Idling Adjustment; Adjusting The Throttle Control - APRILIA SCARABEO 125 - 2003 Manual

IDLING ADJUSTMENT

Carefully read p. 37 (MAINTENANCE).
Adjust the idling every time it is irregular.
To carry out this operation, proceed as
follows:
◆
Ride for a few miles until reaching the
normal running temperature, see p. 15
(Coolant temperature indicator " "),
then stop the engine.
◆
Remove the central inspection cover,
see p. 47 (REMOVING THE CENTRAL
INSPECTION COVER).
◆
Remove the central fairing, see p. 47
(REMOVING THE CENTRAL FAIRING).
◆
Connect an electronic revolution counter
to the spark plug cable.
◆
Start the engine.
T h e e n g i n e r p m a t i d l e m u s t b e
approximately the following 1600 ± 100
rpm.
In this case the engine does not make the
rear wheel rotate.
If necessary:
◆
Working on the front left side of the
vehicle, adjust the screw (1) positioned
on the right side of the carburettor.
By SCREWING IT (clockwise), you
increase the engine rpm.
By UNSCREWING IT (anticlockwise),
you decrease the engine rpm.
◆
Act on 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.
NOTE
Do not act on the air adjusting
s c r e w , t o a v o i d v a r i a t i o n s o f t h e
carburetion setting.
If necessary, contact your aprilia Official
Dealer.
ADJUSTING THE THROTTLE
CONTROL
Carefully read p. 37 (MAINTENANCE).
The free travel of the throttle grip must be 2
- 3 mm, measured on the edge of the grip
itself.
2
If this is not the case, proceed as follows:
◆
Position the vehicle on the centre stand.
◆
Withdraw the protection element (2).
◆
Loosen the lock nut (3).
◆
Rotate the adjuster (4) in such a way as
to restore the prescribed value.
◆
After the adjustment, tighten the lock nut
(3) and check the free travel again.
◆
Refit the protection element (2).
WARNING
After the adjustment, make sure that the
rotation of the handlebar does not
modify the engine idling rpm and that
the throttle grip returns smoothly and
automatically to its original position
after being released.
use and maintenance Scarabeo 125 - Scarabeo 200
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