BMW R42 1927 - Specifications & Review

R42

Article Complete Info

Articleid942035
CategoryAllround
MakeBMW
ModelR42
Year1927

Chassis, Suspension, Brakes & Wheels

FrametypeSteel doble cradle
FrontbrakesExpanding brake (drum brake)
Frontbrakesdiameter150 mm (5.9 inches)
FrontsuspensionLeading link
Fronttyre3.5-26
RearsuspensionRigid
Reartyre3.5-26
SeatSingle seat

Engine & Transmission

Borexstroke68.0 x 68.0 mm (2.7 x 2.7 inches)
ClutchDry-single plate-cable operated
Compression4.9:1
CoolingsystemAir
Displacement494.00 ccm (30.14 cubic inches)
EnginedetailsTwo cylinder boxer, four-stroke
Fuelconsumption3.00 litres/100 km (33.3 km/l or 78.41 mpg)
FuelsystemCarburettor. 20mm BMW Spezial
Gearbox3-speed
Greenhousegases69.6 CO2 g/km. (CO2 - Carbon dioxide emission)
LubricationsystemWet sump
Power11.96 HP (8.7 kW)) @ 3400 RPM
Topspeed95.0 km/h (59.0 mph)
TransmissiontypefinaldriveShaft drive (cardan)

Other Specifications

StarterKick

Physical Measures & Capacities

Overallheight950 mm (37.4 inches)
Overalllength2,100 mm (82.7 inches)
Overallwidth800 mm (31.5 inches)
Weightincloilgasetc126.0 kg (277.8 pounds)

About BMW R42 1927

Introducing the 1927 BMW R42: The Icon of Classic Motorcycling

Step into the world of classic motorcycling with the 1927 BMW R42, a motorcycle that embodies the spirit of innovation and craftsmanship that BMW is renowned for. Positioned as an allround motorcycle, the R42 was designed to meet the demands of a growing post-war market, offering both practicality and performance. Its charming aesthetics are matched only by its robust engineering, making it a standout choice for enthusiasts and collectors alike. With its unmistakable silhouette and captivating history, the R42 is not just a motorcycle; it’s a testament to an era of elegance and functionality.

Engine Performance and Riding Characteristics

At the heart of the R42 lies a 494 cc two-cylinder boxer engine that delivers an impressive 11.96 horsepower at 3,400 RPM. This four-stroke powerhouse is ingeniously designed with a balanced 4.9:1 compression ratio, allowing for smooth power delivery and a surprisingly brisk top speed of 95 km/h (59 mph). The air-cooled engine, combined with a 3-speed gearbox and a reliable shaft drive, provides a unique riding experience that’s both exhilarating and manageable for riders of all skill levels. With a fuel consumption of just 3.00 liters per 100 km (78.41 mpg), the R42 proves to be an economical choice for those long, scenic rides. The leading-link front suspension and rigid rear ensure a stable ride, whether cruising through the countryside or navigating city streets.

Key Features and Technology

The R42 showcases several key features that highlight BMW's commitment to quality and innovation. Its steel double cradle frame not only adds to its durability but also enhances handling, while the expanding front drum brake ensures reliable stopping power. With a front brake diameter of 150 mm (5.9 inches), safety is prioritized without compromising on style. The motorcycle's dimensions, with a length of 2,100 mm and a weight of 126 kg (277.8 pounds), strike a perfect balance between agility and stability, making it easy to maneuver in various conditions. Additionally, the kick starter brings a sense of nostalgia, allowing riders to connect with the traditional methods of starting their machines.

Pros and Cons of the 1927 BMW R42

Pros:

  1. Vintage Charm: The R42’s classic design and iconic boxer engine make it a standout in any collection.
  2. Economical Performance: With its impressive fuel efficiency and manageable power output, it’s perfect for both leisurely rides and spirited adventures.
  3. Robust Engineering: The combination of a durable steel frame and reliable shaft drive contributes to a stable and enjoyable riding experience.

Cons:

  1. Limited Speed: While 95 km/h is decent for its time, modern riders may find it lacking in acceleration compared to contemporary motorcycles.
  2. Basic Features: The technology and features may seem rudimentary by today’s standards, lacking the advancements common in modern bikes.
  3. Maintenance Needs: As a vintage motorcycle, the R42 may require more frequent upkeep and attention than newer models, which could be a consideration for potential owners.

In summary, the 1927 BMW R42 encapsulates the essence of classic motorcycling, offering a blend of historical significance, reliable performance, and timeless aesthetics. Whether you’re a seasoned collector or a newcomer drawn to the allure of vintage bikes, the R42 promises an engaging and unforgettable ride.

Bike n Rider logo
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.