Back to Bike FinderYears: 1941 · 1940 · 1939 · 1938
BMW R66
1941Allround

BMW R66

Key specifications

Engine
596 cc
Power
30 HP
Fuel type
petrol
Fuel capacity
3.7 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

Overview

1941 BMW R66: A Timeless Classic of German Engineering The 1941 BMW R66 stands as a proud testament to the golden age of motorcycle engineering, embodying the quintessential spirit of the early 20th century. Positioned within the allround category, this bike was designed for versatility, catering to a diverse range of riders. With its iconic boxer engine and impeccable build quality, the R66 captures the hearts of enthusiasts who appreciate both classic aesthetics and the rugged reliability that BMW motorcycles are renowned for. As World War II loomed, the R66 strived to offer a blend of performance and practicality, solidifying its place in motorcycle history. At the core of the R66 lies a robust 596cc two-cylinder boxer engine, delivering a respectable 30.05 horsepower at 5,300 RPM. This four-stroke marvel not only provides ample power for cruising on highways but also offers a surprisingly smooth ride for longer journeys. With a top speed of 145 km/h (90.1 mph), the R66 is capable of keeping up with contemporary traffic, making it an exciting ride for those looking to relive the golden days of motorcycling. The air-cooled engine, paired with a 4-speed gearbox and shaft drive, ensures that power is transferred efficiently to the wheels, creating a seamless driving experience that enthusiasts crave. Beyond its powerful engine, the R66 features thoughtful engineering that enhances rider comfort and handling. The double steel loop frame provides a sturdy foundation, while the twin-shock swingarm rear suspension offers a balanced ride over varied terrains. The drum brakes, both front and rear, maintain an effective stopping power, ensuring safety without compromising the bike's vintage charm. With a fuel capacity of 14 liters (3.70 gallons), the R66 is well-equipped for those long rides through the countryside, inviting riders to explore the open road with confidence. The kick-starter adds a nostalgic touch, allowing riders to connect with the bike in a way that modern electric starters simply cannot replicate. **

Pros

  • Classic Design: Timeless aesthetics that appeal to vintage motorcycle enthusiasts.
  • Smooth Ride: The boxer engine offers a unique low center of gravity, enhancing stability and comfort.
  • Durable Build: High-quality German engineering ensures longevity and reliability.

Cons

  • Limited Speed: While capable, its top speed may not satisfy riders looking for extreme performance.
  • Heavier Weight: At 187 kg (412.3 lbs), it may feel cumbersome compared to lighter motorcycles.
  • Kick Start Only: The absence of an electric start can be a drawback for some riders, especially in less favorable conditions.

Technical details

Source specification data

Make
BMW
Model
R66
Category
Allround
Starter
Kick
Carrying Capacity
210kg-500kg with sidecar
Power
30.05 HP (21.9 kW)) @ 5300 RPM
Clutch
Dry-single plate-cable operated
Gearbox
4-speed
Ignition
Forced feed
Top Speed
145.0 km/h (90.1 mph)
Fuel System
Carburettor. 26mm
Bore X Stroke
69.8 x 78.0 mm (2.7 x 3.1 inches)
Compression
6.8:1
Displacement
596.00 ccm (36.37 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
14.00 litres (3.70 gallons)
Overall Width
815 mm (32.1 inches)
Overall Height
960 mm (37.8 inches)
Overall Length
2,130 mm (83.9 inches)
Weight Incl Oil Gas Etc
187.0 kg (412.3 pounds)
Wheels
Spoked
Rear Tyre
3.5-19
Frame Type
Doble steel loop
Front Tyre
3.5-19
Rear Brakes
Expanding brake (drum brake)
Front Brakes
Expanding brake (drum brake)
Rear Suspension
Twin shock-Swingarm
Front Suspension
Cartridge
Rear Brakes Diameter
200 mm (7.9 inches)
Front Brakes Diameter
200 mm (7.9 inches)