2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 142Get this manual
ENGINE REMOVAL
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)