Segment:
Sport Touring / Touring Motorcycle
Target Audience:
BMW K-Series owners seeking comprehensive self-service, professional mechanics, and restoration specialists.
Competitors Era:
Honda Gold Wing, Yamaha Venture, Kawasaki Voyager, Moto Guzzi Le Mans variants, early Ducati models.
Vehicle Features:
Inline four-cylinder engine, shaft drive, aerodynamic fairings (RS/RT/LT), robust build quality, comfortable touring ergonomics.
Manual Value Proposition:
Essential resource for maintaining the longevity and performance of these iconic BMW motorcycles, enabling owners to perform complex tasks confidently.
Systems Covered:
Engine, Fuel System, Ignition System, Clutch, Transmission, Drive Shaft, Frame, Suspension (Front and Rear), Brakes, Electrical System, Wiring Diagrams, Bodywork, Fairings, Instruments, Tools, Troubleshooting, Maintenance Procedures, Specifications.
Total Pages:
Approx. 350-450 pages (estimated based on typical service manuals for this era and model range)
Type:
Service and Repair Workshop Manual
Engine:
Detailed overhaul, component testing, lubrication, cooling system, timing chain, valve adjustments, piston/cylinder inspection.
Fuel System:
Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel pressure regulator, air flow meter, throttle body maintenance and diagnosis.
Ignition System:
Ignition coil testing, spark plug selection and gap, Motronic ignition control module functions.
Transmission Drivetrain:
Clutch operation, gearbox disassembly and reassembly, final drive, driveshaft maintenance and lubrication.
Chassis Suspension:
Front fork servicing (oil change, seal replacement), rear monoshock absorber adjustment and overhaul, swingarm bearings.
Brakes:
Brake fluid types, bleeding procedures, caliper overhaul, pad replacement, disc inspection, ABS system (if applicable to specific variant).
Electrical System:
Complete wiring diagrams for all variants, battery maintenance, starter motor, alternator, lighting system, instrument cluster diagnostics.
Bodywork Fairings:
Fairing removal and installation, seat removal, luggage system fitting (RT/LT), panel replacement.
Maintenance:
Scheduled maintenance tasks, oil and filter changes, coolant replacement, spark plug replacement, brake fluid flush, lubrication points.
Troubleshooting:
Diagnostic flowcharts for common running issues, electrical faults, starting problems, braking system anomalies.
Repair:
Detailed step-by-step instructions for major component repairs and overhauls, including engine rebuilds, gearbox repairs, suspension overhauls.
Depth:
Comprehensive, from routine maintenance to full engine and gearbox rebuilds, including diagnostic procedures for the electronic fuel injection and ignition systems.
Digital Quality:
High-resolution scans, text-searchable where applicable, clear diagrams and illustrations.
Illustrations:
Includes detailed line drawings, exploded views, and wiring diagrams.
Binding:
Not Applicable (Digital PDF format)
Paper Quality:
Not Applicable (Digital PDF format)
Configuration:
Liquid-cooled, four-stroke, inline four-cylinder
Bore X Stroke:
73 mm x 59 mm
Compression Ratio:
10.2:1
Valve Train:
DOHC, 4 valves per cylinder
Horsepower:
Approx. 90-100 hp @ 8,250 rpm (variant dependent)
Torque:
Approx. 70-75 lb-ft @ 6,500 rpm (variant dependent)
System:
Bosch Motronic electronic fuel injection (EFI)
Fuel Type:
Unleaded gasoline, 91 octane (AKI) or higher recommended
Oil Capacity:
Approx. 4.5 liters (with filter change)
Oil Type:
API SG or higher, SAE 20W-50 recommended for most climates (refer to manual for specific BMW recommendations)
Length:
Varies by model (approx. 2200-2300 mm for RS/RT/LT)
Width:
Varies by model (fairing dependent)
Height:
Varies by model (fairing dependent)
Dry Weight:
Approx. 230-250 kg (variant dependent)
Gross Vehicle Weight Rating:
Refer to vehicle VIN plate or manual.
Instrument Cluster:
Analog speedometer and tachometer, fuel gauge, engine temperature gauge, indicator lights. Diagnostics covered in the manual.
ABS:
Anti-lock Braking System (optional on some models) for enhanced braking control. Manual covers system checks and troubleshooting.
Wiring Harness:
Complex wiring harness designs that facilitate integration of accessories. Manual provides comprehensive wiring diagrams for custom installations or repairs.
Oil Change Interval:
Every 5,000 - 10,000 km or annually (refer to manual for exact recommendation based on usage)
Valve Adjustment Interval:
Every 20,000 - 30,000 km (important for maintaining performance and preventing wear)
Brake Fluid Flush Interval:
Every 2 years
Coolant Replacement Interval:
Every 2-3 years or as specified by coolant type
Coolant Type:
Ethylene glycol-based antifreeze, BMW recommended or equivalent
Electrical Connectors:
Corrosion and wear on electrical connectors, particularly in high-vibration areas, can lead to intermittent faults. Manual provides troubleshooting steps.
Fuel Pump Reliability:
Early fuel pumps could be a point of failure; manual covers diagnosis and replacement.
Clutch Actuator:
Potential for wear in the clutch slave cylinder or actuator assembly, impacting clutch engagement. Manual details inspection and servicing.
Suspension Seals:
Front fork seals and rear shock absorber seals can degrade over time, leading to leaks. Manual provides detailed procedures for replacement.
Bmw Motorcycles:
BMW Motorrad has a long-standing reputation for engineering excellence, reliability, and innovation in motorcycle design, dating back to the early 20th century.
K Series Introduction:
The K-series, introduced in the early 1980s, marked BMW's significant shift to liquid-cooled, multi-cylinder engines, moving away from their traditional boxer twin configurations. The K100 was the first of this groundbreaking line.
K100 Variants:
The K100 platform was diversified into sport-touring (RS), touring (RT), and luxury touring (LT) variants, each with distinct fairings, seating positions, and amenities to cater to different rider needs.
Production Years:
1983-1992 (K100 series, with continuous evolution into K1100, K75, etc.)
Manufacturing Location:
Berlin, Germany
