Comparison of BMW R23 1939 and Factory Bike Chrono SM 250 [S]ave
| Attribute |  Factory Bike Chrono SM 250 × |  BMW R23 1939 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 1939 |
| Make | Factory Bike | BMW |
| Model | Factory Bike Chrono SM 250 | BMW R23 |
| Category | Super motard | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor. Amal |
| Displacement (cm³) | 249.8 | 247 |
| Power (kw) | 36.5 | 7.3 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Bore (mm) | 67.5 | 68 |
| Stroke (mm) | 69.8 | 68 |
| Gearbox | 6-speed | 3-speed |
| Fuel control | - | Overhead Valves (OHV) |
| Ignition | - | Battery |
| Clutch | - | Single plate dry |
| Lubrication system | - | Wet sump |
| Compression | 12.0:1 | 6.1:1 |
| Chassis | ||
| Front suspension | Marzocci Hydraulic, 50 mm | Telescopic fork |
| Rear suspension | Ohlins shock absorber | Rigid |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 220 | 180 |
| Frame type | Desmontabled hardened steel CrMo. | Steel-single cradlel |
| Front tyre | 110/70-17 | 2.99-19 |
| Rear tyre | 140/80-18 | 2.99-19 |
| Other | ||
| Starter | - | Kick |
| Color options |
| - |
| Carrying capacity | - | 200kg |
| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,330 |
| Kerb weight (kg) | 103 | 135 |
| Overall height (mm) | 1,100 | 900 |
| Overall length (mm) | 2,200 | 2,000 |
| Overall width (mm) | 815 | 800 |
| Performance | ||
| Top speed (km/h) | - | 95 |
| Fuel capacity (l) | 9.5 | 9.6 |
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