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Developed from the single-cylinder R20 of 1937/38, itself a development of BMW’s best-selling R2, the R23 was produced between 1938 and 1940, 8,021 examples being sold.
source/image(PrtSc): classic-motorcycle.com
Powered by an overhead-valve engine producing 10 ps, the R23 came with a four-speed gearbox and featured shaft drive like the larger models.
Weight with a full tank of fuel was 297lbs and the top speed around 100 km/h. This R23 was completed on 22nd December 1939 and delivered to Nibbrig & Greeve in the Netherlands on 23rd July 1940.
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The machine we present here is an older restoration. It is a fine running bike.
Specifications
- Manufacturer: BMW
- Model: R23
- Year: 1939
- Displacement: 247 cc
- Cylinder: 1
- Engine type: 4-stroke / ohv
- Bore / Stroke: 68 x 68 mm
- Power: 10hp @ 5400 rpm
- Compression Ratio: 1 : 6.0
- Weight: 135 kg
- Top Speed: 100 km/h
- Production years: 1938 – 1940
- Units: 8.021
- Frame number: 113987
- Engine number: 113987
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