The BMW K 100 motorcycle specifications include a 987 cc (60.23 cu in) engine, power of 90 hp (65.7 kW) @ 8,000 rpm, a 5-speed gearbox, and a listed weight of 243 kg (535.7 lb).
Key specifications
The 1983 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the BMW K 100 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 10% higher than the BMW database average. Around the 64th percentile across BMW models.
About 9% higher than the BMW database average. Around the 60th percentile across BMW models.
About 7% heavier than the BMW database average. Around the 73rd percentile across BMW models.
About 14% larger than the BMW database average. Around the 77th 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.
90 hp — more powerful than about 64% of BMW models with power data.
987 cc — larger displacement than about 60% of BMW models.
243 kg — heavier than about 73% of BMW models, or lighter than about 27%.
22 L — larger than about 77% of BMW fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 100/90-18 |
|---|---|
| Rear tire size | 130/90-17 |
| Front tire width | 100 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 18 in |
| Rear tire width | 130 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 17 in |
| Power-to-weight ratio | 0.370 hp/kg |
| Power-to-weight | 370.4 hp/tonne |
| Specific power | 91.2 hp/L |
| Bore/stroke ratio | 0.96:1 (Undersquare) |
Model information
| Category | Touring |
|---|
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 987 cc (60.23 cu in) |
| Power | 90 hp (65.7 kW) @ 8,000 rpm |
| Bore × stroke | 67.0 x 70 mm (2.6 x 2.8 inches) |
| Compression ratio | 10.2:1 |
| Valves per cylinder | 2 |
| Cooling system | Liquid |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
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 | 100/90-18 |
| Rear tire | 130/90-17 |
Dimensions and weight
| Wet weight | 243 kg (535.7 lb) |
|---|
Fuel and emissions
| Fuel capacity | 22.00 L (5.81 US gal) |
|---|
Performance
| Top speed | 218.0 km/h (135.5 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.