Checking And Adjusting Steering Head Bearing; Changing The Spring Preload Of The Shock Absorber; Lubricate Shock Absorber Linkage - KTM Supermoto 640LC4 Owner's Manual

Ktm motorcycle brochure
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Checking and adjusting steering head bearing *

Check steering head bearing for play periodicaly. To check this put
motorcycle on a stand so that the front wheel is off the ground. Now try to
move the fork forward and backward. To adjust, loosen the five clamp
screws
1
of the top triple clamp and turn steering stem bolt clockwise
until there is no more play. Don't tighten the steering stem bolt all the way,
otherwise the bearings will be damaged. With a plastic hammer, lightly rap
on the triple clamp to avoid tension. Re-tighten the five clamp screws with
15 Nm (11 ft.lb).
WARNING
I
F THE STEERING HEAD BEARING IS NOT ADJUSTED TO BE FREE OF PLAY
CYCLE WILL SHOW AN UNSTEADY DRIVING PERFORMANCE AND CAN GET OUT OF
.
CONTROL
!
I
F YOU DRIVE WITH PLAY IN THE STEERING HEAD BEARING FOR LONGER PERIODS
THE BEARINGS AND THEN THE BEARING SEATS IN THE FRAME WILL BE DESTROYED
At least once a year, the steering head bearings should be greased.

Changing the spring preload of the shock absorber

KTM sets the shock absorber for a driver only, weighing approximately 75
kg (165 lb). If you want to take a passenger with you, of if you weigh
considerably more or less than 75 kg (165 lb), you should change the spring
A
preload accordingly
. This is easily done.
NOTE:
– Before changing the spring preload note down the basic setting, e.g.
how many threads are visible above the adjusting ring.
– One rotation of the adjusting ring
approximately 1,75 mm (0,07 in).
3
Loosen the locking ring
with the hook wrench from the tool set. Change
the spring preload with the adjusting ring
BASIC SETTING – SPRING PRELOAD
WP 0118W724............A = 23,5mm (640 LC4)
WP 0118W721............A = 15mm
Lubricating the shock absorber linkage
The bearings in the rocker arm must be greased (Shell Advance Grease) in
regular intervals. For this purpose, a grease nipple
rocker arm.
!
A
FTER EACH TIME THE MOTORCYCLE IS WASHED
GREASE THE GREASE NIPPLE TO PUSH ANY WATER OUT OF THE BEARINGS
CAUTION
4
changes the spring preload by
4
and retighten the locking ring.
(640 LC4 Supermoto)
5
is mounted on the
CAUTION
,
IT IS ESPECIALLY IMPORTANT TO
2
,
-
THE MOTOR
!
,
FIRST
.
17
!
.

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640 lc4 2002640 lc4 supermoto 2002

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