Saturno Bialbero

1951 Gilera Saturno Bialbero Technical Analysis & Specification Breakdown

Positioned in Gilera's sport motorcycle lineup, the 1951 Gilera Saturno Bialbero features a 498.8 cc (30.4 cu in) air-cooled single cylinder, four-stroke configuration. In factory specification, peak output is rated at 45 HP (32.8 kW), transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 90.2 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 Saturno Bialbero measures 125 kg (276 lbs) dry, translating to a power-to-weight ratio of 0.36 HP/kg (2.78 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,380 mm (54.3 in) wheelbase engineered for quick, flickable steering geometry. The 19-liter (5 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Gilera archive, this model family spans 3 indexed model years from 1951 to 1953, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.