Positioning:
The BMW K1100LT represented a premium, sport-touring motorcycle, offering comfort, performance, and advanced technology for its era.
Competitors:
Competed with other high-end touring motorcycles from brands like Honda (e.g., Gold Wing variants), Kawasaki (e.g., Concours), and Yamaha (e.g., Venture).
Engine Type:
Liquid-cooled, four-stroke, flat four-cylinder engine.
Power Delivery:
Known for smooth, linear power delivery and excellent torque.
Touring Amenities:
Full fairing, integrated luggage system (panniers and top case), comfortable seating for rider and passenger.
Electronics:
Advanced for its time, including ABS II, potentially heated grips, and sophisticated fuel injection.
Engine:
Detailed diagnosis, repair, and overhaul procedures for the K1100LT's inline-four engine.
Fuel System:
Bosch Motronic fuel injection system, fuel pump, injectors, pressure regulator, and troubleshooting.
Ignition System:
Electronic ignition system, coil packs, spark plugs, and timing adjustments.
Transmission:
Five-speed gearbox, clutch assembly, drive shaft, and final drive maintenance and repair.
Brakes:
ABS II braking system, hydraulic lines, calipers, master cylinders, and rotor replacement.
Suspension:
Front fork (telescopic, possibly with electronic damping adjustment), rear monoshock absorber, and linkage system.
Electrical System:
Wiring diagrams, charging system (alternator, regulator), starter motor, lighting, and instrument cluster.
Cooling System:
Liquid cooling system, radiator, water pump, thermostat, and coolant specifications.
Chassis And Bodywork:
Frame, fairing components, seat, body panels, luggage system, and ergonomics.
Routine Maintenance:
Oil changes, filter replacements, spark plug servicing, brake fluid flushes, and general inspections.
Troubleshooting:
Diagnostic charts, common fault identification, and step-by-step troubleshooting guides for various systems.
Repair Procedures:
Detailed instructions for engine overhaul, transmission rebuild, suspension component replacement, and brake system repairs.
Electrical Diagnostics:
Wiring diagram interpretation, component testing, and fault diagnosis for the electrical system.
Special Tools:
Identification and usage of specialized tools required for specific repair tasks.
Torque Specifications:
Precise torque values for critical fasteners throughout the motorcycle.
Schematics:
Detailed technical drawings and diagrams for all major components and systems.
Depth:
Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds.
Searchability:
Likely text-searchable PDF for efficient information retrieval.
Printability:
Designed for printing, allowing users to print specific sections or the entire manual.
Binding Recommendation:
User printable, suggesting a professional bind or binder for optimal usability.
Recommended Paper:
Standard printer paper suitable for workshop use.
Engine Type:
Liquid-cooled, DOHC, four-valve per cylinder, inline four-cylinder.
Bore X Stroke:
73 mm x 63.8 mm
Horsepower:
Approx. 90-100 hp @ 7500 rpm (specific to model year and tuning).
Torque:
Approx. 100 Nm (74 lb-ft) @ 6000 rpm (specific to model year and tuning).
Injection System:
Bosch Motronic 2.2 or similar electronic fuel injection.
Fuel Type:
Unleaded gasoline, 95 RON (Octane Rating).
Coolant Type:
BMW recommended ethylene glycol-based coolant.
Oil Type:
SAE 20W-50 or 15W-40 motorcycle-specific synthetic or semi-synthetic oil.
Oil Capacity:
Approx. 4.5 liters (4.8 US quarts) with filter change.
Length:
Approx. 2310 mm (90.9 in)
Width:
Approx. 930 mm (36.6 in) (including mirrors and fairing).
Height:
Approx. 1440 mm (56.7 in) (including windscreen).
Dry Weight:
Approx. 272 kg (600 lbs)
Wet Weight:
Approx. 295 kg (650 lbs) (fully fueled and ready to ride).
Load Capacity:
Designed for touring with luggage, capacity typically 200-220 kg (rider, passenger, luggage).
ABS:
Standard BMW Motorrad ABS II system, enhancing braking stability.
Braking System:
Dual front disc brakes with four-piston calipers; single rear disc brake with two-piston caliper.
Lighting:
Halogen headlight, LED taillight, integrated turn signals.
Fairing:
Full aerodynamic fairing providing wind protection for rider and passenger.
Ergonomics:
Comfortable, upright riding position designed for long-distance travel.
Instrument Cluster:
Analog tachometer and speedometer, digital odometer, trip meter, gear indicator, clock, and warning lights.
ABS:
BMW Motorrad ABS II, a sophisticated anti-lock braking system for its era.
Charging Port:
Often equipped with a BMW accessory power socket for charging devices.
Heated Grips:
Optional heated grips for rider comfort in cooler conditions.
Adjustable Windscreen:
Manual adjustment of the windscreen for optimal wind protection.
Oil Change Interval:
Every 10,000 km (6,000 miles) or annually.
Filter Change Interval:
With every oil change.
Valve Adjustment Interval:
Every 20,000 km (12,000 miles).
Brake Fluid Flush:
Every 2 years.
Engine Oil Spec:
Refer to engine_specs: SAE 20W-50 or 15W-40 motorcycle oil.
Brake Fluid Spec:
DOT 4 brake fluid.
Coolant Spec:
Refer to engine_specs: BMW recommended ethylene glycol-based coolant.
Gearbox Oil Spec:
Refer to transmission: SAE 80W/90 GL-5 hypoid gear oil.
Electrical Connectors:
Corrosion or loose connections, particularly in the main wiring harness and fuse box, can lead to intermittent electrical faults.
Fuel Pump Reliability:
Some early models might experience fuel pump wear; diagnosis involves checking fuel pressure.
ABS System Wear:
ABS sensors and hydraulic units can require maintenance or replacement over time; proper bleeding procedures are critical.
Rubber Components:
Aging rubber hoses, seals, and vibration dampers can degrade, requiring replacement.
Oil Filter Example:
Mann-Filter: MH 1, Mahle: OC 93, Bosch: 0 986 452 041 (cross-reference required).
Air Filter Example:
Mann-Filter: C 33 170, K&N: BM-1190 (cross-reference required).
Spark Plug Example:
NGK DPR8EA-9 or equivalent.
Brand Focus:
BMW Motorrad has a long history of producing innovative and high-quality motorcycles, particularly known for their engineering prowess and durability.
K Series Development:
The K1100LT is part of BMW's K-series, which debuted in the early 1980s with the K100. The K1100 series refined the flat-four engine concept, increasing displacement and performance.
Lt Designation:
'LT' stands for 'Luxus Tourer' (Luxury Tourer), indicating its focus on comfort and long-distance touring capabilities.
Production Period:
The K1100LT was produced from 1992 to 1999. The 1998 model year falls within this generation.