3. INSPECTION/ADJUSTMENT MXU 300/250 To tighten the chain, push the ATV forward. To loosen the chain, pull the ATV backward. Bolts Retighten the two axle hub holder bolt and caliper holder bolt to the specification. Torque: Axle hub holding bolt: 4 kgf-m (40 Nm, 29 lbf-ft) Caliper holder bolt: 1 kgf-m (10 Nm, 7.2 lbf-ft) Bolt Pin Pull out the pin. 3-22