NSU 125ZB: history, specs, pictures

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NSU 125ZB
Manufacturer
NSU
Production 1951 - 1954
Engine
single cylinder, two-stroke
Bore / Stroke 52.0mm x 58.0mm
Top Speed 52 mph (83 km/h)
Horsepower 5.23 HP (3.9 KW) @ 5300RPM
Fuel System carburetor. bing
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
Length 75.2 inches (1910 mm)
Width 27.17 inches (690 mm)
Height 35.43 inches (900 mm)
Weight
Fuel Capacity 2.11 Gallon (8.00 Liters)
Manuals Service Manual


The NSU 125ZB was a single cylinder, two-stroke standard produced by NSU between 1951 and 1954. It could reach a top speed of 52 mph (83 km/h). Claimed horsepower was 5.23 HP (3.9 KW) @ 5300 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, two-stroke. A 52.0mm bore x 58.0mm stroke result in a displacement of just 123.0 cubic centimeters.

Chassis[edit | edit source]

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 125ZB was fitted with a 2.11 Gallon (8.00 Liters) fuel tank.