2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 141Get this manual
ENGINE REMOVAL EBS00205
ENGINE MOUNTING BOLTS
26 Nm (2.6 kg, 19 ft Ib)
33 Nm (3.3 kg, 24 ft Ib)
40 Nm (4.0 kg, 29 ft Ib)
100 Nm (10.0 kg, 72 ft lb)5 10 12RT
2 1366 Nm (6.6 kg, 48 ft Ib)
38 Nm (3.8 kg, 27 ft Ib)