Product Type:
Complete Workshop Service Repair Manual
Applicable Model Years:
1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Vehicle Platform Code:
K-Series
Target Audience:
BMW K-Series owners, independent motorcycle repair shops, and professional mechanics specializing in BMW motorcycles.
Value Proposition:
Provides essential technical data and procedures to maintain, diagnose, and repair BMW K75RT and K1100LT models, saving on dealership service costs and enabling enthusiasts to perform their own work.
Manual Comprehensive Nature:
Covers all significant mechanical, electrical, and bodywork aspects for the specified model years, offering a complete reference.
Diagram Clarity:
Includes detailed diagrams, schematics, and exploded views crucial for understanding complex assemblies and routing.
Engine And Powertrain:
Engine disassembly, assembly, tuning, lubrication, cooling system, fuel system (injection), exhaust system, clutch, gearbox, final drive.
Chassis And Frame:
Frame inspection, suspension (front fork, rear shock absorber), steering system, wheel and tire maintenance, brake system (front and rear).
Electrical System:
Wiring diagrams, battery, charging system (alternator, regulator), ignition system, lighting, instrumentation, starting system, electronic control units (ECU).
Bodywork And Fittings:
Fairings, body panels, seating, luggage systems (LT specific), controls, trim components.
Maintenance:
Routine servicing, fluid changes, filter replacements, valve clearance adjustment, spark plug replacement, brake pad inspection/replacement, chain/driveshaft lubrication.
Troubleshooting:
Diagnostic charts, common fault finding for engine, electrical, and mechanical systems.
Repair And Rebuild:
Detailed step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation of major assemblies.
Technical Adjustments:
Idle speed setting, throttle cable adjustment, ignition timing checks (if applicable), fuel injection system diagnostics.
Diagnostic Capabilities:
Advanced diagnostic procedures, including interpretation of fault codes and sensor readings where applicable via diagnostic tools of the era.
Component Specifications:
Torque specifications, tolerances, clearance measurements, electrical resistance values, and pressure readings for all major components.
Rebuild Procedures:
Comprehensive rebuild instructions for engine internals, gearbox, and suspension components.
Image Resolution:
High resolution for clear viewing of diagrams and text (expected for a quality manual).
Physical Format If Printed:
Not applicable for downloadable product, but historically these were spiral-bound or perfect-bound for workshop durability.
Physical Format If Printed:
Not applicable for downloadable product, but historically printed manuals used durable, often glossy paper for diagrams.
Engine Type:
Inline 3-cylinder, 4-stroke
Displacement:
740 cc (75 hp variant) / 748 cc (later variants)
Bore X Stroke:
70 mm x 64 mm
Compression Ratio:
10.2:1
Fuel System:
Bosch LE-Jetronic Fuel Injection
Power Output:
Approx. 75 hp @ 8500 rpm (varies slightly by year/model variant)
Torque:
Approx. 70 Nm @ 6750 rpm
Engine Type:
Inline 4-cylinder, 4-stroke
Bore X Stroke:
73 mm x 65 mm
Compression Ratio:
10.5:1
Fuel System:
Bosch Motronic Fuel Injection (often Motronic 2.1 or 2.2)
Power Output:
Approx. 95 hp @ 7500 rpm
Torque:
Approx. 100 Nm @ 6000 rpm
Engine Orientation:
Transverse
Fuel Type:
Unleaded Petrol (Octane rating specified in manual, typically 95 RON)
Crash Test Information:
Not applicable (motorcycle specific safety data often handled differently than automobiles).
Braking System Front:
Dual Disc (K75RT), Dual Disc with ABS II (K1100LT)
Braking System Rear:
Single Disc (K75RT), Single Disc with ABS II (K1100LT)
ABS System:
ABS II available/standard on K1100LT, not typically on K75RT
Lighting System:
Halogen headlamp, LED taillight (typical), turn signals, brake lights.
Instrumentation:
Analog speedometer, tachometer, fuel gauge, temperature gauge, warning lights, clock.
ABS Technology:
ABS II (on K1100LT) is a significant safety technology for its time, preventing wheel lock-up under heavy braking.
Diagnostic Ports:
Diagnostic ports for connecting BMW's early diagnostic tools (e.g., for Motronic system checks) are covered.
Oil Change Interval:
Typically every 10,000 km or annually, whichever comes first (refer to manual for precise intervals).
Valve Clearance Check:
Typically every 20,000 km or as specified for initial checks.
Brake Fluid Change:
Every 2 years (regardless of mileage) for optimal braking performance.
Engine Oil Type:
API SG or higher, SAE 20W-50 or 10W-40 (refer to manual for exact BMW recommendation, often a mineral or semi-synthetic).
Engine Oil Capacity:
Approx. 3.0 Liters (K75RT) / 3.5 Liters (K1100LT) with filter change (refer to manual).
Brake Fluid Type:
DOT 4 (refer to manual for specific BMW designation, e.g., DOT 4 HV for ABS systems).
Coolant Type:
Ethylene glycol based coolant with corrosion inhibitors (BMW approved coolant or equivalent).
Gearbox Oil Type:
SAE 75W-90 API GL-4 or GL-5 (refer to manual for precise BMW specification).
Fuel Pump Reliability:
Early fuel pumps could be a point of failure; regular checks and timely replacement are advised.
Electrical Connector Corrosion:
Corrosion in electrical connectors, especially in exposed areas, can lead to intermittent faults. Regular inspection and cleaning are recommended.
ABS System Maintenance:
ABS II systems require specific bleeding procedures and fluid types. The manual will detail proper maintenance to avoid issues.
Oil Filter K75:
BMW Part Number: 11 42 1 458 382 (or equivalent Mahle OC 35, Mann MF 312)
Oil Filter K1100:
BMW Part Number: 11 42 1 458 382 (or equivalent Mahle OC 35, Mann MF 312) - often the same as K75.
Bmw Motorcycle Division:
BMW Motorrad, established in 1923, known for engineering excellence and innovative technologies.
K Series Introduction:
The K-Series debuted in 1983 with the K100, featuring a revolutionary transverse-mounted, fuel-injected inline-four engine. The K75 (triple) and later K1100 (enhanced four) models evolved from this platform.
K75Rt Positioning:
The K75RT was the touring variant of the K75, offering a comfortable riding position, fairings, and luggage for extended journeys.
K1100Lt Positioning:
The K1100LT represented the pinnacle of the K-Series touring models of its era, boasting a larger displacement engine, more powerful alternator, ABS, and comprehensive touring amenities like a large fairing and integrated luggage.
Manufacturing Location:
Berlin, Germany