Yamaha WR450FB 2012 Owner's Service Manual page 61

TIGHTENING TORQUES
Item
Thread
Q'ty
Tightening torque Remarks
size
Exhaust pipe protector screw
M6 3
1 O Nm (1.0 m·kgf, 7.2 ft-lbf)
-Cl
Spark arrester bolt
MS 4
9 Nm (0.9 m·kgf, 6.4 ft-lbf)
Muffler cap bolt
MS 6
S Nm (O.S m·kgf, 3.6 ft·lbf)
Throttle cable (pull) nut M6
1 4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Throttle cable (return) nut
M6 1 4.0 Nm {0.40 m·kgf, 2.9 ft·lbf)
Throttle cable cover bolt
MS
2
4.0 Nm {0.40 m·kgf, 2.9 ft·lbf)
Throttle body joint
M6 3 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankcase bolt
M6 12 12 Nm (1.2 m·kgf, 8.7 ft-lbf)
Timing mark accessing screw M14 1 6 Nm (0.6 m·kgf, 4.3 ft·lbf)
Crankshaft end accessing screw M27
1 10 Nm (1.0 m·kgf, 7.2 ft-lbf)
Clutch cover bolt M6
7 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankcase cover bolt (left) M6 8 1 O Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankcase cover bolt (right) M6 8 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankcase cover (right) M6
2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Idle gear cover bolt M6 2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil drain bolt (crankcase right) M6 1 20 Nm (2.0 m·kgf, 14 ft·lbf)
Oil drain bolt (crankcase left) M6 1 20 Nm (2.0 m·kgf, 14 ft·lbf)
Oil drain bolt (crankcase) M6 1 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Crankcase bearing stopper screw M6 4 14 Nm (1.4 m·kgf, 10 ft·lbf)
-'1
Crankcase bearing stopper screw M6 8 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
-id
Drive axle oil seal stopper bolt M6 2 1 O Nm (1.0 m·kgf, 7.2 ft·lbf)
-G
Ratchet wheel guide bolt
M6 2 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
~
Kick starter crank bolt MB
1 33 Nm (3.3 m·kgf, 24 ft·lbf)
-(I
Kick starter crank boss screw M6
1 7 Nm (0.7 m·kgf, S.1 ft·lbf)
-t(J
Starter clutch nut
M6 6 16 Nm (1.6 m·kgf, 11 ft-lbf)
~
Starter motor bolt M6
2 10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Starter motor lead screw
MS 1 3.S Nm (0.3S m·kgf, 2.S ft·lbf)
Primary drive gear nut
M20 1
11 O Nm (11.0 m·kgf, 80 ft-lbf)
Clutch spring bolts
M6 6
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Clutch cable adjust bolt and lock nut
MS 1
4.0 Nm (0.40 m·kgf, 2.9 ft·lbf)
Lock
Clutch boss nut
M20 1 7S Nm (7.S m·kgf, 54 ft·lbf) washer
use
Lock
Drive sprocket nut
M20 1 75 Nm (7.5 m·kgf, 54 ft·lbf) washer
use
Drive chain sprocket cover nut
M6 2 7 Nm (0.7 m·kgf, S.1 ft-lbf)
Shift pedal bolt
M6 1 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Shift guide bolt
M6
2
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Stopper lever bolt
M6
1
1
o
Nm (1.0 m·kgf, 7.2 ft-lbf)
2-15