KTM 400-660 LC4 1998-2005, Repair Manual

Page: 230 / 501

10-5F
Replacing the steering head bearing
– See Owner's Manual to remove the headlight mask.
– Remove the lower 4
1
and the upper
2
fixing screws and take off
the fender.
NOTE: Remove the lower screws with the sleeves and the upper screws
with the distance bushings and shims.
– To dismount the fork legs, see page 10-3 Chassis.
– Unscrew the mask support with the speedometer.
– Remove the handlebar clamps
3
. Tilt back and secure the
handlebar together with the mask support.
– Loosen the center clamp screw
4
on upper triple clamp and remove
the blind screw
5
on steering stem, holding the lower triple clamp
6
to keep it from slipping down and out of the steering head.
– Remove the upper triple clamp
7
and lay aside.
– Pull the lower triple clamp and the steering stem down and out of
the steering head.
– Remove the protection ring
8
, sealing
9
and upper steering head
bearing
bk
.
– Pull the lower steering head bearing
bl
from the steering stem with
a suitable extractor and remove the sealing
bm
.
– Slip a new sealing and a new steering head bearing on the steering
stem with a suitable pipe.
! CAUTION !
W
HEN YOU PRESS IN THE BEARING
,
MAKE SURE TO PRESS THE INNER RING ONLY
.
– Insert the special tool 584.29.092.000 in the steering head from
below and knock the outer ring
bn
for the upper steering head
bearings out of the steering head.
– Use the special tool to knock the outer ring for the lower steering
head bearings
bo
out of the steering head from above.
– Use special tool 584.29.091.000 to drive the new outer rings for
the upper and lower steering head bearings (
bn
and
bo
) in the
steering head.
NOTE: Do not let the outer bearing rings cant when driving them in.
Use the same procedure in reverse to mount.
– See Owner's Manual to adjust the steering head bearing clearance.
– Tighten the clamp screw on the steering stem and the collar screws
on the handlebar clamps to 20 Nm and secure the collar screws on
the handlebar clamps with Loctite 243.
– See Owner's Manual to mount the front wheel.
8
9
bk
bn
bo
bl
bm
6
1
1
2
3
3
4
5
6
7