Vespa PK125 Make Model | Vespa PK125, PK125S, Elestart, Automatica | Year | 1982-90 | Engine | Single cylinder, 2 stroke | Capacity | 121.2 cc / 7.4 cub in | Bore x Stroke | 55 x 51 mm | Compression | 9.5:1 | Carburetor | Dell'Orto SHB 19/19E | Cooling | Air cooled, centrifugal fan | Fuel Mixture | 1:50 | Starting | Kick start | Spark Plug | NGK BR6HS, Marelli CW7N, Champion L86, Bosch W 225 T1 | Clutch | Wet, multiplate | Max Power | 5 kW / 6 hp | Transmission | 4 Speed, grip-shift, constant mesh | Gear Ratios | 1st 14.74 / 2nd 19.80 / 3rd 7.06 / 4th 5.31:1 | Final Drive | Direct drive | Frame | Pressed sheet steel, streamlined monocoque structure | Front Brakes | Drum | Rear Brakes | Drum | Wheels | Interchangeable | Front Tyre | 3.0 x 10" | Rear Tyre | 3.0 x 10" | Dimensions | Length: 1675 mm / 65.9 in Width: 700 mm / 27.6 in Height: 1070 mm / 42.1 in | Wheelbase | 1175 mm / 46.5 in | Ground Clearance | 252 mm / 9.9 in | Dry Weight | 87 kg / 182 lbs | Fuel Capacity | 6.2 L / 1.6 US gal | Reserve | 1.2 L / 0.3 US gal | Consumption average | 2.1 L/100 km / 48 km/l / 111 US mpg | Top Speed | 92 km/h / 57 mph | Sources | Vespaclub.org.pl | |