Husqvarna TC 250 2010 Workshop Manual page 278

REAR SUSPENSION
Place the shock absorber on a bench. Unscrew or knock out the cover (depend-
ing on the model).
Once the tank cap is removed, push the rod guide down into the body so as to
expose the circlip groove and remove the circlip with a screwdriver.
Part. N. 8000 H1489 (10-2009)
J.8