M 67-6 (reduced effect)

1990 Ural M 67-6 (reduced effect) Technical Analysis & Specification Breakdown

Positioned in Ural's motorcycle lineup, the 1990 Ural M 67-6 (reduced effect) features a 650 cc (39.7 cu in) air-cooled two cylinder boxer, four-stroke configuration. In factory specification, peak output is rated at 27 HP (19.7 kW) at 4,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and shaft drive (cardan) final drive. With a specific output of 41.5 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the M 67-6 (reduced effect) measures 215 kg (474 lbs) wet (curb), translating to a power-to-weight ratio of 0.13 HP/kg (7.96 kg per horsepower). The 17-liter (4.5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 130 km/h (81 mph).

Within MotoLibrary's Ural archive, this model family spans 3 indexed model years from 1990 to 1992, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.