850 T 4

1981 Moto Guzzi 850 T 4 Technical Analysis & Specification Breakdown

At the heart of the 1981 Moto Guzzi 850 T 4 touring motorcycle, Moto Guzzi pairs a 844 cc (51.5 cu in) air-cooled v2, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 59 HP (43.1 kW) at 6,800 rpm, transferring power to the rear wheel through a 5-speed gearbox and shaft drive (cardan) final drive. With a specific output of 69.9 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 850 T 4 measures 255 kg (562 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.32 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 178 km/h (111 mph).

Within MotoLibrary's Moto Guzzi archive, this model family spans 3 indexed model years from 1980 to 1982, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.