The BMW R 100 GS motorcycle specifications include a 979 cc (59.74 cu in) engine, power of 60 hp (43.8 kW) @ 6,500 rpm, a 5-speed gearbox, and a listed weight of 225 kg (496 lb).
Key specifications
The 1988 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the BMW R 100 GS 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 26% lower than the BMW database average. Around the 42nd percentile across BMW models.
About 8% higher than the BMW database average. Around the 56th percentile across BMW models.
Very close to the BMW database average. Around the 51st percentile across BMW models.
About 35% larger than the BMW database average. Around the 92nd 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.
60 hp — more powerful than about 42% of BMW models with power data.
979 cc — larger displacement than about 56% of BMW models.
225 kg — heavier than about 51% of BMW models, or lighter than about 49%.
26 L — larger than about 92% of BMW fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 90/90-21 |
|---|---|
| Rear tire size | 130/80-17 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 21 in |
| Rear tire width | 130 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 17 in |
| Power-to-weight ratio | 0.267 hp/kg |
| Power-to-weight | 266.7 hp/tonne |
| Specific power | 61.3 hp/L |
| Bore/stroke ratio | 1.33:1 (Oversquare) |
Engine specifications
| Engine type | Two cylinder boxer, four-stroke |
|---|---|
| Displacement | 979 cc (59.74 cu in) |
| Power | 60 hp (43.8 kW) @ 6,500 rpm |
| Bore × stroke | 94.0 x 70.6 mm (3.7 x 2.8 inches) |
| Compression ratio | 8.5:1 |
| 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 | 90/90-21 |
| Rear tire | 130/80-17 |
Dimensions and weight
| Wet weight | 225 kg (496 lb) |
|---|
Fuel and emissions
| Fuel capacity | 26.00 L (6.87 US gal) |
|---|
Performance
| Top speed | 164.0 km/h (101.9 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.