254 Quattro

1981 Benelli 254 Quattro Technical Analysis & Specification Breakdown

Built around Benelli's classic motorcycle platform, the 1981 Benelli 254 Quattro relies on a 231 cc (14.1 cu in) air-cooled in-line four, four-stroke powerplant. In factory specification, peak output is rated at 27 HP (19.7 kW) at 10,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 116.9 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 254 Quattro measures 122 kg (269 lbs) wet (curb), translating to a power-to-weight ratio of 0.22 HP/kg (4.52 kg per horsepower). The 8-liter (2.1 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 150 km/h (93 mph).

Within MotoLibrary's Benelli archive, this model family spans 4 indexed model years from 1980 to 1983, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.