IRREGULAR IGNITION
Lack of spark at the spark plug.
Due to the presence of high
voltage, this check must be carried
out by skilled personnel.
Check that the electrodes are
properly adjusted (0.45÷ 0.55 mm).
Make sure that the electrodes are
clean (clean them with pure petrol
and a metal brush or emery cloth).
Check the spark plug insulating
material: if there are cracks,
replace the spark plug. If the spark
plug is in good condition, contact
an Authorised Piaggio Service
Centre.
LACK OF COMPRESSION
Spark plug loose. Loose cylinder
head, worn piston retaining rings.
Contact an Authorised Service
Centre.
HIGH CONSUMPTION AND LOW PERFORMANCE
Air filter blocked or dirty. Clean with water and shampoo and
impregnate with petrol and specific
oil («Air filter removal» section)
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