Tuning The Engine; Checking The Play In The Throttle Cable; Adjusting The Play In The Throttle Cable; Adjusting The Idle Speed - KTM 450 EXC 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.
Play in throttle cable
» 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
–
Check the throttle cable routing. (
–
Move the handlebar to the straight-ahead position.
–
Push back sleeves
–
Loosen nut
–
Loosen nut
the throttle grip.
Guideline
Play in throttle cable
–
Tighten nut
101411-10
–
Press and hold the throttle grip in the closed setting. Turn adjusting screw
until there is no play in throttle cable
–
Tighten nut
–
Push sleeves
–
Install the fuel tank.
–
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
401342-10
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.
.

. Turn adjusting screw

. Turn adjusting screw

.

.

on. Check the throttle grip for smooth operation.

x ( p. 56)
Info
Turn counterclockwise to increase the idle speed.
Turn clockwise to decrease the idle speed.
3... 5 mm (0.12... 0.2 in)
( p. 89)
x
( p. 89)
x
p. 62)
in as far as possible.

so that there is play in the throttle cable at

3... 5 mm (0.12... 0.2 in)
.

p. 89)

1,800... 1,900 rpm
89
out

all the way in.