Idling Adjustment; Bleeding The Mixer Oil - APRILIA CLASSIC 125 - 1997 Manual

Fig. 45
IDLING ADJUSTMENT (Fig. 45)
Carefully read p. 32 (MAINTENANCE).
Adjust the idling every time it is irregular.
To carry out this operation, proceed as fol-
lows:
Ride for a few miles, until reaching the
normal running temperature.
Position the vehicle on the side stand.
Connect an electronic revolution counter
to the spark plug cable.
Adjust the screw (1) of the carburettor,
positioned under the tank on the left side
of the vehicle; by turning it clockwise,
you increase the engine rpm, while by
turning it anticlockwise, you decrease
the engine rpm.
The engine idling speed (in neutral) must
be about 1300 ± 150 rpm.
Twist the throttle grip, accelerating and
decelerating a few times to make sure
that it functions correctly and to check if
the idling speed is constant.
a
I f n e c e s s a r y , c o n t a c t y o u r
aprilia Official Dealer.

BLEEDING THE MIXER OIL

(Fig. 46)
Carefully read p. 32 (MAINTENANCE).
a
If you run out of oil in the mixer
oil tank or if the mixer oil pipe
has been removed, it is neces-
sary to carry out the bleeding.
Proceed as follows:
Top up the mixer oil tank, see p. 20 (MIX-
ER OIL TANK).
Remove the mixer oil tank plug, see p.
12 (ARRANGEMENT OF THE MAIN EL-
EMENTS).
Remove the oil pan guard - left side -,
see p. 22 (REMOVING THE OIL PAN
GUARD).
Fig. 46
Unscrew and remove the three screws
(1) of the pump cover (2).
Remove the cross-slotted screw (3) posi-
tioned on the mixer pump and wait until
the oil flows out of the hole.
When no more air bubbles can be seen
in the oil that flows out of the hole, tight-
en the screw (3).
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It is important to wait until no
more air bubbles are present in
the oil, since the running of the
engine with air inside the mixer oil sys-
tem may result in serious damage to the
engine itself.
Put back the cover (2) and tighten the
three screws (1).
Put back the oil pan guard.
Screw the mixer oil tank plug.
use and maintenance Classic 125 45