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DKW RT 125 2
1953Sportbike

DKW RT 125 2

Key specifications

Engine
123 cc
Power
6 HP
Weight
86 kg
Fuel type
petrol
Fuel capacity
2.5 L
Transmission
3-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

### Introducing the 1953 DKW RT 125 2: A Sporty Classic The 1953 DKW RT 125 2 stands as a testament to the golden age of motorcycling, cleverly blending sportiness with practicality. As part of DKW's renowned lineup, this bike was designed to cater to the emerging post-war market looking for reliable and enjoyable two-wheeled transport. With its lightweight frame and agile handling, the RT 125 2 quickly became a favorite among riders seeking a spirited yet approachable machine. This motorcycle embodies the philosophy of simplicity and efficiency, making it a classic choice for both collectors and enthusiasts alike. ### Engine Performance and Riding Characteristics At the heart of the RT 125 2 lies a spirited single-cylinder, two-stroke engine with a displacement of 123.00 ccm. Producing a respectable 5.70 horsepower at 5000 RPM, this compact powerhouse delivers a lively performance that’s perfect for urban commutes or leisurely country rides. The engine’s 6.1:1 compression ratio combined with a well-tuned carburettor ensures responsive throttle and smooth acceleration, giving riders a sense of connection with the bike as they navigate winding roads. Coupled with a 3-speed gearbox and chain final drive, the motorcycle offers an engaging riding experience that rewards both novice and seasoned riders with its nimbleness and ease of handling. ### Key Features and Technology The DKW RT 125 2 is adorned with a range of features that amplify its appeal. The single cradle frame, lightweight at just 86 kg (189.6 lbs), provides excellent stability and maneuverability, making it a breeze to handle around corners. Telescopic forks at the front deliver a responsive ride, while the expanding drum brakes—both front and rear—offer dependable stopping power. Its compact dimensions (length: 1,959 mm; width: 660 mm; height: 660 mm) ensure that the bike is agile in traffic, while the 9.50-liter fuel tank provides ample range for longer journeys. Not to mention, the classic kick-starter exudes nostalgia, reminding riders of a simpler time in motorcycling. ###

Pros

    Cons

    • Lightweight and Nimble: Weighing only 86 kg, the RT 125 2 is easy to maneuver, making it ideal for city riding and tight corners.
    • Simple Maintenance: The straightforward design and two-stroke engine make the motorcycle easy to maintain, perfect for DIY enthusiasts.
    • Classic Aesthetic: Its vintage styling and design elements attract collectors and those who appreciate classic motorcycle heritage.
    • Limited Power: While sufficient for urban commuting, the 5.70 HP output may feel underwhelming for riders seeking high-speed performance.
    • Basic Suspension: The lack of rear suspension may lead to a rougher ride on uneven surfaces, which could be a downside for longer trips.
    • Drum Brakes: While adequate for the era, the drum brakes may not provide the stopping performance that modern riders expect, especially in emergency situations.

    Technical details

    Source specification data

    Make
    DKW
    Model
    RT 125 2
    Category
    Sport
    Starter
    Kick
    Power
    5.70 HP (4.2 kW)) @ 5000 RPM
    Clutch
    Wet multiplate
    Gearbox
    3-speed
    Ignition
    Magneto
    Fuel System
    Carburettor
    Bore X Stroke
    52.0 x 58.0 mm (2.0 x 2.3 inches)
    Compression
    6.1:1
    Displacement
    123.00 ccm (7.51 cubic inches)
    Cooling System
    Air
    Engine Details
    Single cylinder, two-stroke
    Transmission Type Final Drive
    Chain
    Dry Weight
    86.0 kg (189.6 pounds)
    Fuel Capacity
    9.50 litres (2.51 gallons)
    Overall Width
    660 mm (26.0 inches)
    Overall Height
    660 mm (26.0 inches)
    Overall Length
    1,959 mm (77.1 inches)
    Power Weight Ratio
    0.0663 HP/kg
    Seat
    Single spring-mounted
    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
    Rear Brakes Diameter
    140 mm (5.5 inches)
    Front Brakes Diameter
    140 mm (5.5 inches)