Fitted with NSU's own 500cc overhead-valve engine and a four-speed gearbox, the 501 OSL represented a capable and refined touring machine for its time, with a fine turn of speed proving that it was a verey capable sidecar machine. Surviving examples are rare, and finding one offered with a sidecar is rarer still.
This 1936 example is stated to have undergone a comprehensive rebuild. It is offered alongside a Steib Typ 1 sidecar that's fitted out to be on the left hand side of its host bike. German registration papers accompany the machine.WhatsApp Image 2026-05-10 at 19.44.14 Magnus.jpeg509.04 KB
Key Information
Mileage: Not stated
Country of registration: Germany
Technical inspection status: No current MOT or inspection
Technical specs: 500cc OHV single-cylinder petrol engine, 4-speed manual gearbox
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