
use and maintenance
RS 125 Tuono
63
IDLING ADJUSTMENT
Carefully read page 43 (MAINTENAN-
CE).
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, see p. 17
(Coolant temperature indicator
).
◆
Position the gear lever in neutral (green
warning light “
” on).
◆
Check the engine idling rpm on the revo-
lution counter.
The engine idling speed must be about
1250
±
100 rpm.
If necessary:
◆
Position the vehicle on the stand.
◆
Adjust the knob (1).
◆
By SCREWING IT (clockwise), you in-
crease 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.
If necessary, contact your Con-
cessionario Ufficiale
aprilia
.
ADJUSTING
THE ACCELERATOR CONTROL
Carefully read page 43 (MAINTENAN-
CE).
The idle stroke of the throttle grip must be
2÷3 mm
, measured on the edge of the grip
itself.
If this is not the case, proceed as follows:
◆
Position the vehicle on the 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 idle stroke again.
◆
Put back the protection element (2).
After the adjustment, make sure
that the rotation of the handlebar
does not modify the engine
idling rpm and that the throttle grip re-
turns smoothly and automatically to its
original position after being released.
3
4
2
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