Back to Bike FinderYears: 1926 · 1925 · 1924 · 1923
BMW R32
1923Naked

BMW R32

Key specifications

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

Overview

Introducing the 1923 BMW R32, a pioneering naked bike that stands as a testament to the ingenuity of early motorcycle engineering. Launched during a time when the motorcycle world was ripe for innovation, the R32 represents BMW's first foray into motorcycle production, setting a benchmark for future models. With its distinctive design and robust performance capabilities, the R32 quickly carved a niche for itself among enthusiasts who appreciated both its aesthetic charm and its functional prowess. Today, it holds a revered place in motorcycle history as a symbol of the brand's longstanding commitment to excellence and performance. At the heart of the R32 lies a 494cc two-cylinder boxer engine, which delivers an unassuming yet respectable 8.57 horsepower at 3,200 RPM. This four-stroke powerplant provides a unique riding experience that is both smooth and responsive, perfectly complementing the bike's lightweight frame. Riders can expect a top speed of 95 km/h (59 mph), which, while modest by modern standards, was impressive for its time. The bike’s 3-speed gearbox and shaft drive (cardan) system facilitate seamless power delivery, allowing for a comfortable and engaging ride. Coupled with a fuel consumption of just 3.00 litres per 100 km, the R32 offers delightful efficiency, making it a practical choice for both leisure rides and everyday use. The R32's engineering brilliance extends beyond its engine. The bike features a sturdy steel double cradle frame that provides excellent stability and handling, complemented by a leading link front suspension that enhances ride comfort. The drum brakes on both front and rear, while archaic by today’s standards, were cutting-edge at the time, ensuring reliable stopping power. With a fuel capacity of 14 litres, riders can embark on longer journeys without frequent refueling stops. The kick starter adds a nostalgic touch, reminding riders of the mechanical simplicity that characterized early motorcycles. The R32 is not just a bike; it’s a piece of history that merges classic design with practical functionality. **

Pros

  • Historical Significance: As BMW's first motorcycle, the R32 is a must-have for collectors and enthusiasts, representing a pivotal moment in motorcycle history.
  • Unique Boxer Engine: The two-cylinder boxer engine provides a distinctive riding experience, delivering smooth power and impressive efficiency.
  • Durable Construction: With its robust steel frame and reliable drum brakes, the R32 is built to withstand the rigors of riding, making it a reliable companion.

Cons

  • Limited Power Output: With only 8.57 HP, the R32 may feel underpowered for modern riders accustomed to more powerful machines.
  • Basic Suspension: The rigid rear suspension may not provide the level of comfort and handling that contemporary motorcycles offer.
  • Kick Start Only: The absence of an electric starter might be a challenge for some riders, especially when starting the bike in less-than-ideal conditions.

Technical details

Source specification data

Make
BMW
Model
R32
Category
Naked bike
Starter
Kick
Carrying Capacity
184kg
Power
8.57 HP (6.3 kW)) @ 3200 RPM
Clutch
Single plate dry-cable operated
Gearbox
3-speed
Ignition
Magneto
Top Speed
95.0 km/h (59.0 mph)
Fuel System
Carburettor. 22 BMW Spezial
Bore X Stroke
68.0 x 68.0 mm (2.7 x 2.7 inches)
Compression
5.1:1
Displacement
494.00 ccm (30.14 cubic inches)
Cooling System
Air
Engine Details
Two cylinder boxer, four-stroke
Fuel Consumption
3.00 litres/100 km (33.3 km/l or 78.41 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
122.0 kg (269.0 pounds)
Seat
Spring-mounted seat
Rear Tyre
2.99-26
Frame Type
Steel doble cradle
Front Tyre
2.99-26
Rear Brakes
Expanding
brake (drum brake).
Block
brake
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)