1. GENERAL INFORMATION MXU 550EXi/MXU500i TORQUE VALUES STANDARD TORQUE VALUES Torque Torque Item Item kgf-m (N-m, lbf-ft) kgf-m (N-m, lbf-ft) 5mm bolt and nut 0.5 (5, 3.6) 4mm screw 0.3 (3, 2.2) 6mm bolt and nut 1 (10, 7.2) 5mm screw 0.4 (4, 2.9) 8mm bolt and nut 2.2 (22, 16) 6mm screw, SH bolt 0.9 (9, 6.5) 10mm bolt and nut 3.5 (35, 25) 6mm flange bolt and nut 1.2 (12, 9) 12mm bolt and nut 5.5 (55, 40) 8mm flange bolt and nut 2.7 (27, 20) 14mm bolt and nut 7 (70, 50) 10mm flange bolt and nut 4 (40, 29) Torque specifications listed below are for important fasteners. ENGINE Item Q`ty Thread dia. Torque Remarks (mm) kgf-m (N-m, lbf-ft) MAINTENANCE: Spark plug 1 10 1.2 (12, 8.6) Tappet ADJ nut 4 5 0.9 (9, 6.5) Engine oil filter cap 1 30 1.5 (15, 11) Apply oil Engine oil filter cartridge 1 20 1 (10, 7.2) Apply oil Engine drain plug 1 12 2.5 (25, 18) LUBRICATION SYSTEM: Oil pump screw 1 4 0.3 (3, 2) Oil pipe bolt 2 16 3.5 (35, 25.2) Apply oil COOLING SYSTEM: Water pump bolt 2 6 1.3 (13, 9) Fan motor bolt 4 5 0.53 (5, 2.8) Fan motor switch 1 16 1.8 (17, 13) (Cont'd) 1-12