1961 BMW R27

Specifications
- Category
- Allround
- Displacement
- 247.0 ccm (15.07 cubic inches)
- Displacement (cc)
- 247.00
- Engine details
- Single cylinder, four-stroke
- Power
- 18.0 HP (13.1 kW) @ 7400 RPM
- Top speed
- 130.0 km/h (80.8 mph)
- Compression
- 8.2:1
- Bore × stroke
- 68.0 x 68.0 mm (2.7 x 2.7 inches)
- Fuel system
- Carburettor. Bing
- Fuel control
- Overhead Valves (OHV)
- Ignition
- Battery
- Lubrication
- Wet sump
- Cooling
- Air
- Gearbox
- 4-speed
- Transmission
- Shaft drive (cardan) (final drive)
- Clutch
- Single plate dry-cable operated
- Frame
- Steel twin looped
- Front suspension
- Cartridge
- Rear suspension
- Twin shock-Swingarm
- Front tyre
- 3.27-18
- Rear tyre
- 3.27-18
- Front brakes
- Expanding brake (drum brake)
- Front brake Ø
- 160 mm (6.3 inches)
- Rear brakes
- Expanding brake (drum brake)
- Rear brake Ø
- 160 mm (6.3 inches)
- Wet weight
- 162.0 kg (357.1 pounds)
- Height
- 975 mm (38.4 inches)
- Length
- 2090 mm (82.3 inches)
- Width
- 660 mm (26.0 inches)
- Wheelbase
- 965 mm (38.0 inches)
- Fuel capacity
- 15.00 litres (3.96 US gallons)
- Starter
- Kick
The 1961 BMW R27
1961 BMW R27 sits at the top of BMW's single-cylinder line, the last and most refined version of a design that had carried the company's smaller bikes since the postwar years. This is a single-cylinder four-stroke built for steady, unhurried travel rather than any kind of sporting pretense, and it shows in how it behaves on the road: smooth for a single thanks to a rubber-mounted engine, easy to maintain, and happiest cruising back roads rather than chasing top speed. The shaft drive means no chain fuss, which matters if you're using this as an actual rider rather than a garage piece. It's a bike that rewards patience and mechanical sympathy over aggression. The 1961 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1960 example should focus on mileage, service history, and condition rather than spec differences. Collectors and BMW loyalists tracking the marque's single-cylinder history are the natural audience here, along with riders who want a simple, classic machine for club runs rather than daily transportation. Moderate collector interest keeps prices sane, making the 1961 BMW R27 a reasonable entry point into vintage BMW ownership.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Oct 13, 2026 | 26-Years-Owned 1961 BMW R27 | $6,910 | — | Bring a Trailer |
| Mar 20, 2023 | 1961 BMW R27 Police | $9,200 | — | Bring a Trailer |
| Aug 19, 2019 | 1961 BMW R27 | $8,400 | — | Bring a Trailer |