🏷️ Basic Information Identification Make: BMW Model: K1100RT Codes Vehicle Platform Code: K-Series (Monolever/Paralever) 👋 Introduction Market Position Segment: Luxury Sport Touring Motorcycle Key Features Vehicle Type K100Lt: Full-dress touring motorcycle with extensive fairing and luggage Vehicle Type K1100Rt: Sport-touring motorcycle with improved performance and ABS II Manual Purpose: Empower owners and technicians for self-sufficiency in maintenance and repair 📋 Manual Details Coverage Areas Coverage Scope: Complete service and repair Page Count Estimated Page Count: Likely 500+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Full overhaul, valve clearance, timing, lubrication system Fuel System: EFI system, fuel pump, injectors, throttle body, pressure regulator Ignition System: Motronic ECU, sensors, ignition coils, spark plugs Transmission: Clutch assembly, gearbox, final drive (spline lubrication) Brakes: ABS II (K1100RT), hydraulic system, caliper overhaul, pad replacement, fluid flush Suspension: Front forks (oil change, seal replacement), rear monoshock (adjustment, rebuild) Electrical System: Wiring diagrams, battery, charging system, lighting, starter, Motronic ECU diagnostics Bodywork: Fairing removal and installation, seat, luggage systems (LT) Procedures Included Maintenance: Scheduled servicing, oil changes, filter replacements, brake fluid service Diagnostics: Troubleshooting guides, error codes (Motronic), component testing Repair: Component overhaul, replacement of wear items, specific system repairs Rebuilding: Engine rebuild procedures, gearbox overhaul Technical Depth Depth: Comprehensive (from basic maintenance to full engine rebuilds) 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: High-resolution scans for clear diagrams and text Binding Type Binding: N/A (Digital format) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type K100Lt: Four-stroke inline four-cylinder, longitudinally mounted Engine Displacement K100Lt: 987 cc (99.2 x 64.5 mm bore x stroke) Engine Type K1100Rt: Four-stroke inline four-cylinder, longitudinally mounted Engine Displacement K1100Rt: 1093 cc (74.5 x 63.4 mm bore x stroke) Performance Horsepower K100Lt: 90 hp (67 kW) @ 8,200 rpm Torque K100Lt: 83 Nm (61 lb-ft) @ 6,750 rpm Horsepower K1100Rt: 100 hp (74 kW) @ 7,500 rpm Torque K1100Rt: 102 Nm (75 lb-ft) @ 5,750 rpm Fuel System Fuel Injection Type: Bosch Motronic (K100LT) / Bosch Motronic 2.2 (K1100RT) Fuel Type: Unleaded gasoline, premium octane rating Fuel Tank Capacity: 21 liters (5.5 US gal) Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Final Drive: Shaft drive with Monolever (K100LT) / Paralever (K1100RT) Features Clutch Type: Dry single-plate clutch (K100LT) / Wet multi-plate clutch (K1100RT) Transmission Fluid Spec: BMW recommends specific gearbox oil; refer to manual for exact specification and capacity. 📐 Dimensions Exterior Length K100Lt: Approx. 2,260 mm (89.0 in) Length K1100Rt: Approx. 2,290 mm (90.2 in) Weights Dry Weight K100Lt: Approx. 239 kg (527 lbs) Dry Weight K1100Rt: Approx. 255 kg (562 lbs) 🛡️ Safety Features Active Features ABS System K1100Rt: BMW ABS II (Anti-lock Braking System) Passive Features Frame Construction: Trellis frame (steel tubing) 💡 Technology Features Infotainment Audio System K100Lt: Optional integrated radio/cassette player with handlebar controls on some models. Instrumentation: Analog gauges (speedometer, tachometer), fuel gauge, voltmeter, oil pressure warning light, clock. Driver Assistance ABS K1100Rt: Advanced for its era, ABS II provided significant safety improvements during braking. Connectivity Diagnostic Ports: Specific diagnostic connectors for Motronic system troubleshooting. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-10,000 km or annually, refer to manual for precise interval. Valve Check Interval: Every 20,000-30,000 km Fluid Specifications Engine Oil Grade: Refer to manual; typically SAE 15W-50 or 20W-50 synthetic motorcycle oil. Coolant Type: Ethylene glycol based coolant with corrosion inhibitors (BMW recommends specific mix). Brake Fluid Type: DOT 4 or DOT 5.1 (refer to manual for precise specification, especially for ABS systems). Known Issues Common Wear Items: Clutch wear, fuel pump failure, ABS modulator issues (K1100RT), starter motor bushings, splined shaft lubrication. Electrical Gremlins: Corroded connectors, failing relays, and ignition switch issues can occur with age. 📚 Vehicle History Brand Heritage Bmw Motorcycle Legacy: Renowned for engineering excellence, durability, and innovative design in motorcycles since 1923. Model Evolution K Series Introduction: The K-series, introduced in 1983 with the K100, marked BMW's first major departure from boxer engines, featuring a transverse, liquid-cooled inline-four. K100Lt Development: The 'LT' (Luxus Tourer) variant was a fully dressed touring model derived from the K100, emphasizing comfort and long-distance capability. K1100Rt Development: The K1100RT, introduced in 1990, featured an enlarged 1093cc engine, improved aerodynamics, and the advanced ABS II braking system, enhancing performance and safety. Production Production Period K100Lt: Approximately 1986-1991 Production Period K1100Rt: Approximately 1990-1996 🏆 Awards & Recognition Recognitions Bmw K Series Reputation: The K-series was lauded for its smooth power delivery, excellent build quality, and innovative engineering, establishing BMW as a major player in the sport-touring segment.