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NOTE
Observe the arrangement of the
speedometer drive (11) and of the spacer
ring (10), in order to be able to reassemble
them correctly.
♦
Support the front wheel and remove the
axle manually.
♦
Remove the spacer ring (10).
♦
Remove the wheel by pulling it forward.
♦
Disconnect the speedometer drive (11).
REASSEMBLY
Carefully read p. 55 (MAINTENANCE).
♦
Apply a thin film of lubricating grease, see
p. 93 (LUBRICANT CHART) to the:
– inside of the speedometer drive(11);
– outer seats of the wheel hub;
– front axle (6).
♦
Position the wheel on the support (2)
between the fork legs.
♦
Position the boss of the speedometer drive
(11) in the appropriate seat on the wheel
hub.
♦
Position the spacer ring (10) in its seat on
the wheel.
♦
Move the wheel around until to insert the
tooth (12) of the speedometer drive (11)
between the two antirotation pins (13)
positioned on the fork.
WARNING
Danger of injury.
Keep your fingers clear. Do not attempt
to line up the wheel and the axle clamps
with your fingers.
♦
Move the wheel around until the axle hole
and the axle clamps are aligned.
62
use and maintenance SR 50
♦
Push in the axle (6) completely.
♦
Install the washer (8) and nut (7). Tighten
finger tight.
♦
Hold the axle (6) from rotating using the
Allen wrench.
♦
Tighten the nut (7) to its appropriate
tightening torque.
Wheel nut (7) tightening torque:
36.17 ftlb (50 Nm).
CAUTION
While reassembling the wheel, be careful
not to damage the brake line, the
disc and the pads.
♦
Insert the brake caliper (4) on the disc and
position it so that its fastening holes and
the holes on the support are aligned.
NOTE
When reassembling the brake
caliper, replace the caliper screws (3) with
two new screws of the same type.
♦
Tighten the two screws (3) to the
appropriate torque.
Brake caliper screw (3) tightening
torque: 19.53 ftlb (27 Nm).
♦
Remove the support (2) from under the tire.
♦
Remove the support (1) from under the
vehicle.
♦
Retract the center stand.
♦
Apply the front brake lever, and then push
down on the handlebars, compressing the
fork springs several times.
This will align the fork tubes.
♦
Place the vehicle on the center stand.
♦
Tighten the two axle clamp screws (9).
Screw (9) tightening torque:
8.68 ftlb (12 Nm).
WARNING
After servicing the brakes, always check
them for function. If the stroke of the lever
is excessive, or if you detect that the
effectiveness of the brakes is reduced in
any way, have your vehicle serviced by
your Local aprilia Dealer.
It may be necessary to have your dealer
bleed the system, or there may be some
other problem with the brake system.
Never ride your vehicle in traffic
immediately after servicing the brakes.
Always apply the brake lever several
times before riding your vehicle. Then, try
your vehicle in a parking lot or other safe
area with little traffic to ensure that the
brakes are working properly. Failure to
observe this warning can lead to a serious
accident with subsequent serious injury
or death.
Check the wheel centering.
Have the tightening torques, centering
and balancing of the wheel checked by
your Local aprilia Dealer. These are
critical safety operations, and failure to
observe this warning could lead to an
upset with subsequent serious injury or
death.
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