
DKW SB 500A
Key specifications
Overview
### Introducing the DKW SB 500A The 1934 DKW SB 500A is a remarkable piece of engineering that stands as a testament to the pioneering spirit of early motorcycle design. Positioned in the allround category, this motorcycle was built to cater to a diverse range of riders, from everyday commuters to adventure seekers looking for a reliable companion on their journeys. With its distinctive styling and robust performance, the SB 500A quickly found favor among enthusiasts and riders alike, making it a noteworthy model in DKW's storied history. ### Engine Performance and Riding Characteristics At the heart of the DKW SB 500A lies a 494cc twin-cylinder, two-stroke engine that exudes character and charm. With a compression ratio of 5.7:1, this powerplant delivers an exhilarating top speed of 115 km/h (71.5 mph), making it a spirited performer on both urban streets and open roads. The engine's design boasts a bore and stroke of 68mm by 68mm, resulting in a well-balanced output that provides both torque and throttle response. Coupled with a Bing carburettor, the SB 500A achieves a commendable fuel consumption rate of just 3.50 litres per 100 km (67.21 mpg), making it a practical choice for long-distance rides. Riders can expect a smooth, engaging experience thanks to the foot-operated oil bath multidisc clutch and chain final drive, ensuring seamless gear transitions and a direct connection to the road. ### Key Features and Technology The DKW SB 500A is not just about engine performance; it is also equipped with features that enhance rider comfort and safety. The motorcycle features robust drum brakes, both front and rear, measuring a substantial 200mm in diameter, providing dependable stopping power. The front suspension utilizes a girder fork with a coil spring, offering a blend of rigidity and comfort over varied terrain, while the rigid rear suspension maintains a classic aesthetic without compromising stability. With an adjustable seat height of 675mm, the bike accommodates riders of various statures, ensuring a comfortable riding experience. An electric starter adds a modern touch, allowing for effortless ignition and increased convenience when embarking on your next adventure. ###
Pros
Cons
- Exceptional Fuel Efficiency: With a consumption rate of 3.50 litres/100 km, the SB 500A is economical, making it ideal for long rides.
- Classic Design: Its timeless styling and robust engineering appeal to vintage motorcycle enthusiasts and collectors.
- Smooth Performance: The twin-cylinder engine provides a balanced mix of power and torque, making it an enjoyable ride for various terrains.
- Weight: At 235 kg (518 lbs), the SB 500A may feel heavy for some riders, especially during low-speed maneuvers.
- Limited Suspension Travel: The rigid rear suspension may not absorb bumps as effectively as modern designs, potentially affecting comfort on rough surfaces.
- Drum Brakes: While effective for their time, the drum brakes may not offer the same stopping power and responsiveness as contemporary disc brake systems.
Technical details
Source specification data
- Make
- DKW
- Model
- SB 500A
- Category
- Allround
- Light
- Twin headlights
- Starter
- Electric
- Clutch
- Foot-operated-oil bath multidisc
- Top Speed
- 115.0 km/h (71.5 mph)
- Engine Type
- Combined two 247cc cylinders on a single block
- Fuel System
- Carburettor. Bing
- Bore X Stroke
- 68.0 x 68.0 mm (2.7 x 2.7 inches)
- Compression
- 5.7:1
- Displacement
- 494.00 ccm (30.14 cubic inches)
- Engine Details
- Twin, two-stroke
- Fuel Consumption
- 3.50 litres/100 km (28.6 km/l or 67.21 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Transmission Type Final Drive
- Chain
- Dry Weight
- 235.0 kg (518.1 pounds)
- Seat Height
- 675 mm (26.6 inches) If adjustable, lowest setting.
- Fuel Capacity
- 13.00 litres (3.43 gallons)
- Overall Length
- 2,125 mm (83.7 inches)
- Rear Tyre
- 3.50-19
- Front Tyre
- 3.50-19
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Rigid-
- Front Suspension
- Girder fork coil spring
- Rear Brakes Diameter
- 200 mm (7.9 inches)
- Front Brakes Diameter
- 200 mm (7.9 inches)