R 100

1980 BMW R 100 Technical Analysis & Specification Breakdown

Positioned in BMW's allround motorcycle lineup, the 1980 BMW R 100 features a 979 cc (59.7 cu in) air-cooled two cylinder boxer, four-stroke configuration. In factory specification, peak output is rated at 67 HP (48.9 kW) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 68.4 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the R 100 measures 236 kg (520 lbs) wet (curb), translating to a power-to-weight ratio of 0.28 HP/kg (3.52 kg per horsepower). The 24-liter (6.3 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 191 km/h (119 mph).

Within MotoLibrary's BMW archive, this model family spans 4 indexed model years from 1980 to 1983, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.