NSU 501 SS: history, specs, pictures

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NSU 501 SS
Production 1928 - 1934
single cylinder, four-stroke
Bore / Stroke 80.0mm x 99.0mm
Top Speed 78 mph (125 km/h)
Horsepower 19.58 HP (14.6 KW) @ 4800RPM
Fuel System carburetor
Transmission Final Drive: chain
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 2.50-26
Rear Tire 3.25-26
Wheelbase 54.72 inches (1390 mm)
Weight 348.33 pounds (158.0 Kg) (dry),
Fuel Capacity 2.91 Gallon (11.00 Liters)
Manuals Service Manual

The NSU 501 SS was a single cylinder, four-stroke standard produced by NSU between 1928 and 1934. It could reach a top speed of 78 mph (125 km/h). Claimed horsepower was 19.58 HP (14.6 KW) @ 4800 RPM.

Engine[edit | edit source]

The engine was a air cooled single cylinder, four-stroke. A 80.0mm bore x 99.0mm stroke result in a displacement of just 494.0 cubic centimeters.

Chassis[edit | edit source]

It came with a 2.50-26 front tire and a 3.25-26 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The 501 SS was fitted with a 2.91 Gallon (11.00 Liters) fuel tank. The bike weighed just 348.33 pounds (158.0 Kg). The wheelbase was 54.72 inches (1390 mm) long.