Positioning:
Premium sport-touring motorcycle, known for comfort, performance, and reliability
Competitors:
Honda ST1100, Yamaha Venture Royale, Kawasaki Voyager XII
Features:
Four-cylinder boxer engine, shaft drive, extensive fairing for wind protection, comfortable rider and passenger ergonomics
Primary Coverage:
Complete service, repair, and maintenance
Type:
Service Manual / Workshop Manual / Repair Manual
Format:
Likely printed, can infer potential for digital (PDF) availability
Engine:
Complete overhaul, diagnostics, tuning, fuel injection, ignition system
Transmission:
Gearbox disassembly, assembly, troubleshooting, clutch operation
Electrical System:
Wiring diagrams, component testing, battery, alternator, starter, lighting, diagnostics
Chassis And Suspension:
Front fork service, rear shock absorber, wheel bearings, steering head bearings
Braking System:
Hydraulic brake system, ABS (if applicable), disc and pad replacement, fluid flushing
Fuel System:
Fuel tank, fuel pump, injectors, fuel lines, pressure testing
Bodywork And Fairings:
Fairing removal and installation, cosmetic repairs, seat assembly
Cooling System:
Radiator, coolant, fan operation, temperature regulation
Exhaust System:
Muffler and pipe inspection, gasket replacement
Routine Maintenance:
Oil changes, filter replacement, spark plug service, lubrication points
Troubleshooting:
Diagnostic procedures for common and uncommon issues
Major Repairs:
Engine rebuild, transmission overhauls, suspension component replacement
Diagnostic Procedures:
Step-by-step fault finding and correction
Component Disassembly And Reassembly:
Detailed instructions for all major assemblies
Depth:
Comprehensive, covering basic to advanced repairs and diagnostics
File Type:
Assumed Print, potential for searchable PDF
Quality:
Likely high quality with clear diagrams and pictures
Binding:
Likely durable binding for workshop use (e.g., spiral, comb, or saddle-stitched)
Paper:
Durable paper suitable for workshop environments
Engine Type:
Four-stroke, liquid-cooled, flat-four boxer
Bore X Stroke:
73 mm x 63.75 mm
Compression Ratio:
10.2:1
Horsepower:
Approx. 90-100 hp (at crankshaft, depending on market) / 67-74 kW
Torque:
Approx. 95-100 Nm (at crankshaft, depending on market)
Fuel Delivery:
Bosch Motronic Fuel Injection
Fuel Type:
Unleaded gasoline (premium octane recommended)
Oil Type:
API SG or higher, SAE 15W-40 or 20W-50 recommended (refer to manual for specific BMW recommendations)
Ignition System:
Electronic (Bosch Motronic)
Safety Features:
Integrated ABS II (Anti-lock Braking System) often standard or optional depending on year/market.
Braking System:
Dual front disc brakes, single rear disc brake, ABS
Lighting:
Halogen headlights, comprehensive rear lighting
Audio System:
Optional integrated radio/cassette player on some models, often with handlebar controls.
Display:
Analog instruments with an LCD display for odometer, clock, and trip functions.
ABS:
ABS II system (Anti-lock Braking System) for enhanced braking control.
Diagnostics:
On-board diagnostics via the Motronic system, accessible with appropriate tools and knowledge, as detailed in the manual.
Oil Change Interval:
Typically every 5,000-10,000 km or annually, refer to manual for precise interval.
Spark Plug Replacement:
Around 20,000-30,000 km
Valve Clearance Check:
Often at 20,000-30,000 km intervals
Brake Fluid:
DOT 4 recommended
Coolant:
BMW recommended coolant or equivalent ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio)
Final Drive Oil:
Hypoid gear oil (API GL-5) of SAE 90 viscosity is typically recommended. Verify with manual.
Common Wear Items:
Water pump seals, output shaft seal, fuel pressure regulator diaphragm, ABS sensor wear
Electrical Concerns:
Corrosion in connectors, faulty alternator brushes, aging wiring harnesses
Heritage:
BMW Motorrad has a long history of producing high-quality, technologically advanced motorcycles, known for their engineering prowess and durability.
Evolution:
The K1100LT is part of BMW's K-series, which debuted with the K100 in the early 1980s, featuring innovative transverse-mounted inline engines. The K1100LT was an evolution focused on touring comfort and luxury, succeeding the K100LT.
Production Years:
Approximately 1989/1990 to 1997
