Back to Bike FinderYears: 1969 · 1968 · 1967
BMW R50US
1969Allround

BMW R50US

Key specifications

Engine
494 cc
Power
26 HP
Fuel type
petrol
Fuel capacity
4.5 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake). Duplex full hub
Rear brakes
Expanding brake (drum brake). Simplex full hub

Overview

Introducing the 1969 BMW R50US, a classic that embodies the spirit of the open road while delivering a unique blend of performance and practicality. Positioned within BMW's storied lineage of motorcycles, the R50US was designed for all-round enthusiasts who sought reliability and comfort in their rides. With its iconic boxer engine and timeless styling, this motorcycle stands as a testament to BMW's engineering prowess of the late '60s, appealing to both collectors and riders who appreciate the vintage motorcycle era's allure. At the heart of the R50US lies a robust 494cc two-cylinder boxer engine. This four-stroke powerhouse produces a respectable 25.97 horsepower at 5800 RPM, allowing riders to reach a top speed of 140 km/h (87 mph). The 7.5:1 compression ratio, combined with a precisely tuned 24mm Bing carburettor, ensures smooth acceleration and responsiveness. The bike's 4-speed gearbox, paired with a shaft drive, offers a seamless transition between gears, enhancing the overall riding experience. The R50US delivers an engaging ride, whether navigating city streets or cruising on the highway, thanks to its balanced weight of 195 kg (429.9 pounds) and refined suspension system featuring twin rear shocks and a cartridge front suspension. The 1969 R50US is not only about performance; it’s adorned with features that reflect BMW's commitment to rider comfort and safety. The dual drum brakes—200 mm in diameter—provide ample stopping power, ensuring that riders feel in control at all times. The classic steel double cradle frame adds structural integrity while maintaining a lightweight feel. The bike's kick starter, though nostalgic, epitomizes the simplicity and charm of the era. With a fuel capacity of 17 liters (4.49 gallons), the R50US offers impressive range for those long rides through the countryside, making it an ideal companion for both short jaunts and extended adventures. In summary, the 1969 BMW R50US is a motorcycle that captures the essence of its time, offering a delightful blend of performance, comfort, and classic styling, making it a cherished choice for any vintage motorcycle aficionado.

Pros

  • Timeless Design: The R50US boasts classic aesthetics that appeal to vintage motorcycle enthusiasts.
  • Smooth Handling: With an excellent suspension setup and balanced weight distribution, the bike offers great maneuverability.
  • Durable Engine: The reliable boxer engine design contributes to longevity and easy maintenance.

Cons

  • Limited Power: At 25.97 HP, it may struggle to keep up with modern traffic and highway speeds, especially on steep inclines.
  • Kick Starter: The absence of an electric starter can be cumbersome for some riders, especially in inclement weather.
  • Weight: While not excessively heavy for its category, the bike's weight can be a challenge for newer riders or those maneuvering in tight spaces.

Technical details

Source specification data

Make
BMW
Model
R50US
Category
Allround
Starter
Kick
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
7.5:1
Displacement
494.00 ccm (30.14 cubic inches)
Cooling System
Air
Engine Details
Two cylinder boxer, four-stroke
Lubrication System
Wet sump
Transmission Type Final Drive
Shaft drive (cardan)
Fuel Capacity
17.00 litres (4.49 gallons)
Overall Width
660 mm (26.0 inches)
Overall Height
980 mm (38.6 inches)
Overall Length
2,137 mm (84.1 inches)
Weight Incl Oil Gas Etc
195.0 kg (429.9 pounds)
Rear Tyre
4.02-18.00
Frame Type
Steel doble cradle
Front Tyre
3.50-18.00
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)