350 S

1974 MV Agusta 350 S Technical Analysis & Specification Breakdown

Built around MV Agusta's sport motorcycle platform, the 1974 MV Agusta 350 S pairs a 349 cc (21.3 cu in) air-cooled twin, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 33 HP (24.1 kW) at 7,900 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 94.6 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 350 S measures 143 kg (315 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.33 kg per horsepower). The 16-liter (4.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 160 km/h (99 mph).

Within MotoLibrary's MV Agusta archive, this model family spans 7 indexed model years from 1972 to 1978, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.