Tuning The Engine; Checking The Play In The Throttle Cable; Adjusting The Play In The Throttle Cable; Adjusting The Idle Speed - KTM 250 SX-F EU Owner's Manual

TUNING THE ENGINE

Checking the play in the throttle cable

15.1

Adjusting the play in the throttle cable

15.2

Adjusting the idle speed

15.3
–
Check the throttle grip for smooth operation.
–
Move the handlebar to the straight-ahead position. Move the throttle grip back-
wards and forwards to ascertain the play in the throttle cable.
Throttle cable play
» If the throttle cable play does not meet specifications:
–
400192-10
–
Start the engine and let it run idle. Move the handlebar to and fro over the entire
steering range.
The idle speed must not change.
» If the idle speed changes:
–
x
Preliminary work
–
Remove the seat. (
–
Remove the fuel tank.
–
Check the throttle cable routing. (
Main work
–
Move the handlebar to the straight-ahead position.
–
Push back sleeves
–
Loosen nut
–
Loosen nut
the throttle grip.
Guideline
Throttle cable play
100935-10
–
Tighten nut
–
Press and hold the throttle grip in the closed setting. Turn adjusting screw
until there is no play in the throttle cable
–
Tighten nut
–
Push sleeves
Subsequent work
–
Install the fuel tank.
–
Mount the seat. (
–
Check the play in the throttle cable. (
x
–
Run the engine warm and push the idle speed adjusting screw
–
Set the desired idle speed by turning the idle speed adjusting screw.
Guideline
Idle speed
401096-10
Adjust the play in the throttle cable.
Danger
Danger of poisoning Exhaust gases are poisonous and inhaling them may
result in unconsciousness and/or death.
–
When running the engine, always make sure there is sufficient ventila-
tion, and do not start or run the engine in an enclosed space without an
effective exhaust extraction system.
Adjust the play in the throttle cable.
p. 41)
( p. 44)
x
.
1
. Turn adjusting screw
2
. Turn adjusting screw
4
.
4
.
2
on. Check the throttle grip for smooth operation.
1
x ( p. 45)
p. 41)
Info
Turn counterclockwise to increase the idle speed.
Turn clockwise to decrease the idle speed.
3... 5 mm (0.12... 0.2 in)
( p. 73)
x
( p. 73)
x
p. 51)
in as far as possible.
3
so that there is play in the throttle cable at
5
3... 5 mm (0.12... 0.2 in)
.
6
p. 73)
1
2,150... 2,250 rpm
73
out
3
all the way in.