250 SGS 67

1957 Puch 250 SGS 67 Technical Analysis & Specification Breakdown

At the heart of the 1957 Puch 250 SGS 67 sport motorcycle, Puch features a 248 cc (15.1 cu in) single cylinder, two-stroke configuration. In factory specification, peak output is rated at 16.5 HP (12 kW) at 5,800 rpm while maximum torque reaches 16.8 Nm (12.4 lb-ft) at 3,300 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 66.5 HP per liter and a 2,500 rpm working window between peak torque (3,300 rpm) and peak power (5,800 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the 250 SGS 67 measures 150 kg (331 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (9.09 kg per horsepower). The 13-liter (3.4 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 110 km/h (68 mph).

Within MotoLibrary's Puch archive, this model family spans 17 indexed model years from 1953 to 1969, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.