Back to Bike FinderYears: 1959 · 1958 · 1957
1959Sportbike
Simson 425 GS
Key specifications
Engine
247 cc
Power
18 HP
Weight
157 kg
Fuel type
petrol
Front brakes
Expanding brake (drum brake)
Rear brakes
Expanding brake (drum brake)
Technical details
Source specification data
- Make
- Simson
- Model
- 425 GS
- Category
- Sport
- Power
- 17.50 HP (12.8 kW)) @ 7200 RPM
- Ignition
- Magneto
- Fuel System
- Carburettor
- Bore X Stroke
- 68.0 x 68.0 mm (2.7 x 2.7 inches)
- Displacement
- 247.00 ccm (15.07 cubic inches)
- Cooling System
- Air
- Engine Details
- Single cylinder, four-stroke
- Fuel Consumption
- 3.30 litres/100 km (30.3 km/l or 71.28 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Transmission Type Final Drive
- Shaft drive (cardan)
- Dry Weight
- 157.0 kg (346.1 pounds)
- Power Weight Ratio
- 0.1115 HP/kg
- Seat
- Single
- Rear Tyre
- 4-18
- Front Tyre
- 3.5-19
- Rear Brakes
- Expanding brake (drum brake)
- Front Brakes
- Expanding brake (drum brake)
- Rear Suspension
- Swingarm
- Front Suspension
- Telescopic