The BMW R 80 ST motorcycle specifications include a 797 cc (48.63 cu in) engine, power of 50 hp (36.5 kW) @ 6,500 rpm, a 5-speed gearbox, and a listed weight of 197 kg (434.3 lb).
Key specifications
Year-specific specification changes
How the BMW R 80 ST 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 39% lower than the BMW database average. Around the 35th percentile across BMW models.
About 12% lower than the BMW database average. Around the 40th percentile across BMW models.
About 13% lighter than the BMW database average. Around the 22nd percentile across BMW models.
Very close to the BMW database average. Around the 55th 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.
50 hp — more powerful than about 35% of BMW models with power data.
797 cc — larger displacement than about 40% of BMW models.
197 kg — heavier than about 22% of BMW models, or lighter than about 78%.
19 L — larger than about 55% of BMW fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 100/90-19 |
|---|---|
| Rear tire size | 120/90-18 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 19 in |
| Rear tire width | 120 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Power-to-weight ratio | 0.254 hp/kg |
| Power-to-weight | 253.8 hp/tonne |
| Specific power | 62.7 hp/L |
| Bore/stroke ratio | 1.20:1 (Oversquare) |
Engine specifications
| Engine type | Two cylinder boxer, four-stroke |
|---|---|
| Displacement | 797 cc (48.63 cu in) |
| Power | 50 hp (36.5 kW) @ 6,500 rpm |
| Bore × stroke | 84.8 x 70.6 mm (3.3 x 2.8 inches) |
| Compression ratio | 8.2:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Overhead Valves (OHV) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 100/90-19 |
| Rear tire | 120/90-18 |
Dimensions and weight
| Wet weight | 197 kg (434.3 lb) |
|---|
Fuel and emissions
| Fuel capacity | 19.00 L (5.02 US gal) |
|---|
Performance
| Top speed | 172.0 km/h (106.9 mph) |
|---|
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.