BMW R20 1938 - Specifications & Review

R20

Article Complete Info

Articleid356622
CategoryAllround
MakeBMW
ModelR20
Year1938

Chassis, Suspension, Brakes & Wheels

FrametypeSteel-single cradlel
FrontbrakesExpanding brake (drum brake)
Frontbrakesdiameter160 mm (6.3 inches)
FrontsuspensionTelescopic fork
Fronttyre2.99-19
RearbrakesExpanding brake (drum brake)
Rearbrakesdiameter160 mm (6.3 inches)
RearsuspensionRigid
Reartyre2.99-19
SeatSolo seat with springs

Engine & Transmission

Borexstroke63.0 x 64.0 mm (2.5 x 2.5 inches)
ClutchDry-multiplate-cable operated
Compression6.1:1
CoolingsystemAir
Displacement192.00 ccm (11.72 cubic inches)
EnginedetailsSingle cylinder, four-stroke
FuelsystemCarburettor
Gearbox3-speed
IgnitionBattery
LubricationsystemWet sump
Power8.02 HP (5.9 kW)) @ 5400 RPM
Topspeed95.0 km/h (59.0 mph)
TransmissiontypefinaldriveShaft drive (cardan)

Other Specifications

StarterKick

Physical Measures & Capacities

Fuelcapacity12.00 litres (3.17 gallons)
Overallheight900 mm (35.4 inches)
Overalllength2,000 mm (78.7 inches)
Overallwidth800 mm (31.5 inches)
Weightincloilgasetc130.0 kg (286.6 pounds)

About BMW R20 1938

Introducing the 1938 BMW R20, a classic gem that epitomizes the charm and engineering prowess of pre-war motorcycles. Positioned within the allround category, the R20 was designed for versatility, appealing to both commuting riders and weekend adventurers. BMW's commitment to quality and performance is evident in its design, making it one of the standout motorcycles of its era. With its sleek lines and robust build, the R20 is not just a mode of transport; it’s a piece of history that continues to capture the hearts of motorcycle enthusiasts and collectors alike.

At the heart of the R20 is its single-cylinder, four-stroke engine, boasting a displacement of 192cc. This powerplant generates a respectable 8.02 HP at 5400 RPM, delivering a top speed of 95 km/h (59 mph). While not designed for blistering speed, the R20 offers a delightful riding experience characterized by smooth acceleration and a pleasing thrum from its air-cooled engine. The 3-speed gearbox, combined with the reliable shaft drive, ensures a seamless transition between gears, allowing riders to navigate urban environments or open roads with ease. The bike’s compression ratio of 6.1:1 enhances its torque delivery, making it an enjoyable ride for enthusiasts who appreciate a leisurely pace.

The R20 is rich in features that reflect the technological advancements of its time. Its steel single cradle frame provides sturdy support, while the telescopic front fork and rigid rear suspension offer a balanced ride. The dual 160 mm drum brakes, found on both the front and rear, provide adequate stopping power for the era, ensuring safety without compromising the classic aesthetic. Additionally, the kick starter adds a nostalgic touch, harking back to simpler times in motorcycling. With a fuel capacity of 12 liters, the R20 is built for longer rides, allowing riders to explore without frequent stops.

PROs:

  1. Classic Aesthetic: Timeless design that appeals to vintage motorcycle enthusiasts and collectors.
  2. Reliable Engine: The air-cooled, single-cylinder engine is known for its durability and ease of maintenance.
  3. Smooth Ride: The combination of a shaft drive and telescopic front suspension ensures a comfortable riding experience.

CONs:

  1. Limited Power: With just over 8 HP, acceleration is modest, which may not satisfy speed enthusiasts.
  2. Basic Technology: Lacks modern features such as electric starting or advanced braking systems, which some riders may find inconvenient.
  3. Weighty Build: At 130 kg (286.6 lbs), it can feel a bit heavy compared to contemporary lightweight motorcycles, especially for novice riders.

The 1938 BMW R20 remains a beloved choice among vintage motorcycle aficionados, offering a unique blend of charm, performance, and historical significance. Whether you’re a seasoned rider or a budding enthusiast, this motorcycle invites you to embrace the open road in classic style.

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