Engine Tightening Torques - Yamaha MT-03 Service Manual

ENGINE TIGHTENING TORQUES

Item
Cylinder head stud bolts
(exhaust pipe)
Cylinder head (left side)
L=145 mm (5.71 in)
Cylinder head (right side)
L=135 mm (5.31 in)
Cylinder head (center lower side)
Cylinder head
Spark plug
Cylinder (left side)
L=116 mm (4.57 in)
Cylinder (right side)
L=109 mm (4.29 in)
Cylinder
Tappet cover (exhaust side)
Tappet cover (intake side)
Camshaft sprocket cover
Camshaft sprocket
Camshaft retainer
Valve adjusting screw
Balancer driven gear
Primary drive gear
Timing chain tensioner
Timing chain tensioner cap
Timing chain guide (intake)
Thermostat cover
Coolant temperature sensor
Water pump cover
Water pump assembly
Water pump outlet pipe
Thread Q'ty
size
M8 4
M9 2
M9 2
M9 2
M6 2
M10S 1
1 st M10 2
2
nd
1 st M10 2
2 nd
M6 2
M6 4
M6 4
M6 2
M7 2
M6 2
M6 4
M18 1
M20 1
M6 2
M16 1
M6 2
M6 2
M12 1
M6 3
M6 2
M6 1
2-17
TIGHTENING TORQUES
Tightening torque
15 Nm (1.5 m·kg, 11 ft·lb)
50 Nm (5.0 m·kg, 36 ft·lb)
50 Nm (5.0 m·kg, 36 ft·lb)
45 Nm (4.5 m·kg, 32 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
13 Nm (1.3 m·kg, 9.4 ft·lb)
15 Nm (1.5 m·kg, 11 ft·lb)
50 Nm (5.0 m·kg, 36 ft·lb)
15 Nm (1.5 m·kg, 11 ft·lb)
50 Nm (5.0 m·kg, 36 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
20 Nm (2.0 m·kg, 14 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
14 Nm (1.4 m·kg, 10 ft·lb)
70 Nm (7.0 m·kg, 50 ft·lb)
80 Nm (8.0 m·kg, 58 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
20 Nm (2.0 m·kg, 14 ft·lb)
8 Nm (0.8 m·kg, 5.8 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
18 Nm (1.8 m·kg, 13 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
10 Nm (1.0 m·kg, 7.2 ft·lb)
Remarks
Use a lock
washer.
Use the
lock
washer.