Simson 425 GS 1959

Complete specifications and details for the 1959 Simson 425 GS. This comprehensive guide includes engine specifications, dimensions, features, and performance data.

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Basic Information

MakeSimson
Model425 GS
Year1959
CategorySport

Chassis, Suspension & Brakes

Front BrakesExpanding brake (drum brake)
Front SuspensionTelescopic
Front Tyre3.5-19
Rear BrakesExpanding brake (drum brake)
Rear SuspensionSwingarm
Rear Tyre4-18
SeatSingle

Other Specifications

Engine & Transmission

Displacement247.00 ccm (15.07 cubic inches)
Engine DetailsSingle cylinder, four-stroke
Power17.50 HP (12.8 kW)) @ 7200 RPM
Bore X Stroke68.0 x 68.0 mm (2.7 x 2.7 inches)
Fuel SystemCarburettor
IgnitionMagneto
Cooling SystemAir
Transmission Type Final DriveShaft drive (cardan)
Fuel Consumption3.30 litres/100 km (30.3 km/l or 71.28 mpg)
Greenhouse Gases76.6 CO2 g/km. (CO2 - Carbon dioxide emission)

Dimensions & Capacities

Dry Weight157.0 kg (346.1 pounds)
Power Weight Ratio0.1115 HP/kg