The BMW R26 motorcycle specifications include a 247 cc (15.07 cu in) engine, power of 15 hp (10.9 kW) @ 6,400 rpm, a 4-speed gearbox, and a listed weight of 158 kg (348.3 lb).
Key specifications
The 1956 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the BMW R26 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 82% lower than the BMW database average. Around the 5th percentile across BMW models.
About 73% lower than the BMW database average. Around the 4th percentile across BMW models.
About 30% lighter than the BMW database average. Around the 7th percentile across BMW models.
About 10% lower than the BMW database average. Around the 4th percentile across BMW models.
About 22% smaller than the BMW database average. Around the 19th 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.
15 hp — more powerful than about 5% of BMW models with power data.
247 cc — larger displacement than about 4% of BMW models.
158 kg — heavier than about 7% of BMW models, or lighter than about 93%.
730 mm — taller than about 4% of BMW models.
15 L — larger than about 19% of BMW fuel tanks in this database.
Dimensions compared with BMW average
Each measurement is compared with the average value across BMW models where that dimension is available.
2,090
2,193
5% below average.
660
877
25% below average.
975
1,199
19% below average.
975
1,497
35% below average.
730
809
10% below average.
105
125
16% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 3.27-18 |
|---|---|
| Rear tire size | 3.27-18 |
| Estimated theoretical fuel range | 455 km |
| Power-to-weight ratio | 0.095 hp/kg |
| Power-to-weight | 94.9 hp/tonne |
| Specific power | 60.7 hp/L |
| Bore/stroke ratio | 1.00:1 (Square) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 247 cc (15.07 cu in) |
| Power | 15 hp (10.9 kW) @ 6,400 rpm |
| Bore × stroke | 68.0 x 68 mm (2.7 x 2.7 inches) |
| Compression ratio | 7.5:1 |
| Cooling system | Air |
| Fuel system | Carburettor. Bing |
| Fuel control | Overhead Valves (OHV) |
| Ignition | Battery |
| Starter | Kick |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 4-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
| Clutch | Single plate dry-cable operated |
Chassis and suspension
| Frame | Steel loop-welded |
|---|---|
| Front suspension | Cartridge |
| Rear suspension | Twin shock-Swingarm |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 3.27-18 |
| Rear tire | 3.27-18 |
Dimensions and weight
| Wet weight | 158 kg (348.3 lb) |
|---|---|
| Seat height | 730 mm (28.7 inches) |
| Overall length | 2,090 mm (82.3 inches) |
| Overall width | 660 mm (26.0 inches) |
| Overall height | 975 mm (38.4 inches) |
| Wheelbase | 975 mm (38.4 inches) |
| Ground clearance | 105 mm (4.1 inches) |
| Carrying capacity | 325kg-with sidecar 480kg |
Fuel and emissions
| Fuel capacity | 15.00 L (3.96 US gal) |
|---|---|
| Fuel consumption | 3.30 L/100 km (30.3 km/l or 71.28 mpg) |
| Greenhouse gases | 76.6 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed | 128.0 km/h (79.5 mph) |
|---|
Electrical and instruments
| Battery | Lubrication system |
|---|
Other specifications
| Seat | Spring-mounted seat |
|---|---|
| Comments | 90Kph is the top speed with original sidecar. |
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.