2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 39Get this manual
TIGHTENING TORQUES EBS01005
TIGHTENING TORQUES
ENGINE TIGHTENING TORQUES Part to be tightened Spark plug Cylinder head cover Camshaft cap Cylinder head blind plug screw Timing chain tensioner Timing chain tensioner cap Timing chain guide (intake) Cylinder head (exhaust pipe) Cylinder head (timing chain side) Cylinder head Part name Thread Q'ty size Tightening torque Nm kg ft lb 13 1.3 9.4 10 1.0 7.2 10 1.0 7.2 37 3.7 27 10 1.0 7.2 0.7 5.1 10 1.0 7.2 15 1.5 11 0.7 5.1 See NOTE1 10 1.0 7.2 10 1.0 7.2 10 19 20 10 10 10 20 18 10 10 10 24 13 34 20 10 10 10 14 10 1.0 1.9 2.0 1.0 0.2 1.0 1.0 2.0 1.8 1.0 0.8 0.8 1.0 1.0 2.4 1.3 0.7 0.7 3.4 2.0 1.0 1.0 0.7 0.9 1.0 1.4 1.0 7.2 13 14 7.2 1.4 7.2 7.2 14 13 7.2 7.2 7.2 17 9.4 5.1 5.1 24 14 7.2 7.2 5.1 6.5 7.2 10 7.2 Remarks