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

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 1954 DKW RT 125 2H: A Sporty Classic The 1954 DKW RT 125 2H is a gem from the post-war era, embodying the spirit of innovation and simplicity that defines the DKW brand. As a sport motorcycle, this machine was designed for the enthusiast who craved both performance and agility. With its compact dimensions and lightweight frame, the RT 125 2H was aimed at riders seeking an accessible yet exhilarating ride, making it a popular choice among young motorcyclists and commuters alike. Its design reflects the era's aesthetic, with a classic silhouette that still turns heads today, serving as a testament to DKW's engineering prowess and style. Underneath its charming exterior lies a robust single-cylinder, two-stroke engine displacing 123cc. This powerplant delivers a respectable 5.7 horsepower at 5000 RPM, allowing the RT 125 2H to reach a top speed of 84 km/h (52.2 mph)—a remarkable feat for a bike of its size. The well-tuned compression ratio of 6.5:1 and the efficient carburettor fuel system work in tandem to provide a spirited riding experience. The 3-speed gearbox and wet multiplate clutch ensure smooth gear changes, allowing riders to enjoy the thrill of acceleration without compromising control. Whether navigating city streets or cruising on country roads, the DKW RT 125 2H offers a lively ride that is both engaging and fun. The motorcycle is equipped with a straightforward yet effective chassis design, featuring a single cradle frame that provides stability and confidence on the road. Its front suspension utilizes a telescopic fork, enhancing comfort during rides, while the rear is designed with simplicity in mind, opting for a no-frills setup that emphasizes maneuverability. The expanding drum brakes at both the front and rear ensure dependable stopping power, allowing riders to feel secure throughout their journeys. The kickstarter adds a touch of nostalgia, inviting riders to take a moment to connect with the machine before embarking on their adventures. **

Pros

    Cons

    • Lightweight and Agile: The compact design and low weight make it easy to handle, perfect for new riders and urban commuting.
    • Classic Aesthetic: With its vintage styling, the RT 125 2H appeals to enthusiasts and collectors alike, offering a nostalgic ride.
    • Reliable Performance: The simple yet effective engine design ensures ease of maintenance and dependable power delivery.
    • Limited Speed: While fun to ride, the top speed of 84 km/h may not satisfy those seeking high-performance thrills.
    • Basic Suspension: The absence of a rear suspension may lead to a rougher ride on uneven surfaces compared to modern bikes.
    • Manual Kickstart: The kickstarter can be a hassle for some riders, especially in tricky situations or for those accustomed to electric starts.

    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)
    Seat
    Dual
    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