KTM 450 EXC USA Motorcycle User Manual


 
MAINTENANCE WORK ON CHASSIS AND ENGINE 51
Position the handlebar clamp. Mount and evenly tighten the four screws .
Guideline
Screw, handlebar clamp M8 20 Nm
(14.8 lbf ft)
Info
Make sure the gap width is even.
9.38Checking throttle cable route
500152-10
The two throttle cables must run parallel behind the handlebar down to the frame.
They must be routed directly to the right of the frame above the tank bracket
towards the carburetor.
9.39Checking the play in the throttle cable
400192-10
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 3… 5 mm (0.12… 0.2 in)
» If the throttle cable play does not meet specifications:
Adjust the play in the throttle cable. x ( p. 51)
Danger
Danger of poisoningExhaust 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.
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:
Adjust the play in the throttle cable. x ( p. 51)
9.40Adjusting the play in the throttle cable x
Remove the fuel tank. x ( p. 71)
Check throttle cable route. ( p. 51)
500153-10
Move the handlebar to the straight-ahead position.
Push back bellows .
Loosen nut . Turn adjusting screw in as far as possible.
Loosen nut . Turn adjusting screw so that there is play in the gas throttle
cable at the throttle grip.
Guideline
Play in throttle cable 3… 5 mm (0.12… 0.2 in)
Tighten nut .
Press and hold the throttle grip in the closed setting. Turn adjusting screw out
until there is no play in the throttle cable .
Tighten nut .
Push bellows on. Check the throttle grip for smooth operation.
Install the fuel tank. x ( p. 72)
Check the play in the throttle cable. ( p. 51)