Rear Wheel - APRILIA RS 250 - 1998 Manual

REAR WHEEL

a
The disassembly and reassem-
bly of the rear wheel may be diffi-
cult for unskilled operators. If
necessary, contact an aprilia Official
Dealer.
If you want to perform these operations
personally, keep to the following in-
structions.
Carefully read p. 47 (MAINTENANCE).
Before carrying out the following opera-
tions, let the engine and the silencer
cool down until they reach room tem-
perature, in order to avoid burns.
a
While disassembling and reas-
sembling the wheel, be careful
not to damage the brake pipe,
the disc and the pads.
54 use and maintenance RS 250
c
To remove the rear wheel it is ne-
cessary to use the appropriate
&
rear support stand .
DISASSEMBLY
Position the vehicle on the appropriate
rear support stand, see p. 49 (POSITIO-
NING THE VEHICLE ON THE REAR
&
SUPPORT STAND ).
Wheel nut (1) driving torque:
100 Nm (10 kgm).
Loosen and remove the nut (1), taking
the washer.
Put a support (2) under the tyre, in such
a way as to keep the wheel in its position
after loosening it.
Withdraw the wheel pin (3) from the right
side.
Make the wheel advance and release the
drive chain (4) from the crown gear (5).
a
Check the position of the spacer
ring (6) and the chain tighteners
(7-8), in order to be able to reas-
semble them correctly.
Remove the wheel by withdrawing it from
the back and if necessary take the left
spacer ring (6) and the two right and left
chain tighteners (7-8).
a
Never pull the rear brake lever
after removing the wheel, other-
wise the caliper piston may go
out of its seat, thus causing the outflow
of the brake fluid. In this case consult
your aprilia Official Dealer, who will
carry out the proper maintenance oper-
ation.