Beta Motorcycles RR 250 2T 2017 Mode D'emploi page 129

3
adjuSTmENT Of GaS
ClEaRaNCE
2
1
The throttle control cable should always
have a 3-5 mm play. In addition, the idle
speed should not change when the han-
dlebars are fully rotated to the left or right.
Push back protective cap 1. Loosen coun-
ternut 2 and turn adjusting screw 3.
3
Tighten the counternut and check that the
throttle twist grip turns smoothly.
adjuSTiNG ThE idlE SpEEd
Idling adjustment greatly affects the ap-
propriate start-up and the accelerator
1
response.
Idling is adjusted through adjustment screw
1 and air adjustment screw 2. Adjustment
screw 1 adjusts the basis position of the
2
gas valve. Turn the screw clockwise to
increase the rotation conditions and coun-
terclockwise to diminish it. The air adjust-
ment screw 2 adjusts the quantity of which
is mixed to the fuel for idling. If the screw is
turned counterclockwise, the quantity of air
increases (thin mix), if turned clockwise, the
quantity of air diminishes (fat mix).
GB
39