APRILIA QUASAR 125 2003, Workshop Manual, Page: 37 / 168

PERIODIC MAINTENANCE
QUASAR 125-180
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Release 00/2003 - 09
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2.10 AIR CLEANER
Read carefully 1.3 (GENERAL SAFETY RULES).
Check the condition and cleanliness of the air cleaner every month, replace, if
needed.
Plug the opening with a clean cloth, in order to prevent any foreign
matter to get into the suction ducts.
Upon reassembly, before positioning the filter case cover, make sure
that you have not left the cloth or other objects inside the filter case.
Make sure that the filtering element is positioned correctly, in such a
way as to prevent non-filtered air from entering.
Remember that the untimely wear of the piston rings and the cylinder
may be caused by a faulty or incorrectly positioned filtering element.
"
Remove the rear shield, see 6.1.6 (REMOVING THE REAR SHIELD).
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Release and remove the seven screws (1).
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Remove the filter case cover (2).
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Loosen and remove the two screws (3) on the case.
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Remove the filter (4).
Change the filter with one having the same features.
2.11 FUEL VAPOURS FILTER
Carefully read 1.3 (GENERAL SAFETY RULES).
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Loosen and remove the two screws (1).
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Remove filter cover (2).
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Remove fuel vapours filter (3).
When cleaning the filtering element, make sure that it is not torn or
otherwise damaged. Otherwise, change the filtering element.
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Clean filter (3) outer surface using special tools for absorbing filters.
"
If necessary, change the fuel vapours filter with one having the same
features.
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