Interesting Facts About the DKW RT 125-1
The DKW RT 125 is often cited as perhaps the most influential motorcycle of all time, with its production history spanning from the 1930s through the early 1960s. This German two-stroke model was manufactured by DKW, IFA, and MZ, leaving a lasting legacy in the industry.
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A Legacy Spanning Multiple Manufacturers
The RT 125 was produced by DKW in Zschopau during the 1930s, followed by IFA and MZ in the 1950s and early 1960s. The model was introduced in 1939 and continued in production until 1957 under the DKW brand. This long history highlights the bike's enduring significance in motorcycle development.
Inspiration for Yamaha's Entry into Motorcycles
Nippon Gakki formed the Yamaha Motor Company in 1955 specifically to build a copy of the RT 125. This copy was produced as the Yamaha YA-1, which remained in production from 1955 to 1958. The RT 125's design was so influential that it served as the blueprint for Yamaha's initial motorcycle efforts.
Classic Two-Stroke Engineering
The bike featured an air-cooled, single-cylinder, two-stroke engine with a capacity of 123 cc. It generated 4.75 horsepower at 5,000 rpm with a compression ratio of 5.9:1. The 1952 model weighed 150 lb and had a top speed of 45 mph, utilizing front and rear drum brakes.
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DKW RT 125-1 Parts
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Last updated: 08.11.2026, 16:04
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