The BMW R47 motorcycle specifications include a 494 cc (30.14 cu in) engine, a 3-speed gearbox, and a listed weight of 126 kg (277.8 lb).
Key specifications
The 1927 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the BMW R47 compares
This compares the motorcycle with all BMW models in this specifications database. The blue marker is this model and the grey line is the BMW database average.
About 46% lower than the BMW database average. Around the 13th percentile across BMW models.
About 44% lighter than the BMW database average. Around the 2nd percentile across BMW models.
BMW database percentile rankings
Percentiles show where this motorcycle sits across the BMW specifications database. They are descriptive database rankings, not performance ratings.
494 cc — larger displacement than about 13% of BMW models.
126 kg — heavier than about 2% of BMW models, or lighter than about 98%.
Dimensions compared with BMW average
Each measurement is compared with the average value across BMW models where that dimension is available.
2,100
2,193
4% below average.
800
877
9% below average.
950
1,199
21% below average.
1,410
1,497
6% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 3.5-26 |
|---|---|
| Rear tire size | 3.5-26 |
| Bore/stroke ratio | 1.00:1 (Square) |
Model information
| Category | Allround |
|---|
Engine specifications
| Engine type | Two cylinder boxer, four-stroke |
|---|---|
| Displacement | 494 cc (30.14 cu in) |
| Bore × stroke | 68.0 x 68 mm (2.7 x 2.7 inches) |
| Compression ratio | 4.9:1 |
| Cooling system | Air |
| Fuel system | Carburettor. 20mm BMW Spezial |
| Fuel control | Overhead Valves (OHV) |
| Starter | Kick |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 3-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
| Clutch | Dry-single plate-cable operated |
Chassis and suspension
| Frame | Steel doble cradle |
|---|---|
| Front suspension | Leading link |
| Rear suspension | Rigid |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Front tire | 3.5-26 |
| Rear tire | 3.5-26 |
Dimensions and weight
| Wet weight | 126 kg (277.8 lb) |
|---|---|
| Overall length | 2,100 mm (82.7 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall height | 950 mm (37.4 inches) |
| Wheelbase | 1,410 mm (55.5 inches) |
| Carrying capacity | 188kg |
Fuel and emissions
| Fuel consumption | 3.00 L/100 km (33.3 km/l or 78.41 mpg) |
|---|---|
| Greenhouse gases | 69.6 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed | 95.0 km/h (59.0 mph) |
|---|
Other specifications
| Seat | Single seat |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from BMW models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official BMW information before relying on them. Visit the official BMW website.