500 Sei-V

1983 Moto Morini 500 Sei-V Technical Analysis & Specification Breakdown

Positioned in Moto Morini's classic motorcycle lineup, the 1983 Moto Morini 500 Sei-V pairs a 478 cc (29.2 cu in) air-cooled v2, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 42 HP (30.7 kW) at 7,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 87.9 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 Sei-V measures 180 kg (397 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.29 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 155 km/h (96 mph).

Within MotoLibrary's Moto Morini archive, this model family spans 2 indexed model years from 1983 to 1984, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.