BMW R37
1926Allround

BMW R37

Key specifications

Engine
494 cc
Power
16 HP
Fuel type
petrol
Fuel capacity
3.7 L
Transmission
3-speed
Front brakes
Expanding brake (drum brake)

Overview

### 1926 BMW R37: A Pioneering Classic of Its Era The 1926 BMW R37 stands as a remarkable testament to the ingenuity and craftsmanship that defined early 20th-century motorcycling. Positioned as an all-rounder, this motorcycle was designed to cater to a diverse audience, appealing to both spirited riders and those seeking reliable transportation. With its striking design that elegantly marries function and form, the R37 is a prime example of BMW's commitment to quality and performance, setting the stage for the brand's illustrious future in the motorcycle industry. At the heart of the R37 lies a robust 494cc two-cylinder boxer engine, which delivers a respectable 16.04 horsepower at 4,000 RPM. This four-stroke powerhouse, with its 6.2:1 compression ratio, provides not only a commendable top speed of 115 km/h (71.5 mph) but also an impressive fuel efficiency of 4.00 liters per 100 km (58.81 mpg). Riders will appreciate the smooth power delivery and distinctive sound of the boxer design, which offers a unique character that enhances the overall riding experience. The three-speed gearbox, complemented by a reliable shaft drive, ensures that shifting is both straightforward and efficient, making the R37 an enjoyable ride for both seasoned motorcyclists and newcomers alike. The R37’s chassis is characterized by a steel double cradle frame, providing stability and strength while maintaining a lightweight feel. Its leading link front suspension and rigid rear setup are engineered to handle a variety of road conditions, making it a versatile companion for both urban commutes and country excursions. With drum brakes measuring 150 mm in diameter at both the front and rear, the R37 offers adequate stopping power for its time. Meanwhile, the 14-liter fuel tank ensures that riders can embark on longer journeys without the constant worry of refueling. ####

Pros

    Cons

    • Classic Boxer Engine: The two-cylinder boxer engine provides a unique riding experience with its smooth power delivery and distinctive sound.
    • Fuel Efficiency: With an impressive fuel consumption rate of 58.81 mpg, the R37 allows for long rides between refuels, ideal for adventure enthusiasts.
    • Quality Craftsmanship: The robust steel frame and reliable components reflect BMW's commitment to quality, ensuring durability and performance.
    • Limited Power: At just over 16 HP, the power output may feel modest for riders accustomed to modern machines with significantly higher horsepower.
    • Basic Suspension: The rigid rear suspension may not provide the comfort level expected by contemporary riders, especially on bumpy roads.
    • Kick Start Only: The absence of an electric starter means that riders must rely on the traditional kick start, which may be a hurdle for those unfamiliar with older motorcycles.

    Technical details

    Source specification data

    Make
    BMW
    Model
    R37
    Category
    Allround
    Starter
    Kick
    Power
    16.04 HP (11.7 kW)) @ 4000 RPM
    Clutch
    Single plate dry-cable operated
    Gearbox
    3-speed
    Ignition
    Bosh magento
    Top Speed
    115.0 km/h (71.5 mph)
    Fuel System
    Carburettor. 26mm
    Bore X Stroke
    68.0 x 68.0 mm (2.7 x 2.7 inches)
    Compression
    6.2:1
    Displacement
    494.00 ccm (30.14 cubic inches)
    Cooling System
    Air
    Engine Details
    Two cylinder boxer, four-stroke
    Fuel Consumption
    4.00 litres/100 km (25.0 km/l or 58.81 mpg)
    Greenhouse Gases
    O2
    g/km. (
    O2
    -
    Carbon
    dioxide emission)
    Lubrication System
    Wet sump
    Transmission Type Final Drive
    Shaft drive (cardan)
    Fuel Capacity
    14.00 litres (3.70 gallons)
    Overall Width
    800 mm (31.5 inches)
    Overall Height
    950 mm (37.4 inches)
    Overall Length
    2,100 mm (82.7 inches)
    Weight Incl Oil Gas Etc
    134.0 kg (295.4 pounds)
    Rear Tyre
    2.99-26
    Frame Type
    Steel doble cradle
    Front Tyre
    2.99-26
    Front Brakes
    Expanding brake (drum brake)
    Rear Suspension
    Rigid
    Front Suspension
    Leading link
    Rear Brakes Diameter
    150 mm (5.9 inches)
    Front Brakes Diameter
    150 mm (5.9 inches)