Fantic XEF 250 - Throttle Control and Idle Speed Adjustment

3. Adjustments
USE AND MAINTENANCE MANUAL CHAPTER 3
ADJUSTMENTSXEF 250 - Rev01 / 2020
52
1
2
1
A
1
2
3.4 ADJUSTING THE ENGINE IDLING SPEED
– Start the engine and warm it up well;
– Install a digital tachometer on the spark plug cable;
– Adjust the idle speed by turning the adjustment screw “1”
until it reaches a value that meets the specifications;
By screwing it in, the idle speed increases, by
unscrewing it in, the idle speed decreases.
– Once the speed has been adjusted, remove the digital
tachometer from the vehicle.
Idle speed: 1900-2100 rpm
Prior to adjusting throttle grip free play, the engine
idling speed should be adjusted.
Prior to adjusting throttle grip free play, the engine
idling speed should be adjusted. After adjusting the
throttle grip free play, turn the handlebar to the right
and to the left to ensure that this does not cause the
engine idling speed to change.
3.3 THROTTLE CONTROL
Adjusting the throttle grip clearance
Check the throttle control knob clearance “A”.
If it is different from the standard value, adjust it.
Throttle grip clearance “A”:
3.0–6.0 mm (0.12–0.24 in)
Adjust the throttle control knob clearance as described
below:
– Loosen the locknut “1”;
– Turn the adjuster “2” until the specified free play is
obtained;
– Tighten the locknut.
Clutch cable side
– Slide the clutch cable cover;
– Loosen the locknut “1”;
– Turn the adjuster “2” until the specified clutch lever free
play is obtained;
– Tighten the locknut;
Locknut: 4.3 Nm (0.43 m•kg, 3.2 ft•lb)
– Return the clutch cable cover to its original position.