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

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 legendary 1956 DKW RT 125 2H, a quintessential motorcycle that embodies the spirit of post-war innovation and the burgeoning sport bike category. Manufactured by DKW, a pioneer in the two-stroke engine technology, the RT 125 2H was designed to capture the hearts of riding enthusiasts who craved performance wrapped in classic styling. With its nimble frame and lightweight construction, this motorcycle seamlessly blends practicality with a dash of sporting flair, making it a cherished piece of history for collectors and riders alike. At the heart of the RT 125 2H lies a spirited single-cylinder, two-stroke engine with a displacement of 123.00 ccm. Producing 5.70 horsepower at 5,000 RPM, the engine delivers a lively performance that perfectly complements the motorcycle's lightweight build. Riders can experience a top speed of 84 km/h (52.2 mph), making it an exhilarating ride for those who appreciate the thrill of the open road. The air-cooled engine features a classic carburetor and magneto ignition, ensuring a straightforward yet efficient power delivery. Coupled with a 3-speed gearbox and a wet multiplate clutch, the RT 125 2H offers riders a responsive and engaging experience, whether navigating city streets or cruising along scenic routes. The DKW RT 125 2H is not just about power; it’s also equipped with features that enhance its riding dynamics and comfort. The single cradle frame provides stability and ease of handling, while the telescopic front fork ensures a smooth ride over varying terrains. Both front and rear drum brakes offer reliable stopping power, an essential feature for spirited riding. Measuring 1,959 mm in length and just 660 mm wide and high, the RT 125 2H is compact, making it an ideal choice for urban commuters and sport bike enthusiasts alike. The kickstarter adds a touch of nostalgia, inviting riders to engage directly with the machine as they bring it to life. **

Pros

  • Lightweight and Nimble: The compact dimensions and low weight make the RT 125 2H easy to maneuver, perfect for new riders and urban commuting.
  • Classic Two-Stroke Performance: The unique two-stroke engine provides a distinct power band and a thrilling riding experience that enthusiasts crave.
  • Iconic Design: With its classic aesthetic and vintage appeal, the RT 125 2H is a standout piece for collectors and admirers of motorcycle history.

Cons

  • Limited Power Output: With only 5.70 HP, those seeking high-speed thrills may find the performance somewhat restrained compared to modern motorcycles.
  • Basic Suspension: The lack of rear suspension may reduce comfort on rough roads, which could be a drawback for longer rides.
  • Drum Brakes: While reliable in their time, drum brakes may not offer the same stopping power or feel as modern disc brakes, potentially affecting rider confidence during aggressive maneuvers.

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)
Wheels
Spoked
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