The BMW R23 motorcycle specifications include a 247 cc (15.07 cu in) engine, power of 10.1 hp (7.3 kW) @ 5,400 rpm, a 3-speed gearbox, and a listed weight of 135 kg (297.6 lb).
Key specifications
Year-specific specification changes
How the BMW R23 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 88% lower than the BMW database average. Around the 2nd percentile across BMW models.
About 73% lower than the BMW database average. Around the 4th percentile across BMW models.
About 40% lighter than the BMW database average. Around the 3rd percentile across BMW models.
About 50% smaller than the BMW database average. Around the 2nd 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.
10.1 hp — more powerful than about 2% of BMW models with power data.
247 cc — larger displacement than about 4% of BMW models.
135 kg — heavier than about 3% of BMW models, or lighter than about 97%.
9.6 L — larger than about 2% 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.
2,000
2,193
9% below average.
800
877
9% below average.
900
1,199
25% below average.
1,330
1,497
11% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 2.99-19 |
|---|---|
| Rear tire size | 2.99-19 |
| Power-to-weight ratio | 0.075 hp/kg |
| Power-to-weight | 74.8 hp/tonne |
| Specific power | 40.9 hp/L |
| Bore/stroke ratio | 1.00:1 (Square) |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 247 cc (15.07 cu in) |
| Power | 10.1 hp (7.3 kW) @ 5,400 rpm |
| Bore × stroke | 68.0 x 68 mm (2.7 x 2.7 inches) |
| Compression ratio | 6.1:1 |
| Cooling system | Air |
| Fuel system | Carburettor. Amal |
| Fuel control | Overhead Valves (OHV) |
| Ignition | Battery |
| Starter | Kick |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 3-speed |
|---|---|
| Final drive | Shaft drive (cardan) (final drive) |
| Clutch | Single plate dry |
Chassis and suspension
| Frame | Steel-single cradlel |
|---|---|
| Front suspension | Telescopic fork |
| Rear suspension | Rigid |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 2.99-19 |
| Rear tire | 2.99-19 |
Dimensions and weight
| Wet weight | 135 kg (297.6 lb) |
|---|---|
| Overall length | 2,000 mm (78.7 inches) |
| Overall width | 800 mm (31.5 inches) |
| Overall height | 900 mm (35.4 inches) |
| Wheelbase | 1,330 mm (52.4 inches) |
| Carrying capacity | 200kg |
Fuel and emissions
| Fuel capacity | 9.60 L (2.54 US gal) |
|---|
Performance
| Top speed | 95.0 km/h (59.0 mph) |
|---|
Electrical and instruments
| Battery | Lubrication system |
|---|
Other specifications
| Seat | Solo seat with springs |
|---|
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.