Checking The Play Of The Steering Head Bearing; Adjusting The Play Of The Steering Head Bearing; Nm Loctite; Finishing Work - KTM 125 SX EU Owner's Manual

11 SERVICE WORK ON THE CHASSIS
11.13

Checking the play of the steering head bearing

Warning
Danger of accidents Unstable vehicle handling from incorrect steering head bearing play.
–
Adjust the steering head bearing play without delay. (Your authorized KTM workshop will be glad to help.)
Info
If the bike is ridden with play in the steering head bearing, the bearing and the bearing seats in the frame can become dam-
aged over time.
11.14

Adjusting the play of the steering head bearing

Finishing work

–
Check that the wiring harness, throttle cables and brake and clutch lines can move
freely and are routed correctly.
–
Install the front fender. (
–

Install the front wheel.

–
Check the play of the steering head bearing. (
–
Remove the motorcycle from the lift stand. (
–
Install the start number plate. (
–
Mount the handlebar cushion.

Preparatory work

–

Raise the motorcycle with the lift stand. (

Main work

–
Move the handlebar to the straight-ahead position. Move the fork legs to and fro in
the direction of travel.
No play should be noticeable in the steering head bearing.
» If there is noticeable play present:
–
Adjust the play of the steering head bearing.
–
Move the handlebar to and fro over the entire steering range.
The handlebar must be able to move easily over the entire steering range. There
400738-11
should be no perceptible detent positions.
» If detent positions are noticeable:
–
Adjust the play of the steering head bearing.
–
Check the steering head bearing and replace if required.
Finishing work
–
Remove the motorcycle from the lift stand. (
Preparatory work
–
Raise the motorcycle with the lift stand. (
–
Remove the handlebar cushion.
Main work
–
Loosen screws
–
Loosen and retighten screw
Guideline
Screw, top steering head
–
Using a plastic hammer, tap lightly on the upper triple clamp to avoid strains.
–
Tighten screws
Guideline
101679-10
Screw, top triple clamp
–
Mount and tighten screw
Guideline
Screw, top steering stem
p. 49)
( p. 74)
x
p. 48)
x
. Remove screw .
1 2
.
3
.
1
.
2
M8
p. 47)
p. 41)
p. 41)
( p. 47)
x
( p. 47)
x
p. 41)
p. 41)
M20x1.5 12 Nm (8.9 lbf ft)
M8 17 Nm
(12.5 lbf ft)
17 Nm Loctite
(12.5 lbf ft)
47
® 243™