Streaker 125

1980 Bultaco Streaker 125 Technical Analysis & Specification Breakdown

Engineered by Bultaco for the touring motorcycle segment, the 1980 Bultaco Streaker 125 features a 119 cc (7.3 cu in) air-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 10 HP (7.3 kW) at 9,000 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 84 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 Streaker 125 measures 94 kg (207 lbs) wet (curb), translating to a power-to-weight ratio of 0.11 HP/kg (9.4 kg per horsepower). The 10.5-liter (2.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 116 km/h (72 mph).

Within MotoLibrary's Bultaco archive, this model family spans 3 indexed model years from 1978 to 1980, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.