28
use and maintenance RS 125
REAR BRAKE
CHECKING
Position the vehicle on firm and
flat ground.
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Keep the vehicle in vertical position, so
that the fluid contained in the tank (1) is
parallel to the plug (2).
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Make sure that the fluid level exceeds
the “MIN” mark.
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If the fluid does not reach the “MIN”
mark, provide for topping up.
TOPPING UP
The brake fluid may flow out of
the tank. Do not operate the rear
brake lever if the brake fluid tank
plug is loose or has been removed.
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Hold the tank (1) in a vertical position,
then loosen and remove the plug (2).
Avoid any prolonged exposure
of the brake fluid to the air.
The brake fluid is hygroscopic
and when in contact with the air it
absorbs its humidity.
Leave the brake fluid tank open ONLY
for the time necessary for topping up.
In order not to spill the brake
fluid while topping up, keep the
fluid in the tank parallel to the tank rim
(in horizontal position).
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Remove the gasket (4).
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Hold the tank (1) in a vertical position,
then top up to correct level tank (1) with
brake fluid using a syringe, see page 78
(LUBRICANT CHART); correct level is
between the two reference marks "MIN"
and "MAX".
It is advisable to top up until
reaching the “MAX” level only
with new pads.
When the disc pads wear out, the level
of the fluid decreases progressively to
compensate for their wear.
Do not reach the “MAX” level with worn
out pads, since this will cause a fluid
outflow when the pads are changed.
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To reassemble the components, follow
the reverse order.
Check the braking efficiency. If
necessary, contact your aprilia
Official Dealer.
In case of excessive stroke of the brake
lever, of excessive elasticity or in case
there is air in the circuit, contact your
aprilia Official Dealer, since it may be
necessary to bleed the system.
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