Vespa 150 Cosa (1988-98)

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The Vespa 150 Cosa and Cosa Elestart (1988-98) is a two-stroke, single cylinder engine motorcycle with a capacity of 150 cc/9.2 cub in. It has a compression of 9.2:1, a Dell’Orto SHBC 20/20L carburetor, and is air-cooled with a centrifugal fan. It requires a fuel mixture of 1:50 and has electronic ignition with a kick start. The engine produces a maximum power of 6.25 kW/8.5 hp at 5700 rpm and a maximum torque of 12.75 Nm/1.27 kgf-m/9.4 lb-ft at 4500 rpm. This motorcycle has a 4-speed, grip-shift, constant mesh transmission with a direct drive final drive. The frame is a pressed sheet steel, streamlined monocoque structure with front and rear 150 mm drum brakes, interchangeable wheels, and a front and rear tyre size of 3.0 x 10″. The Vespa 150 Cosa has a dry weight of 85 kg/187 lbs, fuel capacity of 7.7 L/2 US gal, and a consumption average of 2.1 L/100 km/48 km/l/111 US mpg. It has a top speed of 95 km/h/59 mph and is available in colors such as red, blue, black, maroon, white, and silver.

Technical specifications:

Make Model: Vespa 150 Cosa and Cosa Elestart

Year: 1988 – 98


Engine: Two stroke, single cylinder
Capacity: 150 cc / 9.2 cub in
Bore x Stroke: 57.8 x 57 mm
Compression: 9.2:1
Carburetor: Dell’Orto SHBC 20/20L
Cooling: Air cooled, centrifugal fan
Fuel Mixture: 1:50
Ignition: Electronic
Starting: Kick start
Spark Plug: NGK BR7HS
Battery: 12V AC
Clutch: Wet, multiplate
Max Power: 6.25 kW / 8.5 hp @ 5700 rpm
Max Torque: 12.75 Nm / 1.27 kgf-m / 9.4 lb-ft @ 4500 rpm
Transmission: 4 Speed, grip-shift, constant mesh

Final Drive: Direct drive
Frame: Pressed sheet steel, streamlined monocoque structure
Front Brakes: 150 mm drum
Rear Brakes: 150 mm drum
Wheels: Interchangeable
Front Tyre: 3.0 x 10″
Rear Tyre: 3.0 x 10″
Dry Weight: 85 kg / 187 lbs
Fuel Capacity: 7.7 L / 2 US gal
Reserve: 1.2 L / 0.3 US gal
Consumption average: 2.1 L/100 km / 48 km/l / 111 US mpg
Top Speed: 95 km/h / 59 mph
Colours: Red, Blue, Black, Maroon, White, Silver
Sources: Vespaclub.co.uk

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