PERIODIC MAINTENANCE 2-29 EXHAUST PIPE BOLT AND NUT Tighten initially at 1 000 km (600 miles, 2 months) and every 12 000 km (7 500 miles, 24 months) thereafter. • Tighten the exhaust pipe bolts, muffler mounting bolt and nut to the specified torque. E L P M A S 1 Gasket 2 Exhaust pipe connector  ITEM N·m kgf-m lb-ft AB 23 2.3 16.5 CD  Replace the gaskets and exhaust pipe connector with the new ones.