KTM 65 SX 1999, Owner'S Manual

Page: 67 / 91

15 TUNING THE ENGINE
65
15.1 Checking the play in the throttle cable
400192-11
–
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 play

in the throttle cable.
Play in gas throttle cable 3… 5 mm (0.12… 0.2 in)
» If the throttle cable play does not meet specifications:
–
Adjust the play in the throttle cable. ( p. 65)
Danger
Danger of poisoning Exhaust gases are toxic 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.
–
Start the engine and let it idle. Move the handlebar to and fro over the entire steer-
ing range.
The idle speed should not change.
» If the idle speed changes:
–
Adjust the play in the throttle cable. ( p. 65)
15.2 Adjusting the play in the throttle cable
Preparatory work
–
Remove the seat. ( p. 36)
–
Turn the knurled screw on the fuel tap all the way clockwise.
–
Dismount the fuel tank. ( p. 39)
–
Check the routing of the throttle cable. ( p. 45)
H00162-10
Main work
–
Move the handlebar to the straight-ahead position.
–
Push back sleeve  .
–
Ensure that the throttle cable sleeve is pushed all the way into barrel adjuster

.
–
Loosen nut

.
400192-11
–
Turn barrel adjuster

until throttle cable play

exists at the bottom throttle
cable sleeve.
Guideline
Play in gas throttle cable 3… 5 mm (0.12… 0.2 in)
–
Tighten nut

.
–
Slide on sleeve  .
Finishing work
–
Install the fuel tank. ( p. 40)
–
Mount the seat. ( p. 36)
–
Check the play in the throttle cable. ( p. 65)