S p e c s: V5A1T

1963 - 1971
engine: single cylinder, air cooled 2-stroke
induction: disc valve
bore: 38.4 mm
stroke: 43 mm
cubic capacity: 49.77 cc
compression ratio: 7.2: 1
bhp at rpm: 2.6 @5800
lubrication: 2% oil
transmission: 3 speed constant mesh
primary drive: 18/67
1st gear: 1: 25.12
2nd gear: 1: 14.13
3rd gear: 1: 8.94
clutch: wet - multiplate
carburetor: Dell'Orto
main jet:
slow running jet:
diffuser:
main air bleed:
starter jet:
ignition: contact breaker & coil
ignition timing: 19 degrees BTDC
breaker gap: 0.3 - 0.5 mm
voltage: 6 volt
 
VESPA 50 LINKS:
 


Note: The cooling hood on this bike was made from metal up to 1966 and was then changed to plastic.