NSU 601 OSB: history, specs, pictures

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NSU 601 OSB
Manufacturer
NSU
Production 1936 - 1941
Engine
single cylinder, four-stroke
Bore / Stroke 85.0mm x 99.0mm
Horsepower 25.48 HP (19.0 KW) @ 4950RPM
Fuel System carburetor. amal
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.50-19
Rear Tire 3.50-19
Wheelbase 55.91 inches (1420 mm)
Length 86.61 inches (2200 mm)
Width 33.46 inches (850 mm)
Height 39.37 inches (1000 mm)
Weight 330.69 pounds (150.0 Kg) (dry),
Manuals Service Manual


The NSU 601 OSB was a single cylinder, four-stroke standard produced by NSU between 1936 and 1941. Claimed horsepower was 25.48 HP (19.0 KW) @ 4950 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 85.0mm bore x 99.0mm stroke result in a displacement of just 562.0 cubic centimeters.

Chassis[edit | edit source]

It came with a 3.50-19 front tire and a 3.50-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The bike weighed just 330.69 pounds (150.0 Kg). The wheelbase was 55.91 inches (1420 mm) long.