500 LS

1977 Benelli 500 LS Technical Analysis & Specification Breakdown

At the heart of the 1977 Benelli 500 LS sport touring motorcycle, Benelli features a 498 cc (30.4 cu in) air-cooled in-line four, four-stroke configuration. In factory specification, peak output is rated at 44 HP (32.1 kW) at 8,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 88.4 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 500 LS measures 230 kg (507 lbs) wet (curb), translating to a power-to-weight ratio of 0.19 HP/kg (5.23 kg per horsepower). The 19-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 173 km/h (107 mph).

Within MotoLibrary's Benelli archive, this model family spans 4 indexed model years from 1977 to 1980, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.