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BMW R27
1961Allround

BMW R27

Key specifications

Engine
247 cc
Power
18 HP
Fuel type
petrol
Fuel capacity
4.0 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)

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)