
BMW R11 Series 3
Key specifications
Overview
Introducing the 1932 BMW R11 Series 3, a classic gem that holds a revered place in the annals of motorcycle history. As BMW's foray into the allround category, this motorcycle is a harmonious blend of style, engineering prowess, and innovative technology for its time. Designed for riders who sought both functionality and flair, the R11 Series 3 encapsulates the essence of early 20th-century motorcycling, offering enthusiasts a glimpse into the golden age of two-wheeled travel. With its distinctive boxer engine and quintessential BMW aesthetics, the R11 stands as a testament to the brand's commitment to performance and quality. At the heart of the R11 Series 3 lies a robust 745cc two-cylinder boxer engine, a configuration that has become synonymous with BMW motorcycles. This four-stroke powerhouse produces a respectable 18 horsepower at 3,400 RPM, providing a top speed of 100 km/h (62.1 mph). The engine boasts a compression ratio of 5.5:1, which, when paired with its single SUM CK 3/500 F 1 carburettor, ensures an efficient fuel consumption rate of just 4.5 liters per 100 km (52.27 mpg). Riders will appreciate the smooth power delivery and reliable performance, thanks to the three-speed gearbox and shaft drive, which help maintain a seamless riding experience, even on longer journeys. The R11 Series 3 is not just about raw power; it also showcases a thoughtful array of features that enhance both ride quality and safety. The steel double cradle frame provides a sturdy foundation for the motorcycle, while the front suspension employs plate springs for a comfortable ride over various terrains. The expanding drum brakes, with a 200 mm diameter at the front and 55 mm at the rear, ensure dependable stopping power. With a fuel capacity of 14 liters, the R11 is designed to fuel your adventures without frequent stops, making it a perfect companion for those long, winding country roads. Moreover, the kickstarter adds a touch of nostalgia, reminding riders of a more hands-on era of motorcycling. In conclusion, the 1932 BMW R11 Series 3 is a remarkable motorcycle that beautifully encapsulates a bygone era of engineering sophistication and style. Its combination of classic design, solid performance, and historical significance makes it a coveted choice for collectors and riding enthusiasts alike.
Pros
- Iconic Design: The R11’s classic aesthetics and boxer engine layout have made it a timeless piece of motorcycle history.
- Efficient Fuel Consumption: With a remarkable fuel efficiency of 52.27 mpg, the R11 is economical for its time, allowing for longer rides without frequent refueling.
- Smooth Power Delivery: The reliable three-speed gearbox and shaft drive provide a comfortable and seamless riding experience, ideal for both city and country rides.
Cons
- Limited Power Output: At just 18 horsepower, the R11 may feel underpowered compared to modern motorcycles, which could limit its appeal for performance enthusiasts.
- Rigid Rear Suspension: The rigid rear suspension, while historically accurate, may not offer the same level of ride comfort as modern suspension systems, especially on bumpy roads.
- Kickstarter Only: The reliance on a kickstarter may be less convenient for some riders accustomed to electric starters, potentially deterring novice enthusiasts.
Technical details
Source specification data
- Make
- BMW
- Model
- R11 Series 3
- Category
- Allround
- Starter
- Kick
- Carrying Capacity
- 210kg
- Power
- 18.00 HP (13.1 kW)) @ 3400 RPM
- Clutch
- Two plates-dry
- Gearbox
- 3-speed
- Ignition
- Magneto
- Top Speed
- 100.0 km/h (62.1 mph)
- Fuel System
- Carburettor. Single SUM CK 3/500 F 1
- Bore X Stroke
- 78.0 x 78.0 mm (3.1 x 3.1 inches)
- Compression
- 5.5:1
- Displacement
- 745.00 ccm (45.46 cubic inches)
- Cooling System
- Air
- Engine Details
- Two cylinder boxer, four-stroke
- Fuel Consumption
- 4.50 litres/100 km (22.2 km/l or 52.27 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Lubrication System
- Forced feed
- Transmission Type Final Drive
- Shaft drive (cardan)
- Fuel Capacity
- 14.00 litres (3.70 gallons)
- Overall Width
- 890 mm (35.0 inches)
- Overall Height
- 940 mm (37.0 inches)
- Overall Length
- 2,100 mm (82.7 inches)
- Weight Incl Oil Gas Etc
- 162.0 kg (357.1 pounds)
- Rear Tyre
- 3.50-26.00
- Frame Type
- Steel-double cradlel
- Front Tyre
- 3.50-26.00
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Rigid
- Front Suspension
- Plate springe
- Rear Brakes Diameter
- 55 mm (2.2 inches)
- Front Brakes Diameter
- 200 mm (7.9 inches)