
BMW R11 Series 5
Key specifications
Overview
Introducing the 1934 BMW R11 Series 5: A Classic in the Allround Category Step back into the golden age of motorcycling with the 1934 BMW R11 Series 5, a bike that epitomizes the spirit of adventure and engineering excellence of its time. Recognized for its versatility, the R11 Series 5 was designed to cater to a wide audience, providing a perfect blend of performance and comfort. As one of the allround motorcycles in the BMW lineup, it was built to tackle everything from daily commutes to weekend excursions, making it a favorite among enthusiasts and everyday riders alike. The R11’s distinctive styling, characterized by its elegant lines and robust stance, continues to turn heads, evoking nostalgia and admiration for a bygone era. Under the hood, the R11 Series 5 boasts a powerful 745cc two-cylinder boxer engine, delivering nearly 20 horsepower at 4,000 RPM. This impressive output translates into a top speed of 112 km/h (69.6 mph), allowing riders to experience the thrill of the open road with confidence. The engine’s 5.5:1 compression ratio and a 24mm Amal carburettor ensure smooth power delivery and remarkable fuel efficiency, with a consumption rate of just 1.50 litres per 100 km (156.81 mpg). Coupled with a 3-speed gearbox and the reliable shaft drive system, the R11 provides a unique riding experience that combines stability with responsive handling, making it a joy to navigate through both city streets and winding country roads. The 1934 BMW R11 Series 5 is not just about performance; it’s also packed with features that showcase the innovative technology of its time. The steel double cradle frame provides robust support, while the plate spring front suspension offers a surprisingly comfortable ride, absorbing bumps with ease. The expanding drum brakes ensure reliable stopping power, a critical aspect of safety in the pre-war era. With a kickstarter and a fuel capacity of 14 liters, this motorcycle is ready for long journeys, allowing riders to embrace the freedom of the road with minimal interruptions. **
Pros
- Exceptional Fuel Efficiency: With a remarkable 156.81 mpg, the R11 Series 5 allows riders to travel further without frequent stops at the pump.
- Iconic Design: Its classic styling and distinctive boxer engine make it a true head-turner among vintage motorcycle enthusiasts.
- Smooth Handling: The combination of shaft drive and a well-engineered suspension system offers a stable, enjoyable ride across various terrains.
Cons
- Limited Power Output: While adequate for its time, the 19.99 HP may feel underpowered compared to modern motorcycles, limiting aggressive riding potential.
- Drum Brakes: The expanding drum brakes, though reliable, may not provide the same stopping power or responsiveness as contemporary disc brakes.
- Riding Comfort: The rigid rear suspension can lead to a less comfortable ride on bumpy roads, particularly on longer journeys.
Technical details
Source specification data
- Make
- BMW
- Model
- R11 Series 5
- Category
- Allround
- Starter
- Kick
- Power
- 19.99 HP (14.6 kW)) @ 4000 RPM
- Clutch
- Two plates-dry
- Gearbox
- 3-speed
- Ignition
- Magneto
- Top Speed
- 112.0 km/h (69.6 mph)
- Fuel System
- Carburettor. 24mm Amal
- 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
- 1.50 litres/100 km (66.7 km/l or 156.81 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)