Maintenance work on chassis and engine – KTM 990 User Manual
Page 44
Adjusting the spring preload on the fork
The fork spring preload can be adjusted by turning the adjusting screws
[4] (wrench size 24
mm) ± 5 mm (0,2 in).
Turning in a clockwise direction will increase the preload, turning in a counterclockwise direc-
tion will decrease the preload. 1 turn will change the preload by 1 mm.
Changing the preload will not affect the rebound damping adjustment, although adjusting
screw
[3] will turn at the same time. Make the same spring preload adjustments to both fork
legs.
Generally, if the preload is higher, the rebound damping should also be set higher.
STANDARD ADJUSTMENT:
Turn the adjusting screw in a counterclockwise direction up to the stop and then 5 turns in
a clockwise direction.
MAINTENANCE WORK ON CHASSIS AND ENGINE
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