1933Sportbike
NSU 251 OSL
Key specifications
Engine
242 cc
Power
9 HP
Weight
126 kg
Fuel type
petrol
Fuel capacity
3.0 L
Transmission
4-speed
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)
Technical details
Source specification data
- Make
- NSU
- Model
- 251 OSL
- Category
- Sport
- Starter
- Kick
- Power
- 9.00 HP (6.6 kW)) @ 5000 RPM
- Gearbox
- 4-speed
- Ignition
- Battery-Bosch
- Top Speed
- 100.0 km/h (62.1 mph)
- Fuel System
- Carburettor. Amal or Graetzin
- Bore X Stroke
- 64.0 x 75.0 mm (2.5 x 3.0 inches)
- Displacement
- 242.00 ccm (14.77 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Fuel Consumption
- 2.30 litres/100 km (43.5 km/l or 102.27 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Transmission Type Final Drive
- Chain
- Dry Weight
- 126.0 kg (277.8 pounds)
- Oil Capacity
- 1.50 litres (0.10 quarts)
- Fuel Capacity
- 11.50 litres (3.04 gallons)
- Overall Width
- 760 mm (29.9 inches)
- Overall Height
- 1,000 mm (39.4 inches)
- Overall Length
- 2,000 mm (78.7 inches)
- Power Weight Ratio
- 0.0714 HP/kg
- Seat
- Single spring-mounted
- Wheels
- Spoked
- Rear Tyre
- 3-19
- Frame Type
- Open double steel
- Front Tyre
- 3-19
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)