The BMW R 100 RT motorcycle specifications include a 979 cc (59.74 cu in) engine, a 5-speed gearbox, and a listed weight of 261 kg (575.4 lb).
Key specifications
The 1978 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the BMW R 100 RT 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 8% higher than the BMW database average. Around the 56th percentile across BMW models.
About 15% heavier than the BMW database average. Around the 86th percentile across BMW models.
About 25% larger than the BMW database average. Around the 88th 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.
979 cc — larger displacement than about 56% of BMW models.
261 kg — heavier than about 86% of BMW models, or lighter than about 14%.
24 L — larger than about 88% of BMW fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.25-19 |
|---|---|
| Rear tire size | 4.00-18 |
| Bore/stroke ratio | 1.33:1 (Oversquare) |
Model information
| Category | Classic |
|---|
Engine specifications
| Engine type | Two cylinder boxer, four-stroke |
|---|---|
| Displacement | 979 cc (59.74 cu in) |
| Bore × stroke | 94.0 x 70.6 mm (3.7 x 2.8 inches) |
| Compression ratio | 9.0:1 |
| 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 | Dual disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 3.25-19 |
| Rear tire | 4.00-18 |
Dimensions and weight
| Wet weight | 261 kg (575.4 lb) |
|---|
Fuel and emissions
| Fuel capacity | 24.00 L (6.34 US gal) |
|---|
Performance
| Top speed | 174.0 km/h (108.1 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.