Vespa GS 150: history, specs, pictures



The Vespa GS 150 was a Single Cylinder, 2 Stroke scooter produced by Vespa in 1955. Claimed horsepower was 2.01 HP (1.5 KW) @ 7500 RPM.

Vespa-gs-150-1955-1961-0.jpg
Vespa GS 150
Manufacturer
Production 1955
Class Scooter
Engine
Single Cylinder, 2 Stroke
Bore / Stroke 55.9mm x 55.9mm
Compression ratio 7.1
Horsepower 2.01 HP (1.5 KW) @ 7500RPM
Fuel System Carburetor
Transmission Gear box: 4-Speed

Final Drive: Direct drive

Clutch: Wet Multi-plate
Suspension Front: Stub axle with swing hub and variable rate coil spring and double action hydraulic damper
Rear: Swinging bracket for engine and wheel, with variable rate coil spring and co-axial double action hydraulic damper
Brakes Front: Drum
Rear: Drum
Front Tire 3.5x10
Rear Tire 3.5x10
Wheelbase 46.5 inches (1181 mm)
Length 66.89 inches (1699 mm)
Width 27.6 inches (701 mm)
Weight 109.0 kg (wet)
Manuals Service Manual

EngineEdit

A 55.9mm bore x 55.9mm stroke result in a displacement of just 150.0 cubic centimeters.

DriveEdit

The bike has a 4-Speed transmission. Power was moderated via the Wet Multi-plate.

ChassisEdit

It came with a 3.5x10 front tire and a 3.5x10 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The front suspension was a Stub axle with swing hub and variable rate coil spring and double action hydraulic damper while the rear was equipped with a Swinging bracket for engine and wheel, with variable rate coil spring and co-axial double action hydraulic damper. The wheelbase was 46.5 inches (1181 mm) long.

1955 - 1961 Vespa GS 150Edit

 

The Vespa GS150 series reaching from VS1 to VS5 is one of the most appreciated and sought for Vespa models nowadays.