Engine Tightening Torques - Yamaha WR450FB 2012 Owner's Service Manual

TIGHTENING TORQUES
EAS1DX3070
ENGINE TIGHTENING TORQUES
TIP~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-
~
- marked portion shall be checked for torque tightening after break-in.
Item
Thread
Q'ty Tightening torque
Remarks
size
Camshaft cap bolt M6 10 10 Nm {1.0 m·kgf, 7.2 ft·lbf)
Cylinder head blind plug M12 1 2B Nm {2.B m·kgf, 20 ft·lbf)
-«I
Cylinder head stud bolt MB 1 15 Nm {1.5 m·kgf, 11 ft·lbf)
Spark plug M10 1 13 Nm (1.3 m·kgf, 9.4 ft·lbf)
Cylinder head bolt
M10 4 See TIP.
Cylinder head cover bolt M6
2
1 O Nm {1.0 m·kgf, 7.2 ft· I bf)
Cylinder head bolt M6
2
1
O
Nm {1.0 m·kgf, 7.2 ft·lbf)
Coolant temperature sensor M10
1
16 Nm {1.6 m·kgf, 11 ft·lbf)
Cylinder bolt M6
1
1
O
Nm {1.0 m·kgf, 7.2 ft·lbf)
Lock
Balancer bolt M10 1
45 Nm {4.5 m·kgf, 32 ft·lbf) washer
use
Balancer weight plate screw
M6
3 1
O
Nm {1.0 m·kgf, 7.2 ft·lbf)
-'3
Lock
Balancer driven gear nut M14 1
50 Nm {5.0 m·kgf, 36 ft·lbf) washer
use
Timing chain tensioner bolt M6 2
10 Nm {1.0 m·kgf, 7.2 ft·lbf)
Timing chain tensioner cap bolt M6 1
10 Nm {1.0 m·kgf, 7.2 ft·lbf)
Timing chain guide bolt M6
2
-·1 O Nm (1.0 m·kgf, 7.2 ft·lbf)
Oil filter cover bolt M6
2
1 O Nm {1.0 m·kgf, 7.2 ft-lbf)
Oil pump bolt
M6 2
10 Nm {1.0 m·kgf, 7.2 ft·lbf)
Oil pump cover bolt
M4 1
2.0 Nm {0.20 m·kgf, 1.4 ft·lbf)
Oil pump drive gear shaft screw M6 1
10 Nm {1.0 m·kgf, 7.2 ft·lbf)
Engine oil drain bolt {oil filter) M6 1
1
O
Nm {1.0 m·kgf, 7.2 ft·lbf)
Oil check bolt
M6 1
1
O
Nm {1.0 m·kgf, 7.2 ft·lbf)
Oil hose clamp
-
2
2.0 Nm {0.20 m·kgf, 1.4 ft·lbf)
Oil strainer bolt M6 1
1
O
Nm {1.0 m·kgf, 7.2 ft· I bf)
Throttle body joint bolt M6 3
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
Throttle body joint clamp screw M4 1
3.0 Nm (0.30 m·kgf, 2.2 ft·lbf)
Air filter case bolt M6
2
8 Nm {0.8 m·kgf, 5.8 ft·lbf)
Ai_r filter joint clamp bolt M6 1 3.0 Nm {0.30 m·kgf, 2.2 ft·lbf)
Air filter.joint and air filter case bolt MS
1
4.0 Nm {0.40 m·kgf, 2.9 ft·lbf)
Exhaust pipe nut
MB
1
20 Nm (2.0 m·kgf, 14 ft·lbf)
Exhaust pipe bolt
MB
1
20 Nm {2.0 m·kgf, 14 ft·lbf)
Muffler bolt
MB
2
30 Nm {3.0 m·kgf, 22 ft·lbf)
Muffler clamp bolt
MB 1 16 Nm (1.6 m·kgf, 11 ft·lbf)
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