KTM 450 SX ATV Owner's Manual page 65

MAINTENANCE ON CHASSIS AND ENGINE
Tip
Before changing the spring preload, make a note of the present setting, e.g., by measuring the length of the spring.
–
Remove the rear shock absorber.
–
After removing the shock absorber, clean it thoroughly.
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Loosen lock ring
from an authorized KTM workshop.
Hook wrench (83019002000)
–
Turn the adjusting ring until the spring pack is fully unloaded.
200601-01
x ( p. 64)
. Hold adjusting ring while doing so. Suitable tools are available
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