Vespa 125 GTR (1968-78)
Comparison technical specifications
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| Make: | Vespa |
| Model: | 125 GTR |
| Years: | 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 |