Husqvarna TC 250 2010 Workshop Manual page 122

ENGINE DISASSEMBLY
- Remove the snap ring (4), the washer (5) and the timing drive gear (6).
- Disassemble the shaft as shown in the diagram. On assembly, make sure that
the dot (7) on shaft end (8) and the dot (9) on the ratchet (10) are aligned.
F.24 Part. no. 8000 H1489 (10-2009)