NSU 201 OSL: history, specs, pictures

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NSU 201 OSL
Manufacturer
NSU
Production 1933 - 1939
Engine
single cylinder, four-stroke
Bore / Stroke 58.0mm x 75.0mm
Top Speed 56 mph (90 km/h)
Horsepower 8.31 HP (6.2 KW) @ 5000RPM
Fuel System carburetor. amal
Ignition battery-bosch
Transmission Gear box: 4-speed
Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3-19
Rear Tire 3-19
Wheelbase 50.59 inches (1285 mm)
Length 78.74 inches (2000 mm)
Width 29.92 inches (760 mm)
Height 39.37 inches (1000 mm)
Weight 264.55 pounds (120.0 Kg) (dry),
Oil Capacity 0.4 Gallon (1.50 Liters)
Fuel Capacity 3.04 Gallon (11.50 Liters)
Fuel Consumption 2.30 liters/100 km (43.5 km/l or 102.27 mpg)
Manuals Service Manual


The NSU 201 OSL was a single cylinder, four-stroke standard produced by NSU between 1933 and 1939. It could reach a top speed of 56 mph (90 km/h). Claimed horsepower was 8.31 HP (6.2 KW) @ 5000 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 58.0mm bore x 75.0mm stroke result in a displacement of just 198.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 4-speed transmission.

Chassis[edit | edit source]

It came with a 3-19 front tire and a 3-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The 201 OSL was fitted with a 3.04 Gallon (11.50 Liters) fuel tank. The bike weighed just 264.55 pounds (120.0 Kg). The wheelbase was 50.59 inches (1285 mm) long.