Vespa 125 GTR (1968-78)

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The Vespa 125 GTR, produced from 1968 to 1978, had a two-stroke, single-cylinder engine with a capacity of 123.4cc/7.5 cub in, producing a maximum power of 4.6 kW/6.3 hp at 5000 rpm. It had a Dell’Orto SHB 16/16 carburetor, disc valve induction, and contact breaker and coil ignition. With a four-speed grip-shift, constant mesh transmission, it had a direct drive final drive. The frame was a pressed sheet steel, streamlined monocoque structure. The Vespa 125 GTR had front and rear drum brakes, and interchangeable wheels. The dimensions were 1795 mm/70.7 in in length, 710 mm/30.0 in in width, and had a wheelbase of 1220 mm/48.0 in. It weighed 90 kg/198 lbs, and had a fuel capacity of 7.7 L/2.0 US gal. With an average consumption of 2 L/100 km/50 km/l/117 US mpg, it had a top speed of 92 km/h/57 mph. The Vespa 125 GTR was available in blue, China blue, coral red, metallic moon white, and polaris grey. A total of 45,658 units were produced.

Technische Daten:

Make Model: Vespa 125 GTR

Year: 1968 – 78


Production: 45 658 units
Engine: Two stroke, ingle cylinder
Capacity: 123.4 cc / 7.5 cub in
Bore x Stroke: 52.5 x 57 mm
Compression: 7.3:1
Carburetor: Dell’Orto SHB 16/16
Cooling: Air cooled, centrifugal fan
Kraftstoffgemisch: 1:50
Induction: Disc valve
Ignition: Contact breaker & coil
Starten: Kickstart
Batterie: 6V
Kupplung: Nass, Mehrscheibenkupplung
Max Power: 4.6 kW / 6.3 hp @ 5000 rpm
Getriebe: 4-Gang, Grip-Shift, konstanter Eingriff

Gear Ratios: 1st 15.46 / 2nd 10.79 / 3rd 7.69 / 4th 5.49:1
Endantrieb: Direktantrieb
Rahmen: Gepresstes Stahlblech, stromlinienförmige Monocoque-Struktur
Vordere Bremsen: Trommel
Hintere Bremsen: Trommel
Räder: Auswechselbar
Front Tyre: 3.5 x 10″
Rear Tyre: 3.5 x 10″
Dimensions: Length: 1795 mm / 70.7 in Width: 710 mm / 30.0 in
Wheelbase: 1220 mm / 48.0 in
Trockengewicht: 90 kg / 198 lbs
Fuel Capacity: 7.7 L / 2.0 US gal
Consumption average: 2 L/100 km / 50 km/l / 117 US mpg
Top Speed: 92 km/h / 57 mph
Colours: Blue, China Blue, Coral Red, Metallic Moon White, Polaris Grey
Sources: Wikipedia, Vespafan.ch

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