NSU 501 OSL: history, specs, pictures
The NSU 501 OSL was a single cylinder, four-stroke standard produced by NSU between 1935 and 1939. It could reach a top speed of 81 mph (130 km/h). Claimed horsepower was 21.59 HP (16.1 KW) @ 5150 RPM.
| Manufacturer | NSU |
|---|---|
| Production | 1935 - 1939 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 80.0mm x 99.0mm |
| Top speed | 81 mph (130 km/h) |
| Horse Power | 21.59 HP (16.1 KW) @ 5150RPM |
| Fuel system | carburetor |
| Transmission | Gear box: 4-speed |
| Brakes | Front: expanding brake (drum brake) Rear: expanding brake (drum brake) |
| Front Tire | 3.25-19 |
| Rear Tire | 3.25-19 |
| Wheelbase | 55.91 inches (1420 mm) |
| Dimensions | L 85.83 inches (2180 mm) W 33.46 inches (850 mm) H 39.37 inches (1000 mm) |
| Weight | 330.69 pounds (150.0 Kg) |
| Fuel capacity | 3.25 Gallon (12.30 Liters) |
| Manuals | Service Manual |
| Tech Specs · Brochures · Reviews · Ads · Videos | |
Engine
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.
Drive
The bike has a 4-speed transmission.
Chassis
It came with a 3.25-19 front tire and a 3.25-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The 501 OSL was fitted with a 3.25 Gallon (12.30 Liters) fuel tank. The bike weighed just 330.69 pounds (150.0 Kg). The wheelbase was 55.91 inches (1420 mm) long.