APRILIA SR 50 - 2003, Manual, Page: 241 / 288

49 use and maintenance SR 50
AIR CLEANER
Carefully read p. 44 (MAINTENANCE).
Check the conditions of the air cleaner and
clean it monthly or every 5000 km (3100 mi),
depending on the conditions in which the
vehicle is used.
If the vehicle is used on dusty or wet roads,
the cleaning operations and any replacement
should be carried out more frequently.
To clean the filtering element it is necessary
to remove it from the vehicle.
REMOVAL
◆
Position the vehicle on the centre stand,
see p. 43 (POSITIONING THE VEHICLE
ON THE STAND).
WARNING
Before carrying out the following
operations, let the engine cool down until
it reaches room temperature, in order to
avoid burns.
◆
Unscrew and remove the three screws
(1).
◆
Unscrew and remove the two screws (2)
and keep washers.
CAUTION
Do not exert too much pressure during the
removal.
The filter case cover (3) remains connected
to the pipe (4).
◆
Partially remove the filter case cover (3).
◆
Remove the grid (5).
◆
Remove the filtering element (6).
◆
Check:
- filtering element (6);
- filter case gasket (7);
and change them if necessary.
CLEANING
WARNING
Do not use petrol or inflammable solvents
to wash the filtering element, in order to
avoid fires or explosions.
◆
Wash the filtering element (5) with clean,
non-inflammable solvents or solvents with
high volatility point, then let it dry
thoroughly.
◆
Apply a filter oil or a thick oil (SAE 80W-
90) on the whole surface of the filtering
element, then squeeze it to eliminate the
oil in excess.
NOTE
The filter must be well impregnated,
though not dripping.
3
4
7
5
6
1
1
1
2
2
2
2
1
1
1