Idling Adjustment; Adjusting The Throttle Twistgrip - APRILIA SCARABEO 125 - 09 2006 Manual

IDLING ADJUSTMENT

C a r e f u l l y r e a d
(MAINTENANCE).
Adjust the idling speed every time it is
erratic.
To carry out this operation, proceed as
follows:
Ride for a few miles until reaching the
u
normal operating temperature, see page
15 (Coolant temperature indicator " "),
then stop the engine.
Remove the central inspection cover,
u
s e e p a g e 4 1 ( R E M O V I N G T H E
CENTRAL INSPECTION COVER).
Remove the central fairing, see page 41
u
(REMOVING THE CENTRAL FAIRING)
Connect an electronic rev counter to the
u
spark plug cable.
Start the engine.
u
T h e e n g i n e i d l e s p e e d m u s t b e
approximately 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
u
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.
Turn the throttle twistgrip, accelerating
u
and decelerating a few times to make
p a g e 3 3
sure that it operates correctly and to
check if the idling speed is constant.
CAUTION
adjusting screw to avoid variations of the
carburetion setting.
I f n e c e s s a r y , c o n t a c t a n a p r i l i a
Authorised Dealer.
A D J U S T I N G T H E T H R O T T L E
TWISTGRIP
C a r e f u l l y
(MAINTENANCE).
There should be 2 - 3 mm free play in the
throttle twistgrip (measured at twistgrip
edge).
If this is not the case, proceed as follows:
u
u
u
Do not turn the air u
u
u
When finished, turn the handlebar to
make sure its movement does not affect
r e a d p a g e 3 3
the engine idle rpm and check that the
throttle grip - when opened and then
released - returns smoothly to the
closed position.
2
Position the vehicle on the centre stand.
Withdraw the protection (2).
Slacken the lock nut (3).
Rotate the adjuster (4) until achieving the
specified free play.
When finished, tighten the lock nut (3)
and check free play again.
Refit the protection (2).
WARNING
use and maintenance Scarabeo 125 - Scarabeo 250
4 3
43