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50 4T 100 4T
1
If necessary:
u
Turn
adjusting
knob
carburettor.
B y S C R E W I N G I T ( c l o c k wi s e ) , y o u
increase the engine rpm.
By UNSCREWING IT (anticlockwise), you
decrease the engine rpm.
u
Turn the throttle twistgrip, accelerating
and decelerating a few times to make
sure that it operates correctly and to
check if the idling speed is constant.
NOTE
Do not turn the air adjusting
screw to avoid variations of the carburetion
setting.
CAUTION
If necessary, contact an aprilia Author-
ised Dealer.
56
use and maintenance Scarabeo 50 2T - Scarabeo 50 4T - Scarabeo 100 4T
1
2
50 2T
ADJUSTING THE THROTTLE
TWISTGRIP
(1)
on
the
C a r e f u l l y
(MAINTENANCE).
The ideal slack of the throttle control
should be about 2-3 mm.
To adjust the slack, proceed as follows:
u
Place the vehicle on the centre stand on
firm and level ground.
Withdraw the protection (2).
u
u
Slacken the nut (3).
u
Turn adjuster (4), located at the throttle
cable end.
When finished:
u
Tighten the nut (3), lock adjuster (4) and
fit the rubber protection (2).
3
4
r e a d
p a g e 4 0
WARNING
When finished, turn the handlebar to
make sure its movement does not affect
the engine idle rpm and check that the
throttle grip - when opened and then
released - returns smoothly to the
closed position.
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