Vespa 125 GTR (1968-78)

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
Fuel Mixture: 1:50
Induction: Disc valve
Ignition: Contact breaker & coil
Starting: Kick start
Battery: 6V
Clutch: Wet, multiplate
Max Power: 4.6 kW / 6.3 hp @ 5000 rpm
Transmission: 4 Speed, grip-shift, constant mesh
Gear Ratios: 1st 15.46 / 2nd 10.79 / 3rd 7.69 / 4th 5.49:1
Final Drive: Direct drive
Frame: Pressed sheet steel, streamlined monocoque structure
Front Brakes: Drum

Rear Brakes: Drum
Wheels: Interchangeable
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
Dry Weight: 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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