SRA 150

1958 Puch SRA 150 Technical Analysis & Specification Breakdown

Positioned in Puch's scooter motorcycle lineup, the 1958 Puch SRA 150 utilizes a 145 cc (8.9 cu in) air-cooled single cylinder, two-stroke layout. In factory specification, peak output is rated at 6 HP (4.4 kW) at 5,500 rpm, transferring power to the rear wheel through a 3-speed gearbox and chain final drive. With a specific output of 41.4 HP per liter, the engine character is prioritizing low-RPM tractability, mechanical longevity and relaxed throttle response over peak redline numbers.

On the scales, the SRA 150 measures 102 kg (225 lbs) dry, translating to a power-to-weight ratio of 0.06 HP/kg (17 kg per horsepower). The 7-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Within MotoLibrary's Puch archive, this model family spans 2 indexed model years from 1958 to 1960, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.