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Vespa 125 GTR

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