistently recognized for build quality, reliability, and advanced engineering for their time.