VESPA LX 50 Workshop Manual page 9

Vespa LX 50
Characteristics
Engine
ENGINE
Specification Desc./Quantity
Engine type Two-stroke, single cylinder Piaggio Hi-PER2
Bore x stroke 40 X 39.3 mm
Cubic capacity 49.40 cc
Compression ratio 10,3 :1
Carburettor DELL'ORTO PHVA 17.5
CO adjustment 3.5% ± 0.5
Engine idle speed 1800 to 2000 r.p.m.
Air filter Sponge, soaked in a mixture (50% SELENIA Air Filter Oil and
50% unleaded petrol).
Starting system electric starter/kick starter
Lubrication With blend and variable oil variable according to the engine
revolutions and the throttle valve opening by means of a pump
controlled by the driving shaft with toothed belt.
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