Adjusting Control Flap (Dimension “Z“) - KTM EXC Repair Manual

control
flap
3
2
6
7
5
8
Adjusting control flap (dimension "Z")
Note: Dimension "Z" is the distance from the lower edge of the control
flap to the upper edge of the cylinder, as measured in the centre of the
exhaust port.
– Undo the screws of the stop plate (left side of the cylinder)
and apply Loctite 243 to the threads. Then mount both screws but do
not tighten them yet.
– Set preselected value on depth gauge and fix.
– Swifel control flap upwards and hold depth gauge into cylinder as
shown in the illustration.
– Control flap must rest against depth gauge.
– Allow bump plate
– Secure bump plate fastening screws
– Remove depth gauge.
– Having tightened the screws
"Z" again and correct it, if necessary.
4
1
– Press linkage of control flap
ball socket
When pressing ball socket do not:
● pull the linkage too far up (max. 1 mm / 0.04 in).
● swivel control flap upwards.
– Adjust linkage length if necessary.
– To do so, loosen counter nut
– Retighten counter nut.
– Once adjustments are completed, remove ball socket once again and
fit gasket for control cover.
– Refit ball socket and fit safety device
250 Model 1999 : 48,0 mm
250 Model 2000 : 50,5 mm
250 ab Model 2001 : 49,5 mm
300 : 46,0 mm + 0,2 / - 0,6 mm
380 : 50,5 mm + 0,2 / - 0,6 mm
3
to rest against retaining bracket
1
1 + 2 , you have to check the dimension
5
down-wards as far as stop and press
6
onto ball of adjusting lever.
7
and turn ball socket accordingly.
8
6-8C
+ 0,2 / - 0,6 mm
+ 0,2 / - 0,6 mm
+ 0,2 / - 0,6 mm
1
and
4
.
2
and .
.
2