71
use and maintenance MX 125
IDLING ADJUSTMENT
Carefully read pag. 55 (MAINTENANCE).
Adjust idle speed at the end of running-in
period and, anyway, whenever necessary.
To carry out this operation, proceed as
follows:
◆
Drive for a few miles until the engine
reaches the normal running temperature,
then stop the engine.
◆
Position the vehicle on the stand.
CAUTION
Work on the right side of the vehicle.
◆
Connect an electronic revolution counter
to the spark plug cable.
◆
Start the engine.
The minimum speed of the engine (idling)
must be about 1500 ± 100 rpm.
If necessary:
◆
Act on the adjusting screw (1) positioned
on the carburettor.
By SCREWING IT (clockwise), you
increase the engine rpm.
By UNSCREWING IT (anticlockwise), you
decrease the engine 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.
CAUTION
Do not act on the air adjusting screw, to
avoid variations of the carburation
setting.
WARNING
If necessary, contact your aprilia Official
Dealer.
ADJUSTING
THE ACCELERATOR CONTROL
Carefully read pag. 55 (MAINTENANCE).
The ideal slack of the accelerator control
should be about 2-3 mm.
To adjust the slack, proceed as follows:
◆
Position the vehicle on the stand.
◆
Remove the protection element (2).
◆
Loosen the nut (3) (by turning it
clockwise).
◆
Act on the adjuster (4), positioned at the
beginning of the accelerator control
cable.
After the adjustment:
◆
Tighten the nut (3) (by turning it
anticlockwise), thus locking the adjuster
(4) and put back the protection element
(2).
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