Back to Bike FinderYears: 1957 · 1956 · 1955 · 1954
DKW RT 125 2H
1957Sportbike

DKW RT 125 2H

Key specifications

Engine
123 cc
Power
6 HP
Fuel type
petrol
Transmission
3-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

Introducing the 1957 DKW RT 125 2H, a classic motorcycle that perfectly embodies the spirit of post-war European engineering and design. Positioned firmly in the sport category, this lightweight beauty is celebrated for its nimble handling and spirited performance, making it a favorite among enthusiasts and collectors alike. With its sleek lines and retro charm, the RT 125 2H is not just a means of transportation; it’s a statement of freedom and adventure that resonates deeply with those who appreciate the golden age of motorcycling. At the heart of the RT 125 2H lies a peppy 123cc single-cylinder, two-stroke engine that churns out a respectable 5.7 horsepower at 5,000 RPM. This small but mighty powerplant allows the motorcycle to reach a top speed of 84 km/h (52.2 mph), delivering an exhilarating ride that’s perfect for both city commuting and weekend jaunts. The 3-speed gearbox, coupled with a wet multiplate clutch, provides smooth gear transitions, while the air-cooled design keeps things simple and reliable. Riders will appreciate the responsive throttle and light chassis that combine to create a nimble and engaging riding experience, allowing for effortless maneuverability on winding roads. The DKW RT 125 2H showcases a range of features that highlight its engineering prowess. The single cradle frame is designed for stability while the telescopic front fork enhances comfort, absorbing bumps with ease. The drum brakes, both front and rear, provide adequate stopping power, ensuring that the rider feels secure even at higher speeds. With a compact dimension of 1,959 mm in length and a width of just 660 mm, this motorcycle is perfect for urban environments where space is at a premium. The kick starter adds a nostalgic touch, reminding riders of a time when simplicity and mechanical ingenuity reigned supreme. **

Pros

  • Lightweight and Nimble: The compact design and low weight make the RT 125 2H exceptionally easy to handle, perfect for both new riders and seasoned enthusiasts.
  • Classic Design: Its vintage styling and charming aesthetics are sure to turn heads, making it a desirable piece for collectors.
  • Engaging Ride: The two-stroke engine provides a thrilling riding experience, delivering a unique blend of power and responsiveness.

Cons

  • Limited Power Output: With only 5.7 HP, the RT 125 2H may struggle to keep up with faster modern traffic on highways.
  • Basic Features: The absence of advanced features such as disc brakes or modern suspension technology may detract from comfort and safety compared to contemporary models.
  • Maintenance Needs: The two-stroke engine requires regular maintenance and a keen understanding of its specific fuel and oil needs, which may not appeal to all riders.

Technical details

Source specification data

Make
DKW
Model
RT 125 2H
Category
Sport
Starter
Kick
Power
5.70 HP (4.2 kW)) @ 5000 RPM
Clutch
Wet multiplate
Gearbox
3-speed
Ignition
Magneto
Top Speed
84.0 km/h (52.2 mph)
Fuel System
Carburettor
Bore X Stroke
52.0 x 58.0 mm (2.0 x 2.3 inches)
Compression
6.5:1
Displacement
123.00 ccm (7.51 cubic inches)
Cooling System
Air
Engine Details
Single cylinder, two-stroke
Transmission Type Final Drive
Chain
Overall Width
660 mm (26.0 inches)
Overall Height
660 mm (26.0 inches)
Overall Length
1,959 mm (77.1 inches)
Rear Tyre
2.50-19
Frame Type
Single cradle
Front Tyre
2.50-19
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
None
Front Suspension
Telescopic fork