Comparison of BMW R66 1938 and BMW R67 2 1952 [S]ave
| Attribute |  BMW R67 2 1952 × |  BMW R66 1938 × |
|---|---|---|
| General | ||
| Production from (year) | 1952 | 1938 |
| Make | BMW | BMW |
| Model | BMW R67 2 | BMW R66 |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Carburettor. 24mm | Carburettor. 26mm |
| Displacement (cm³) | 594 | 596 |
| Power (kw) | 20.4 | 21.9 |
| Fuel consumption (l/100km) | 4.6 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 73 | 69.8 |
| Stroke (mm) | 73 | 78 |
| Gearbox | 4-speed | 4-speed |
| Greenhouse gases | 106.7 CO2 g/km. (CO2 - Carbon dioxide emission) | - |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Ignition | Forced feed | Forced feed |
| Clutch | Single plate dry | Dry-single plate-cable operated |
| Lubrication system | Wet sump | Wet sump |
| Compression | 6.5:1 | 6.8:1 |
| Chassis | ||
| Front suspension | - | Cartridge |
| Rear suspension | - | Twin shock-Swingarm |
| Front brakes | Expanding brake (drum brake). Single | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 200 | 200 |
| Frame type | Doble steel loop | Doble steel loop |
| Front tyre | 3.5-19 | 3.5-19 |
| Rear tyre | 3.5-19 | 3.5-19 |
| Seat | Single seat | Single seat |
| Wheels | - | Spoked |
| Other | ||
| Starter | Kick | Kick |
| Carrying capacity | 355kg-600kg with sidecar | 210kg-500kg with sidecar |
| Dimensions | ||
| Wheelbase (mm) | 1,400 | 1,400 |
| Kerb weight (kg) | 192 | 187 |
| Overall height (mm) | 985 | 960 |
| Overall length (mm) | 2,130 | 2,130 |
| Overall width (mm) | 790 | 815 |
| Performance | ||
| Top speed (km/h) | 140 | 145 |
| Fuel capacity (l) | 17 | 14 |
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