– Unscrew the main air jet
1
, the ACV jet
2
and the idle-air jet
3
with a suitable screwdriver.
– Unscrew the idle-air jet
4
, the main jet
5
with the main jet holder
and starter jet
6
.
– Before removing the idle-air mixture control screw
7
, screw in to the
limit. Count and note down the number of turns. Then remove the
mixture control screw together with the O-ring, shim and spring.
– Check the jets for damage and wear.
– Clean all parts thoroughly and blow compressed air through all of the
bores.
!
CAUTION
!
C
AREFULLY BLOW THE AIR THROUGH THE ACT JET AIR DUCT FROM THE ACV VALVE
SIDE TO AVOID DAMAGING THE ACV VALVE
.
– Hold the throttle valve against the light in a closed condition. No light
should be visible on the side of the throttle valve.
NOTE: if any light is visible, check the throttle valve and carburetor
housing for wear. The throttle valve usually becomes worn on the side
near the throttle shaft.
– Remove the screws
8
.
!
CAUTION
!
H
OLD A SUITABLE MANDREL AGAINST THE THROTTLE SHAFT TO KEEP IT FROM
BENDING
.
NOTE: bore out the screws if you are unable to loosen them.
– Remove the throttle valve.
– Remove the lock ring
9
from the throttle shaft and pull the throttle
shaft out from the side of the carburetor.
– Check the throttle shaft for wear and deformation.
8-6
Repair manual KTM LC8
Art.-Nr
. 3.206.009-E
1
2
3
4
5
6
7
8
9
