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

Colours

Blue, China Blue, Coral Red, Metallic Moon White, Polaris Grey

Sources

Wikipedia, Vespafan.ch