250 S Trophy

1964 Zündapp 250 S Trophy Technical Analysis & Specification Breakdown

Engineered by Zündapp for the allround motorcycle segment, the 1964 Zündapp 250 S Trophy features a 245 cc (15 cu in) air-cooled single cylinder, two-stroke configuration. In factory specification, peak output is rated at 14.5 HP (10.6 kW) at 5,500 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 59.2 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 250 S Trophy measures 136 kg (300 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (9.38 kg per horsepower).

Within MotoLibrary's Zündapp archive, this model family spans 9 indexed model years from 1956 to 1964, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.