The BMW R57 motorcycle specifications include a 494 cc (30.14 cu in) engine, power of 18 hp (13.1 kW) @ 4,000 rpm, and a listed weight of 195 kg (429.9 lb).
Key specifications
Year-specific specification changes
How the BMW R57 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 78% lower than the BMW database average. Around the 8th percentile across BMW models.
About 46% lower than the BMW database average. Around the 13th percentile across BMW models.
About 14% lighter than the BMW database average. Around the 20th percentile across BMW models.
About 38% smaller than the BMW database average. Around the 6th 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.
18 hp — more powerful than about 8% of BMW models with power data.
494 cc — larger displacement than about 13% of BMW models.
195 kg — heavier than about 20% of BMW models, or lighter than about 80%.
12 L — larger than about 6% 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.
2,100
2,193
4% below average.
800
877
9% below average.
950
1,199
21% below average.
1,400
1,497
6% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 3.50-26.00 |
|---|---|
| Rear tire size | 3.50-26.00 |
| Estimated theoretical fuel range | 286 km |
| Power-to-weight ratio | 0.092 hp/kg |
| Power-to-weight | 92.3 hp/tonne |
| Specific power | 36.4 hp/L |
Engine specifications
| Engine type | Two cylinder boxer, four-stroke |
|---|---|
| Displacement | 494 cc (30.14 cu in) |
| Power | 18 hp (13.1 kW) @ 4,000 rpm |
| Compression ratio | 5.8:1 |
| Cooling system | Air |
| Fuel system | Carburettor. 24mm Bing |
| Starter | Kick |
| Lubrication | Wet sump |
Transmission and drivetrain
| 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 | Long swingarm-oil pressure shocks |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 3.50-26.00 |
| Rear tire | 3.50-26.00 |
Dimensions and weight
| Wet weight | 195 kg (429.9 lb) |
|---|---|
| Overall length | 2,100 mm (82.7 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall height | 950 mm (37.4 inches) |
| Wheelbase | 1,400 mm (55.1 inches) |
| Carrying capacity | 360kg-with sidecar 600kg |
Fuel and emissions
| Fuel capacity | 12.00 L (3.17 US gal) |
|---|---|
| Fuel consumption | 4.20 L/100 km (23.8 km/l or 56.00 mpg) |
| Greenhouse gases | 97.4 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Performance
| Top speed | 115.0 km/h (71.5 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.