900 S Arturo Magni - Cento Valli

1977 MV Agusta 900 S Arturo Magni - Cento Valli Technical Analysis & Specification Breakdown

At the heart of the 1977 MV Agusta 900 S Arturo Magni - Cento Valli sport motorcycle, MV Agusta relies on a 892 cc (54.4 cu in) air-cooled in-line four, four-stroke powerplant. In factory specification, peak output is rated at 105 HP (76.6 kW) at 10,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 117.7 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 900 S Arturo Magni - Cento Valli measures 245 kg (540 lbs) wet (curb), translating to a power-to-weight ratio of 0.43 HP/kg (2.33 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 230 km/h (143 mph).

Within MotoLibrary's MV Agusta archive, this model family spans 2 indexed model years from 1976 to 1977, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.