Comparison of BMW R61 1941 and BMW R61 1940 [S]ave
| Attribute |  BMW R61 1941 × | BMW R61 1940 × |
|---|---|---|
| General | ||
| Production from (year) | 1941 | 1940 |
| Make | BMW | BMW |
| Model | BMW R61 | BMW R61 |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Two cylinder boxer, four-stroke | Two cylinder boxer, four-stroke |
| Fuel system | Carburettor. Amal | Carburettor. Amal |
| Displacement (cm³) | 600 | 600 |
| Power (kw) | 13.1 | 13.1 |
| Fuel consumption (l/100km) | 3.5 | 3.5 |
| Cooling system | Air | Air |
| Transmission type,final drive | Shaft drive (cardan) | Shaft drive (cardan) |
| Bore (mm) | 70 | 70 |
| Stroke (mm) | 78 | 78 |
| Gearbox | 4-speed | 4-speed |
| Greenhouse gases | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Overhead Valves (OHV) | Overhead Valves (OHV) |
| Clutch | Dry-single plate-cable operated | Dry-single plate-cable operated |
| Lubrication system | Wet sump | Wet sump |
| Compression | 5.7:1 | 5.7:1 |
| Chassis | ||
| Front suspension | Leading link | Leading link |
| Rear suspension | Twin shock-Swingarm | Twin shock-Swingarm |
| Front brakes | Expanding brake (drum brake). Single | Expanding brake (drum brake). Single |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Frame type | Steel-double cradle | Steel-double cradle |
| Front tyre | 3.50-19.00 | 3.50-19.00 |
| Rear tyre | 3.50-19.00 | 3.50-19.00 |
| Seat | - | Solo seat with springs |
| Other | ||
| Starter | Kick | Kick |
| Carrying capacity | 210kg | 210kg |
| Dimensions | ||
| Wheelbase (mm) | 1,400 | 1,400 |
| Kerb weight (kg) | 184 | 184 |
| Overall height (mm) | 960 | 960 |
| Overall length (mm) | 2,130 | 2,130 |
| Overall width (mm) | 815 | 815 |
| Performance | ||
| Top speed (km/h) | 115 | 115 |
| Fuel capacity (l) | 14 | 14 |
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