NSU 101 OSB: history, specs, pictures

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NSU 101 OSB
Manufacturer
NSU
Production 1949 - 1954
Engine
single cylinder, four-stroke
Bore / Stroke 50.0mm x 50.0mm
Top Speed 53 mph (85 km/h)
Horsepower 5.63 HP (4.2 KW) @ 6500RPM
Fuel System carburetor
Transmission Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 2.50-19
Rear Tire 2.50-19
Weight 187.39 pounds (85.0 Kg) (dry),
Fuel Capacity 2.11 Gallon (8.00 Liters)
Manuals Service Manual


The NSU 101 OSB was a single cylinder, four-stroke standard produced by NSU between 1949 and 1954. It could reach a top speed of 53 mph (85 km/h). Claimed horsepower was 5.63 HP (4.2 KW) @ 6500 RPM.

Engine[edit]

The engine was a air cooled single cylinder, four-stroke. A 50.0mm bore x 50.0mm stroke result in a displacement of just 98.0 cubic centimeters.

Chassis[edit]

It came with a 2.50-19 front tire and a 2.50-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The 101 OSB was fitted with a 2.11 Gallon (8.00 Liters) fuel tank. The bike weighed just 187.39 pounds (85.0 Kg).