Husqvarna TE 250-310 2012 I.E. Workshop Manual page 186

ENGINE REASSEMBLY
TE 250 - 310 2012 I.E. / TE 250 - 310 2012 I.E. USA
TC 250 2012 - TC 250 2012 I.E. USA
TXC 250 - 310 2012 I.E. USA
Install the input and output shaft assembly making sure the output shaft (3)
shim is in place.
Lubricate the three shifter forks (4) with engine oil and install them.
Make sure the bushings (5) are correctly in place (grease the bushings).
Workshop Manual Ed. 12-2011
H.24