APRILIA TUONO R FACTORY 2007 Service Station Manual page 229

TUONO R_FACTORY
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.
CAUTION
A BENT STEM SHOULD NEVER BE STRAIGHTENED BECAUSE ITS STRUCTURE WOULD BE
WEAKENED AND USING THE VEHICLE MAY BECOME DANGEROUS.
Characteristic
Bending limit:
0.2 mm (0.00787 in)
Sleeve
Check that there are no damages and/or cracks; otherwise, replace it.
Spring
Check that the spring is in good conditions. Check that the spring length is within the limit value.
Replace the spring if its length does not fall within the limit values.
SPRING MINIMUM LENGTH WHEN UNLOADED: 284 mm (11.2 in)
Check that the following components are in good
conditions:
•
sliding bushing;
•
guide bushing;
•
piston.
If there are signs of excessive wear or damage, replace the affected component.
CAUTION
REMOVE ANY IMPURITY IN THE BUSHINGS, TAKING CARE NOT TO SCRATCH THEIR SUR-
FACE.
Replace the following components with new ones:
•
gasket;
•
dust guard gasket;
•
the two O-rings on the regulator.
Suspensions
SUSP - 229