
BMW R27
Key specifications
Overview
### Introducing the 1961 BMW R27: Classic Elegance Meets Practical Performance The 1961 BMW R27 stands as a testament to the rich heritage of German engineering, embodying a timeless blend of style and functionality that appeals to both seasoned riders and classic motorcycle enthusiasts alike. Positioned as an all-around motorcycle, the R27 was designed to cater to the needs of everyday riders, delivering a perfect balance between performance and comfort. With its iconic design and robust build, it has earned its place as a notable entry in BMW's illustrious lineup, making it a sought-after collectible in the vintage motorcycle market. ### Engine Performance and Riding Characteristics Beneath its elegant exterior lies a spirited 247cc single-cylinder, four-stroke engine that produces a respectable 17.95 HP at 7400 RPM. With a compression ratio of 8.2:1, the R27 generates enough power to achieve a top speed of 130 km/h (80.8 mph), making it an exhilarating ride for those who crave the thrill of the open road. The air-cooled engine, coupled with a smooth 4-speed gearbox, allows for effortless gear shifts, providing riders with an engaging and responsive experience. Fuel efficiency is another strong suit, with the R27 consuming just 3.90 liters per 100 km, which translates to an impressive 60.31 mpg, making it a practical choice for long journeys or daily commutes. ### Key Features and Technology The R27 is equipped with a sturdy steel twin-loop frame that not only enhances its aesthetic appeal but also contributes to its stability and handling. The motorcycle features drum brakes on both the front and rear, with a diameter of 160 mm (6.3 inches), providing reliable stopping power. The front suspension utilizes a cartridge system, while the rear suspension employs a twin shock-swingarm setup, offering a balanced ride on various terrains. Classic aesthetics are further complemented by its kick starter, which harkens back to a simpler time in motorcycling, ensuring that each ride begins with a touch of nostalgia. ###
Pros
Cons
- Timeless Design: The classic styling of the R27 is a head-turner, making it a favorite among vintage motorcycle collectors.
- Fuel Efficiency: With a consumption rate of only 3.90 liters per 100 km, it is economical for both long rides and daily use.
- Robust Build Quality: The steel twin-loop frame and reliable components ensure durability and longevity.
- Limited Power: The modest engine output may not satisfy riders looking for high-performance capabilities.
- Drum Brakes: While they provide decent stopping power, drum brakes are generally less effective than modern disc brakes, especially under heavy braking.
- Kick Starter Only: The lack of an electric starter may deter some riders who prefer the convenience of modern starting systems.
Technical details
Source specification data
- Make
- BMW
- Model
- R27
- Category
- Allround
- Starter
- Kick
- Carrying Capacity
- 325kg-with sidecar 480kg
- Power
- 17.95 HP (13.1 kW)) @ 7400 RPM
- Clutch
- Single plate dry-cable operated
- Gearbox
- 4-speed
- Ignition
- Battery
- Top Speed
- 130.0 km/h (80.8 mph)
- Fuel System
- Carburettor. Bing
- Bore X Stroke
- 68.0 x 68.0 mm (2.7 x 2.7 inches)
- Compression
- 8.2:1
- Displacement
- 247.00 ccm (15.07 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Fuel Consumption
- 3.90 litres/100 km (25.6 km/l or 60.31 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Lubrication System
- Wet sump
- Transmission Type Final Drive
- Shaft drive (cardan)
- Fuel Capacity
- 15.00 litres (3.96 gallons)
- Overall Width
- 660 mm (26.0 inches)
- Overall Height
- 975 mm (38.4 inches)
- Overall Length
- 2,090 mm (82.3 inches)
- Ground Clearance
- 105 mm (4.1 inches)
- Weight Incl Oil Gas Etc
- 162.0 kg (357.1 pounds)
- Seat
- Spring-mounted seat
- Rear Tyre
- 3.27-18
- Frame Type
- Steel twin looped
- Front Tyre
- 3.27-18
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Twin shock-Swingarm
- Front Suspension
- Cartridge
- Rear Brakes Diameter
- 160 mm (6.3 inches)
- Front Brakes Diameter
- 160 mm (6.3 inches)