APRILIA ETV mille, Workshop Manual

Page: 88 / 352

ETV mille
PERIODIC MAINTENANCE AND ADJUSTMENTS
2 - 53 -
00
Release 00/2004 - 04
2.33 ADJUSTING WHEEL SPOKE TENSION
Read 0.5.1 (GENERAL PRECAUTIONS AND
INFORMATION) carefully.
Check after the first 1000 Km (621 mi) and every 7500
km (4660 mi) afterwards.
!
Place the motorcycle on the stand.
NOTE
Spoke tension can be adjusted with the wheel
installed.
Wheel spokes feature a nipple (1) and a grub screw (2).
The nipple is used to adjust spoke tension, whereas the
grub screw, when tightened into the nipple, levers on the
wheel spoke (3) thereby locking out nipple rotation (1).
WARNING
Even when the wheel spokes (3) are at the correct
tension, some nipples may still have worked them-
selves loose.
!
Determine which wheel spokes (3) need tensioning up.
NOTE
The procedure described below is referred to
one spoke.
!
Loosen the grub screw (2).
!
Work the nipple (1) so as to set the spoke (3) to the
correct tension:
- tighten to tension up the spoke (3);
- loosen to slacken the spoke (3).
NOTE
If nipple adjustment (1) is ineffective, loosen the
grub screw (2) again.
!
Tighten the grub screw (2) without using exceeding
force.
!
Repeat the process for all spokes in the order.
!
When you have adjusted the wheel spokes, check
wheel rim axial and radial run-out.
CAUTION
It is essential that all wheel spoke nipples be
tightened securely so as to lock out rotation. A
nipple which works itself loose will affect wheel
spoke tension, making the wheel unsafe in operation
and impairing motorcycle stability.
2
1
2
3
1
2
3
1