K 75

1991 BMW K 75 Technical Analysis & Specification Breakdown

Positioned in BMW's naked motorcycle lineup, the 1991 BMW K 75 features a 740 cc (45.2 cu in) liquid-cooled in-line three, four-stroke configuration. In factory specification, peak output is rated at 75 HP (54.7 kW) at 8,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 101.4 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the K 75 measures 236 kg (520 lbs) wet (curb), translating to a power-to-weight ratio of 0.32 HP/kg (3.15 kg per horsepower). The 21-liter (5.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 194 km/h (121 mph).

Within MotoLibrary's BMW archive, this model family spans 11 indexed model years from 1986 to 1996, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.