#gdr #mzes #mz Uwe M. introduces us to the MZ ES 125. In 1962, a new motorcycle model was released from the motorcycle factory in Zschopau (MZ) in the German Democratic Republic: the MZ ES 125. This model was accompanied by a larger sibling, the MZ ES 150. The numbers in the model names indicate the engine displacement, with the smaller variant producing 8.5 horsepower and the 150 cubic centimeter variant producing 10 horsepower. The designation ES stands for "Einzylinder" (single cylinder) and "Schwinge" (swingarm), as both models are equipped with a full swingarm suspension system, providing good ground contact and riding comfort both at the front and rear.
On the often poor roads of the time, this was a significant advantage as the suspension absorbed bumps more smoothly than the conventional telescopic fork. However, when riding with additional load, such as a passenger or luggage, a slight handlebar wobble could occur, which could be minimized by maintaining the correct tire pressure in the front tire.
The MZ ES series replaced the well-established Reichstyp RT 125. A major innovation was the use of a pressed steel frame, made from two halves inseparably connected by crimping and folding. This increased the torsional rigidity of the frame by 20 percent. The front swingarm carrier and the rear of the machine were made of light metal, reducing weight and improving ride stability.
Another highlight of the MZ ES was the asymmetric dipped beam and the high beam flasher, which enhanced safety during night rides at that time. Despite the weak 6V electrical system, this equipment was an advanced feature.
The international press praised the thoughtful arrangement of the controls and the overall harmonious design of the machine. Continuous improvements included the introduction of the wide cylinder in 1965, which provided better thermal stability. Later, from 1967, the shape of the indicators was changed and from 1968 the models were equipped with the so-called segment speedometer.
In 1969, the entire ES series received the additional name "Trophy," in recognition of the successes of the GDR motorsport team in the international Six Days competitions. The "Trophy" inscription henceforth adorned the tank and tank cap of the motorcycles.
The last models of the ES series were produced in 1977. Despite the introduction of newer models like the TS series, many MZ ES motorcycles have survived to this day due to their robustness and durability. These machines are now sought after by vintage enthusiasts, both older riders and young enthusiasts.
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