Husqvarna TC 250 2010 Workshop Manual page 239

FRONT SUSPENSION
Loosen the cap nut at the top of each outer tube.
(Note: it is good practice to moderately slacken the cap nuts before removing
the fork legs from the motorcycle).
Loosen the fork cap nut and the nut with a wrench.
Remove top cap nut, spring retainer, spring and rebound adjuster rod.
Drain the oil.
Pump the piston rod up and down to drain oil from the cylinder.
I.19
Part. N. 8000 H1489 (10-2009)