Husqvarna 2013 TC 250R Workshop Manual page 182

ENGINE REASSEMBLY
TE 250R - 310R 2013 I.E. / TE 310R 2013 I.E. USA
TC 250R 2013 - TC 250R 2013 I.E. USA
TXC 250R - 310R 2013 I.E. USA
Place a dummy gear (8) or an aluminium shim between clutch housing (7) gear
and double gear (4), and then tighten the primary drive shaft nut (9) (use a 22
mm wrench, 100 Nm, 10 Kgm, 72.50 ft/lb).
Workshop Manual Ed. 07-2012
H.34