Segment:
Premium Sport Touring Motorcycle
Target Audience:
Riders seeking comfortable long-distance touring with sporty handling capabilities.
Competitors Era:
Honda VFR750F, Yamaha FJ1200, Kawasaki ZZR1100, Suzuki GSX1100F.
Engine Layout:
Inline four-cylinder, longitudinally mounted, boxer-style (flat, 90-degree opposed cylinder heads).
Drivetrain:
Shaft drive, offering low maintenance compared to chain drives.
Styling:
Full fairing for aerodynamic efficiency and rider comfort, often with adjustable windscreen.
Engine:
Complete overhaul, diagnostics, fuel injection (Bosch Motronic), ignition system, cooling system, lubrication.
Transmission:
Clutch operation, gearbox disassembly and reassembly, final drive (shaft drive) maintenance.
Electrical System:
Wiring diagrams, charging system (alternator, regulator), starting system (starter motor), lighting, instrumentation, ECU diagnostics.
Chassis And Suspension:
Front fork (BMW Telelever or standard telescopic fork depending on exact sub-model/year, though K100 RS typically had conventional forks), rear monoshock absorber, swingarm, wheel bearings, steering head bearings.
Braking System:
Front and rear brake system maintenance, ABS diagnostics and troubleshooting (if equipped, ABS II was available on some later models), brake pad replacement, fluid bleeding.
Fuel System:
Fuel pump, injectors, fuel filter replacement, fuel tank service.
Bodywork And Fairings:
Fairing removal and installation, seat, fuel tank mounting, minor bodywork repairs.
Routine Maintenance:
Oil changes, filter replacements (oil, fuel, air), spark plug service, chain adjustment (if applicable, though shaft drive), fluid level checks.
Troubleshooting:
Diagnostic flowcharts for common performance issues, electrical faults, starting problems.
Major Repairs:
Engine component replacement (pistons, rings, valves), gearbox rebuilds, suspension overhaul, electrical component repair.
Special Tools:
Identification of BMW-specific tools required for certain procedures.
Depth:
Comprehensive, covering everything from routine maintenance to complete engine and transmission overhauls, suitable for professional mechanics and experienced DIY enthusiasts.
Searchability:
Likely text-searchable, enabling quick navigation to specific topics.
Quality:
Assumed high quality for professional use, with clear diagrams and text.
Binding:
Not applicable (PDF Download)
Paper:
Not applicable (PDF Download)
Type:
Four-stroke, air-cooled inline-four-cylinder
Bore X Stroke:
67 mm x 68 mm
Valve Train:
2 valves per cylinder, SOHC (Single Overhead Camshaft)
Horsepower Est:
90 hp @ 7500 rpm (approximate, varies slightly by region/spec)
Torque Est:
93 Nm (68 lb-ft) @ 5200 rpm (approximate)
Induction:
Bosch LE-Jetronic or Motronic electronic fuel injection
Fuel Type:
Unleaded gasoline, premium octane recommended
Clutch:
Hydraulically operated, multi-plate wet clutch
Final Drive:
Shaft drive with universal joint
Gearbox Oil:
Typically SAE 75W/90 or SAE 80W/90 gear oil (specific grade to be confirmed in manual)
Gearbox Oil Capacity:
Approx. 1.5 Liters (check manual for exact quantity)
Safety Features:
Full fairing for weather protection, powerful braking system. ABS II available on some later models for enhanced braking safety.
Braking System:
Dual disc front brakes, single disc rear brake. Optional ABS II.
Fairing:
Wind protection for rider reduces fatigue on long rides.
Oil Change:
Typically every 10,000 km (6,000 miles) or annually, whichever comes first. (Verify in manual for exact interval).
Valve Check:
Every 20,000 km (12,000 miles). (Verify in manual).
Fuel Filter Replacement:
As needed or per manual recommendation, often tied to major service intervals.
Spark Plug Replacement:
Every 10,000 km (6,000 miles). (Verify in manual).
Engine Oil Type:
API SG or higher, SAE 20W-40 or 10W-40 synthetic or mineral oil (specific recommendation crucial, check manual).
Engine Oil Capacity:
Approx. 4.0 Liters (4.2 US qt) with filter change. (Verify in manual).
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors. BMW recommends specific coolant. (Verify in manual).
Brake Fluid Type:
DOT 4 brake fluid.
Fuel Pump:
Early models could experience fuel pump failures; replacement with upgraded units is common.
Voltage Regulator:
Overheating or failure of the voltage regulator can occur, impacting battery charging. Heat dissipation is key.
Starter Solenoid:
Some instances of starter solenoid issues have been reported.
Fuel Injector Seals:
Degradation of injector seals can lead to fuel leaks or running issues.
Bmw Motorcycles:
BMW has a long-standing reputation for engineering excellence, quality, and innovation in motorcycle manufacturing, dating back to 1923.
K Series Introduction:
The K series, introduced in 1983 with the K100, represented BMW's move to a modern, fuel-injected, water-cooled engine, breaking from their tradition of boxer-twin engines. The K100 RS (Reihe Sport) was a sport-oriented variant of the original K100.
K100 Production Years:
1983-1992 (K100 RS specifically until around 1992, with successors like K1100 RS taking over).
Manufacturing Location:
Berlin, Germany (BMW Motorrad's primary production facility).
