KTM 450 XC Owner's Manual page 79

MAINTENANCE ON CHASSIS AND ENGINE
Info
Increasing the spring preload raises the center of gravity of the vehicle. This can have a large impact on vehicle handling.
Tip
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
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Remove the rear shock absorber.
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After removing the shock absorber, clean it thoroughly.
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Loosen the lock nut
available from an authorized KTM workshop.
Hook wrench (83019002000)
Info
Do not loosen lock nut
–
Turn adjusting ring until the spring is no longer under tension.
100082-10
x ( p. 78)
. Hold adjusting ring while doing so. Suitable tools
 
at the top of the shock absorber.
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are
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