BMW R 100RS (1982 – 83)

BMW R 100RS (1982 - 83)

The BMW R 100RS, a paradox of performance and practicality. At first glance, it’s a high-kinetic roadster, built for low-altitude, high-speed thrills on your favorite curvy roads. However, beneath its racy packaging lies a basic long-haul BMW, a boxer twin that redefines the boundaries of road travel.

The R 100RS is not just a motorcycle, but a carefully crafted envelope that wraps the rider in a cocoon of efficiency and comfort. BMW’s design philosophy emphasizes streamlining, unimpaired high-speed stability, and minimal response to side winds. The fairing, while aerodynamic, still provides room for essential instruments and a comfortable riding position.

The boxer twin engine, with its two constant depression carburetors, is a masterpiece of design. It’s an air-cooled beast, with cylinders that fit neatly outside the fairing, away from the rider. The result is a machine that’s as at home on the open road as it is on a twisty mountain pass.

The BMW R 100RS is a motorcycle that defies categorization, a true pioneer in the world of touring motorcycles. With its unique blend of performance, practicality, and style, it’s a machine that will forever change the way you ride.

Key Specifications

Engine TypeFour stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Engine Capacity980 cc / 59.8 cub in.
Max Power51 kw / 70 hp
Max Torque76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Fuel Tank Capacity6.3 US gallons / 24.0 L
Weight (Wet/Kerb)506 lbs / 230 kg
Seat Height32.3 inches / 820 mm
BMW R 100RS (1982 - 83)

All Specifications

Make & Model

ModelBMW R 100RS
Year1982 – 83

Engine

Engine TypeFour stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement980 cc / 59.8 cub in.
Bore x Stroke94 x 70.6 mm
Compression Ratio9.5:1
Max Horsepower51 kw / 70 hp
Max Torque76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Engine Management System2 x Constant depression carburettors, Bing 94/40/105 – 94/40/106
Lubrication SystemWet sump
Cooling SystemAir cooled

Performance

Top Speed196 km/h / 121.5 mph

Transmission

ClutchDry single plate, with diaphragm spring
Gearbox5 Speed
Gear Ratios1st4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Final DriveShaft

Electrical & Electronics System

StarterElectric

Chassis & Suspension

Frame TypeDouble sown tubs, dual cradle
Front SuspensionTelescopic fork with hydraulic shock absorber.
Front Suspension Travel7.8 inches / 200 mm
Rear SuspensionLong swinging arm with adjustable strut.
Rear Suspension Travel4.9 inches / 125 mm

Wheels & Brakes

Front Wheel/Rim Size2.15 – B19
Front Tire Size3.25 – H19
Rear Wheel/Rim Size2.50 – B18
Rear Tire Size4.00 – H18
Front Brakes2 x ∅260mm discs, 2 piston calipers
Rear BrakesSimplex ∅200 mm drum

Dimension & Weights

Seat Height32.3 inches / 820 mm
Wheelbase57.67 inches / 1465 mm
Ground Clearance165 mm / 6.49 in
Fuel Tank Capacity6.3 US gallons / 24.0 L
Wet (kerb/curb) Weight506 lbs / 230 kg

Features

  • Constant depression carburettors
  • Bing 94/40/105 and 94/40/106 carburetors
  • Air-cooled boxer twin engine
  • Long-haul BMW design
  • R100RS model
  • Wind tunnel tested fairing
  • Streamlined design for low wind resistance
  • High-speed stability
  • Minimal response to side winds
  • Room for clock, key, and voltmeter in the fairing
  • Air-cooled cylinders outside the airstream
  • Reduced heat transfer to the rider’s torso
  • Lower leg protection from wind
  • Aft-balancing required for full-stop
  • No fundamental changes since 1976
  • Factory tests showed improved steering and resistance
  • Reasonably complete rider protection
  • Boxer twin engine
BMW R 100RS (1982 - 83)
BMW R 100RS (1982 - 83)
BMW R 100RS (1982 - 83)

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