Metralla 250 GT

1975 Bultaco Metralla 250 GT Technical Analysis & Specification Breakdown

Engineered by Bultaco for the sport motorcycle segment, the 1975 Bultaco Metralla 250 GT relies on a 244 cc (14.9 cu in) air-cooled single cylinder, two-stroke powerplant. In factory specification, peak output is rated at 23 HP (16.8 kW) at 7,500 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 94.3 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 Metralla 250 GT measures 130 kg (287 lbs) wet (curb), translating to a power-to-weight ratio of 0.18 HP/kg (5.65 kg per horsepower). The 14-liter (3.7 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 131 km/h (81 mph).

Within MotoLibrary's Bultaco archive, this model family spans 3 indexed model years from 1974 to 1976, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.