Yamaha WR450FB 2012 Owner's Service Manual page 62

TIGHTENING TORQUES
Item
Thread
Q'ty Tightening torque Remarks
size
Segment
MB
1 30 Nm (3.0 m·kgf, 22 ft-lbf)
Impeller
MB
1 14 Nm (1.4 m·kgf, 10 ft·lbf)
Water pump housing cover bolt
M6
3 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Coolant drain bolt
M6
1 1 O Nm (1.0 m·kgf, 7.2 ft·lbf)
Clutch cable holder bolt
M6
1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Radiator hose clamp screw
M6
B
2.0 Nm (0.20 m·kgf, 1.4 ft·lbf)
Radiator bolt
M6 6
1 O Nm (1.0 m·kgf, 7.2 ft·lbf)
Radiator pipe 1, 2
M6
2
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
TIP~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-
*1 :First, tighten the cylinder head bolts to 30 Nm (3.0 m·kgf, 22 ft·lbf) in the proper tightening se-
quence and remove them. Then, after retightening them to 20 Nm (2.0 m·kgf, 14 ft·lbf) in the same
sequence, tighten them further two times each by 90°to attain the specified angle of 180°.
FWD
x2 x4
ll
2-16