1982 Vespa PK 50, PK50S, PK50 Elestart, PK50XL, PK50XLS, PK50 technical specifications

Technical specifications

Model: PK 50, PK50S, PK50 Elestart, PK50XL, PK50XLS, PK50
Years: 1982-93
Engine: Two stroke, single cylinder
Capacity: 49.8 cc / 3.0 cub in
Bore x Stroke: 38.4 x 43 mm
Compression Ratio: 9.1:1
Mixture: 1:50
Carburettor: Dell'Orto SHB 16/10
Cooling: Air cooled with centrifugal fan
Battery: 1 x 6V - 9.5 Ah batteries
Induction: Rotary valve
Ignition: Flywheel magneto
Starting: Kick start
Spark Plug: Bosch W225 T1
Clutch: Oil bath, multi plate
Max Power: 2.7 kW / 3.7 Hp @ 7000 rpm
Transmission: 4 Speed, grip shift
Gear Ratios: 1st 26.88 / 2nd 17.74 / 3rd 12.78 / 4th 9.62:1
Final Drive: Direct drive
Frame: Pressed sheet steel with streamlined monocoque structure
Front Suspension: Trailing arm, coil spring, damper
Rear Suspension: Coil spring, damper
Front Brakes: 150 mm drum
Rear Brakes: 150 mm drum
Wheels: Pressed steel flanges, interchangeable
Front Tyre: 3 x 10"
Rear Tyre: 3 x 10"
Dimensions: Length: 1675 mm / 65.9 in Width: 700 mm / 27.6 in Height: 1070 mm / 42.0 in
Wheelbase: 1175 mm / 46.5 in
Ground clearance: 252 mm / 9.9 in
Dry Weight: 77 kg / 169.7 lbs
Fuel Capacity: 6.2 L / 1.6 US gal
Reserve: 1.2 L / 0.32 US gal
Consumption Average: 3.5 L/100 km / 29 km/l / 68 US mpg
Top Speed: 70 km/h / 43.5 mph

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