15. REAR WHEEL/AXLE/SUSPENSION/ DRIVING MECHANISM MXU 300/250 Tighten the two rear axle nuts (inner and outer). Note that the rear axle nuts are left threaded. Special tool: Nut wrench F010 Torque: 12 kgf-m (120 Nm, 86 lbf-ft) Adjust drive chain slack. (Refer to the "DRIVE CHAIN SLACK ADJUSTMENT" section in the CHAPTER 3.) Drive chain slack: 30 ~ 40mm 15-14