48
use and maintenance RS 50
REAR WHEEL
WARNING
The disassembly and reassembly of the
rear wheel may be difficult 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. 39 (MAINTENANCE).
Before carrying out the following opera-
tions, let the engine and the exhaust si-
lencer cool down until they reach room
temperature, in order to avoid burns.
CAUTION
While disassembling and reassembling
the wheel, be careful not to damage the
brake pipe, the disc and the pads.
NOTE To remove the rear wheel it is
necessary to use the appropriate rear sup-
port stand -.
DISASSEMBLY
◆
Position the vehicle on the appropriate
rear support stand, see p. 43 (POSI-
TIONING THE VEHICLE ON THE REAR
SUPPORT STAND
-).
◆
Lock the wheel pin (1) rotation.
Wheel nut (2) driving torque:
80 Nm (8 kgm).
◆
Loosen and remove the nut (2), taking
the washer.
◆
Put a support (3) under the tyre, in such
a way as to keep the wheel in its position
after loosening it.
◆
Withdraw the wheel pin (1) from the right
side.
NOTE Check the arrangement of the
right (4) and left (5) chain tighteners, in or-
der to be able to reassemble them correctly.
◆
Take the right (4) and left (5) chain tight-
eners.
NOTE Lower the drive chain (6) outside
the crown gear (7).
◆
Make the wheel advance and release the
drive chain (6) from the crown gear (7).
◆
Withdraw the wheel from the rear fork
from behind, carefully withdrawing the
disc from the brake caliper.