In 1948, BMW’s postwar motorcycle production recommenced with the R24 single but it would be another 12 months before a twin-cylinder model became available again. This was the R51/2 based, as its designation suggests, on the pre-war R51.
source.image: classic-motorcycle.com
Improvements incorporated into the R51/2 included a two-way damped front fork, gearbox mainshaft damper and strengthened frame. In truth, the R51/2 was only a stopgap model to get production under way while BMW worked on something more modern.
Its replacement, the R51/3, arrived in February 1951 and despite the similarity in designation had an entirely new and much neater looking engine incorporating a single, gear-driven camshaft and crankshaft-mounted generator among a host of other advances.
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Sturdy, powerful, space for 2 and a bike for long distances these keywords describe this R51/3 combination. This bike has been restored 2 years ago to outstanding condition.
- Manufacturer: BMW
- Model: R51/3
- Year: 1954
- Displacement: 490 cc
- Cylinder: 2 – transverse
- Engine type: 4-stroke / ohv
- Bore / Stroke: 68 x 68 mm
- Power: 24hp @ 5.800 rpm
- Weight: 190 kg
- Top Speed: 135 km/h
- Sidecar: Steib
