
BMW R50
Key specifications
Overview
Introducing the 1955 BMW R50: A Timeless Classic In the mid-1950s, the motorcycle landscape was rapidly evolving, but the 1955 BMW R50 stood out with its unique blend of engineering excellence and classic charm. Positioned as an allrounder, the R50 was designed to cater to both the daily commuter and the weekend adventurer. With its iconic boxer engine and elegant lines, it captured the hearts of riders who appreciated not just performance, but also the distinctive style that BMW is renowned for. As a quintessential example of German craftsmanship, the R50 remains a sought-after classic among motorcycle enthusiasts and collectors alike. Engine Performance and Riding Characteristics At the heart of the R50 lies a robust air-cooled, two-cylinder boxer engine that displaces 494cc and produces a respectable 25.97 horsepower at 5800 RPM. This engine configuration not only delivers smooth power delivery but also contributes to the motorcycle's low center of gravity, enhancing stability during rides. Riders can expect a top speed of 140 km/h (87.0 mph), making it a capable machine for both highway cruising and city commuting. The 4-speed gearbox complements the engine well, allowing for seamless shifts and an enjoyable riding experience. With a fuel consumption of just 4.1 liters per 100 km, the R50 is remarkably efficient, making it a practical choice for those long rides through the countryside. Key Features and Technology The 1955 R50 showcases a steel double loop tubular frame, coupled with a combination of drum brakes and twin-shock swingarm rear suspension, ensuring a balanced ride that can handle various road conditions with ease. The expanding drum brakes—200 mm in diameter both front and rear—provide dependable stopping power, instilling confidence in riders navigating through the bustling streets or winding mountain roads. Notably, the bike features a kick starter, emphasizing a nostalgic touch that many classic enthusiasts cherish. With its elegant dimensions of 2,125 mm in length, 660 mm in width, and a height of 980 mm, the R50 is compact yet comfortable, making it an ideal fit for riders of different sizes. **
Pros
Cons
- Classic Design: The R50's timeless aesthetics and BMW's signature boxer engine make it a standout motorcycle.
- Fuel Efficiency: With a consumption rate of 57.37 mpg, it’s a frugal choice for long rides.
- Stability and Comfort: The low center of gravity and sophisticated suspension system contribute to a smooth riding experience.
- Limited Power: At 25.97 HP, some riders may find it underpowered compared to modern motorcycles.
- Drum Brakes: While effective for their time, the drum brakes may lack the stopping power and responsiveness of contemporary disc brakes.
- Kick Starter Only: The absence of an electric start may deter some riders who prefer the convenience of modern technology.
Technical details
Source specification data
- Make
- BMW
- Model
- R50
- Category
- Allround
- Starter
- Kick
- Carrying Capacity
- 360kg-with sidecar 600kg
- Power
- 25.97 HP (19.0 kW)) @ 5800 RPM
- Clutch
- Dry-single plate-cable operated
- Gearbox
- 4-speed
- Ignition
- Magneto
- Top Speed
- 140.0 km/h (87.0 mph)
- Fuel System
- Carburettor. 24mm Bing
- Bore X Stroke
- 68.0 x 68.0 mm (2.7 x 2.7 inches)
- Compression
- 6.8:1
- Displacement
- 494.00 ccm (30.14 cubic inches)
- Cooling System
- Air
- Engine Details
- Two cylinder boxer, four-stroke
- Fuel Consumption
- 4.10 litres/100 km (24.4 km/l or 57.37 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Lubrication System
- Wet sump
- Transmission Type Final Drive
- Shaft drive (cardan)
- Overall Width
- 660 mm (26.0 inches)
- Overall Height
- 980 mm (38.6 inches)
- Overall Length
- 2,125 mm (83.7 inches)
- Weight Incl Oil Gas Etc
- 195.0 kg (429.9 pounds)
- Seat
- Single seat
- Rear Tyre
- 3.50-18
- Frame Type
- Steel doble loop tubular
- Front Tyre
- 3.50-18
- Rear Brakes
- Expanding
- brake (drum brake).
- Simplex
- full hub
- Front Brakes
- Expanding
- brake (drum brake).
- Duplex
- full hub
- Rear Suspension
- Twin shock-Swingarm
- Front Suspension
- Cartridge
- Rear Brakes Diameter
- 200 mm (7.9 inches)
- Front Brakes Diameter
- 200 mm (7.9 inches)