MT-9

1971 Dnepr MT-9 Technical Analysis & Specification Breakdown

At the heart of the 1971 Dnepr MT-9 classic motorcycle, Dnepr utilizes a 649 cc (39.6 cu in) two cylinder boxer, four-stroke layout. In factory specification, peak output is rated at 32 HP (23.4 kW) at 5,000 rpm, transferring power to the rear wheel through shaft drive (cardan) final drive. With a specific output of 49.3 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 MT-9 measures 210 kg (463 lbs) dry, translating to a power-to-weight ratio of 0.15 HP/kg (6.56 kg per horsepower).

Within MotoLibrary's Dnepr archive, this model family spans 6 indexed model years from 1971 to 1976, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.