NSU 351 OSL: history, specs, pictures

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The NSU 351 OSL was a single cylinder, four-stroke sport motorcycle produced between 1934 and 1940. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 17.57 HP (13.1 KW) @ 5020 RPM.

Engine[edit]

The engine was a air cooled single cylinder, four-stroke. A 75.0mm bore x 79.0mm stroke result in a displacement of just 346.0 cubic centimeters.

Drive[edit]

The bike has a 4-speed transmission. The final drive was via chain.

Chassis[edit]

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 bike weighed just 242.51 pounds (110.0 Kg). The wheelbase was 55.91 inches (1420 mm) long.

In Media[edit]

NSU 351 OSL
Manufacturer NSU
Production 1934 - 1940
Class Road
Engine single cylinder, four-stroke
Bore / Stroke 75.0mm x 79.0mm
Top speed 68 mph (110 km/h)
Horse Power 17.57 HP (13.1 KW) @ 5020RPM
Fuel system carburettor. graetzin ke 25/43
Transmission Gear box: 4-speed
Final Drive: chain
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 79.53 inches (2020 mm)
W 30.31 inches (770 mm)
H 37.01 inches (940 mm)
Weight 242.51 pounds (110.0 Kg)
Manuals Service Manual
Tech Specs · Brochures · Reviews · Ads · Videos

The NSU 351 OSL was a single cylinder, four-stroke Road motorcycle produced by NSU between 1934 and 1940. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 17.57 HP (13.1 KW) @ 5020 RPM.

Engine[edit]

The engine was a air cooled single cylinder, four-stroke. A 75.0mm bore x 79.0mm stroke result in a displacement of just 346.0 cubic centimeters.

Drive[edit]

The bike has a 4-speed transmission.

Chassis[edit]

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 bike weighed just 242.51 pounds (110.0 Kg). The wheelbase was 55.91 inches (1420 mm) long.

In Media[edit]