
BMW R11 Series 1
Key specifications
Overview
### The Timeless Classic: 1929 BMW R11 Series 1 The 1929 BMW R11 Series 1 stands as a hallmark of early motorcycle engineering, capturing the spirit of adventure and innovation that defined the late 1920s. Positioned in the all-round category, this motorcycle embodies BMW's commitment to quality and performance, making it a favorite among vintage motorcycle collectors and enthusiasts alike. With its striking design and robust capabilities, the R11 not only paved the way for future BMW models but also left an indelible mark on the motorcycle world. At the heart of the R11 Series 1 is a powerful 745cc two-cylinder boxer engine that delivers a respectable 18 HP at 3,400 RPM. This four-stroke marvel offers a top speed of 95 km/h (59 mph), providing riders with a thrilling experience on open roads. The well-balanced bore and stroke of 78 mm each ensures smooth power delivery, while the air-cooled design keeps the engine running efficiently. With a fuel consumption of just 4.5 liters per 100 km, riders can enjoy extended journeys with fewer stops at the pump, making this machine a practical choice for long-distance touring. The three-speed gearbox and shaft drive offer reliable performance and ease of use, allowing both novice and experienced riders to navigate with confidence. The R11 Series 1 is not just about brute force; it boasts a set of features that enhance its riding experience. Its steel double cradle frame provides a sturdy foundation, while the plate spring front suspension offers a comfortable ride over varying terrains. The expanding drum brakes ensure adequate stopping power, with a 200 mm front brake diameter that inspires confidence even at higher speeds. The kick starter adds a touch of vintage charm and authenticity, connecting riders with the rich heritage of motorcycling. With a fuel capacity of 14 liters, the R11 is designed for the long haul, encouraging riders to explore the open road without limits. **
Pros
- Classic Design and Build Quality: The R11's timeless aesthetics and solid construction make it a standout in any collection.
- Efficient Fuel Consumption: With a commendable fuel consumption rate, this motorcycle allows for longer rides with fewer refueling stops.
- Smooth Power Delivery: The boxer engine layout provides a distinctive character and smooth acceleration, appealing to both enthusiasts and casual riders.
Cons
- Limited Top Speed: While 95 km/h is respectable for its time, it may feel underwhelming for modern riders seeking speed and thrill.
- Basic Suspension Setup: The rigid rear suspension may not provide the comfort expected by today’s standards, particularly on uneven surfaces.
- Kick Start Only: The absence of an electric starter might deter some riders looking for convenience, especially in urban settings.
Technical details
Source specification data
- Make
- BMW
- Model
- R11 Series 1
- 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
- 95.0 km/h (59.0 mph)
- Fuel System
- Carburettor. BMW single 24mm
- 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)
- Seat
- Spring-mounted seat
- Rear Tyre
- 3.25-26.00
- Frame Type
- Steel-double cradlel
- Front Tyre
- 3.25-26.00
- 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)