Vespa PK50 (1947)
The Vespa PK50 is a motorcycle with a four stroke, single cylinder engine and a capacity of 98 cc / 6 cub in. It has a mixture of 1:50 and a compression ratio of 8.7:1, with a Dell’Orto T2 17 carburettor and air cooled forced cooling system. It uses a flywheel magneto coil ignition and a kick start, with multiplate steel discs in an oil bath clutch. The motorcycle has a maximum power of 4.4 kW / 6 hp @ 6000rpm, with a three speed transmission and direct drive final drive. The frame is made of pressed sheet steel with a streamlined monocoque structure, and uses coil springs and caplipers shock absorber for front suspension, and a leaf spring for rear suspension. It has drum brakes for both the front and rear, with interchangeable, split rim pressed steel flanges for the wheels. The motorcycle has a dry weight of 73 kg / 161 lbs and a fuel capacity of 5.2 L / 1.3 US gal. It has a top speed of 100 km/h / 62 mph and comes in the color red. The information is sourced from Allinvespa.blogspot.com.
Technical specifications:
Make Model: Vespa 98 Corsa
Year: 1947
Engine: Four stroke, single cylinder
Capacity: 98 cc / 6 cub in
Bore and Stroke: 50 x 50 mm
Mixture: 1:50
Compression Ratio: 8.7:1
Carburettor: Dell’Orto T2 17
Cooling: Air cooled, forced
Battery: 6V
Induction: Rotary valve
Ignition: Flywheel magneto coil
Starting: Kick start
Spark Plug: Bosch W340 T1/T or /U, Champion L86
Clutch: Multiplate steel discs in oil bath
Max Power: 4.4 kW / 6 hp @ 6000rpm
Transmission: 3 speed
Final Drive: Direct drive
Frame: Pressed sheet steel with streamlined monocoque structure
Front Suspension: Coil springs and caplipers shock absorber
Rear Suspension: Leaf spring
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Pressed steel flanges, interchangeable, split rims
Front Tyre: 3.5 x 8″
Rear Tyre: 3.5 x 8″
Dry Weight: 73 kg / 161 lbs
Fuel Capacity: 5.2 L / 1.3 US gal
Top Speed: 100 km/h / 62 mph
Colours: Red
Source: Allinvespa.blogspot.com
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