1957Sportbike
Norton International Model 30
Key specifications
Engine
490 cc
Fuel type
petrol
Technical details
Source specification data
- Make
- Norton
- Model
- International Model 30
- Category
- Sport
- Top Speed
- 150.0 km/h (93.2 mph)
- Fuel System
- Carburettor. Amal
- Bore X Stroke
- 79.0 x 100.0 mm (3.1 x 3.9 inches)
- Compression
- 7.2:1
- Displacement
- 490.00 ccm (29.90 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Transmission Type Final Drive
- Chain
- Seat
- Single spring-mounted
- Wheels
- Spoked