DKW SB 500A 1937 - Specifications & Review

Introducing the 1937 DKW SB 500A

The 1937 DKW SB 500A stands as a remarkable testament to the engineering prowess of pre-war motorcycle design. Positioned in the all-round category, this bike was targeted at riders seeking both versatility and performance during an era when motorcycle technology was rapidly evolving. DKW, renowned for its innovative two-stroke engines, delivered a machine that appealed to enthusiasts and practical riders alike. With its distinctive styling and robust construction, the SB 500A carved a niche for itself, embodying the spirit of adventure that defined motorcycling in the late 1930s.

Engine Performance and Riding Characteristics

At the heart of the DKW SB 500A lies a robust 494cc twin-cylinder two-stroke engine, delivering a top speed of 115 km/h (71.5 mph). This powerplant, with a compression ratio of 5.7:1, is engineered for spirited performance, providing riders with a thrilling experience on both winding roads and open highways. The engine’s liquid cooling system ensures optimal performance even during extended rides, while the Bing carburettor facilitates smooth fuel delivery. Riders will appreciate the foot-operated clutch, which complements the bike's agile handling, making it easy to navigate through city streets or tackle longer journeys with finesse.

Key Features and Technology

The DKW SB 500A boasts a number of features that enhance its rideability and comfort. The girder fork coil spring front suspension offers a smoother ride over uneven terrain, while the rigid rear suspension provides stability. With expanding drum brakes at both the front and rear, riders can trust in the bike's stopping power, a critical aspect when exploring new stretches of road. Weighing in at 235 kg (518 pounds) and featuring a comfortable seat height of 675 mm (26.6 inches), this motorcycle accommodates a wide range of riders, ensuring an enjoyable experience for all. The electric starter is a nod to modernity, making the initial ignition a breeze, even for those less accustomed to the traditional kickstart methods of the time.

Pros and Cons

PROS:

1. Versatile Performance: The two-stroke engine provides a lively ride, ideal for both urban commuting and longer tours.
2. Comfortable Ride: The girder fork front suspension contributes to a smooth riding experience over various road conditions.
3. Fuel Efficiency: With a consumption rate of just 3.50 litres per 100 km (67.21 mpg), the SB 500A is economical for its era, making it a practical choice for everyday riding.

CONS:

1. Weight: At 235 kg, the motorcycle may feel a bit heavy for new riders, particularly in low-speed maneuvers.
2. Rigid Rear Suspension: While the rigidity provides stability, it may lead to a less comfortable ride on bumpy surfaces compared to more advanced suspension systems.
3. Limited Power Output: Compared to modern motorcycles, the performance might seem modest, potentially disappointing riders seeking higher horsepower and acceleration.

In summary, the 1937 DKW SB 500A is not just a motorcycle; it's a piece of history that reflects the innovation and spirit of its time. With its engaging performance, thoughtful engineering, and iconic design, it continues to captivate the hearts of vintage motorcycle enthusiasts.