APRILIA RS4 50 2011 Workshop Manual page 156

Suspensions
•
If over the value, replace the stem.
Bending limit: 0.2 mm
CAUTION
A BENT STEM SHOULD NEVER BE STRAIGHTENED BE-
CAUSE ITS STRUCTURE WOULD BE WEAKENED AND
USING THE VEHICLE MAY BECOME DANGEROUS.
•
Replace the following components with new ones:
- sealing ring;
- dust guard;
- O-ring gasket on the cap.
•
Check that there are no damages and/
or cracks; otherwise, replace it.
•
Check that the sliding bushings (1) for
good conditions.
•
If there are signs of excessive wear or
damage, replace the affected compo-
nent.
CAUTION
REMOVE ANY IMPURITY IN THE BUSHINGS, TAKING
CARE NOT TO SCRATCH THEIR SURFACE.
PAIOLI FORKS
WHEEL HOLDER STEM
•
Check the sliding surface for scorings and/or scratches. These scorings can be eliminated
by rubbing them with wet sandpaper (grain 1).
•
If the scorings are deep, replace the stem.
•
Use a dial gauge to check that the stem bending is below the limit value.
•
If over the value, replace the stem.
Bending limit: 0.2 mm
CAUTION
A BENT STEM SHOULD NEVER BE STRAIGHTENED BECAUSE ITS STRUCTURE WOULD BE
WEAKENED AND USING THE VEHICLE MAY BECOME DANGEROUS.
SUSP - 156
RS4 50 MY2011