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03_12
03_13
CAUTION
IF THE VEHICLE IS USED ON DUSTY ROADS, IT IS NECESSARY TO SERVICE
THE AIR FILTER MORE OFTEN TO AVOID DAMAGING THE ENGINE.
CAUTION
IN ORDER NOT TO DAMAGE THE VEHICLE PLASTIC COVERS CONTACT AN
AUTHORISED SERVICE CENTRE TO HAVE THE AIR FILTER CLEANED.
Recommended products
AGIP FILTER OIL
Oil for air filter sponge
Mineral oil with specific additives for increased adhesiveness
03_14
Secondary air system (03_14)
In order to reduce polluting emissions, the vehicle is furnished with a catalytic con-
verter in the muffler.
To facilitate the catalytic process, a further quantity of previously filtered air is brought
in through the exhaust duct on the head by the secondary air system (SAS).
This system allows more oxygen to be added to the unburned gases before reaching
the catalytic converter, thus improving the catalytic converter reaction.
The system has a control valve that disables operation during deceleration in order to
avoid abnormal noises.
42
3 Maintenance
Содержание GTS 125
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Страница 6: ...Warnings 74 PROGRAMMED MAINTENANCE 77 Scheduled maintenance table 78 6 ...
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Страница 21: ...Vespa GTS 125 Chap 02 Use 21 ...
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Страница 66: ...66 3 Maintenance ...
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Страница 68: ...04_01 68 4 Technical data ...
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Страница 73: ...Vespa GTS 125 Chap 05 Spare parts and accessories 73 ...
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Страница 77: ...Vespa GTS 125 Chap 06 Programmed maintenance 77 ...
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