APRILIA TUONO 1000 R, Workshop Manual

Page: 209 / 279

CYCLE PARTS
5 - 75
TUONO 1000
5.6.3. CHECKING THE FRONT WHEEL COMPONENTS
WARNING
Check that all components are intact,
especially those listed below.
FRONT WHEEL BEARINGS
Check with the bearings fitted on the wheel.
ROTATION CHECK
• Manually turn the inner ring of each bearing. Rotation
must be continuous, smooth and silent.
If one or both bearings do not meet the specifications:
•
replace both wheel bearings.
DANGER
Always replace both bearings.
Always replace bearings with bearings of the
same type.
RADIAL AND AXIAL PLAY CHECK
• Check radial and axial play.
Axial play: minimum axial play is accepted.
Radial play: none.
If one or both bearings do not meet the specifications:
•
replace both wheel bearings.
DANGER
Always replace both bearings.
Always replace bearings with bearings of the
same type.
FRONT WHEEL SEALS
• Check that all seals are intact; replace them if they are
damaged or worn.
DANGER
Always replace both seals.
Always replace seals with seals of the same
type.
FRONT WHEEL SHAFT
• Using a dial gauge, check the eccentricity of the wheel
shaft (1). If eccentricity exceeds the specified limits,
replace the wheel shaft (1).
Maximum eccentricity: 0.25 mm (0.0098 in).