Vespa GS 150

Prefix: VS4T

Vespa GS 150

Image source: https://www.baritaliaclassics.com/

Last updated: 2025-11-27 05:49:53

Rarity Index 82/100

Very Rare

Factory Colours

No year data

Grigio Metallizzato ("Metallic Grey")

Max Meyer: 15005

Factory Primers

0 options

No factory primers recorded yet for this model.

year & frame ranges

1958 VS4T
35,311 – 47,350

Model Details

Model: Vespa GS 150
Produced In: Italy
Production (est.): 12040
Frame Prefix: VS4T
Motor Code: VS4M

Engine & Performance

Engine: 2-stroke, single-cylinder, air-cooled
Displacement: 146 cc
Bore × Stroke: 57.00 × 57.00 mm
Compression: 6.7:1
Power: 8.0 HP @ 7500 rpm
Transmission: 4-speed

Chassis & Dimensions

Frame Type: Wideframe
Fuel Capacity: 12.0 L
Length: 1700 mm
Width: 700 mm
Wheelbase: 1180 mm
Tyre (Front): 3.50 x 10"
Tyre (Rear): 3.50 x 10"
Brake (Front): Drum 150 mm
Brake (Rear): Drum 150 mm
Suspension (Front): Link arm (leading link)
Suspension (Rear): Spring and shock absorber

Carburettor

Carburettor: Dell'Orto UB 23 S3

Notes

Single-cylinder 2-stroke engine with flat piston, forced-air cooling, flywheel magneto ignition, gear-type transmission, and interchangeable 3.50x10 wheels. Seat height 800 mm.

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