Tightening Torque; Engine Tightening Torque - Yamaha XT660R S Service Manual

TIGHTENING TORQUE

ENGINE TIGHTENING TORQUE

Part to be tightened
Cylinder head (exhaust pipe)
Cylinder head (left side)
= 145 mm (5.71 in)
Cylinder head (right side)
= 135 mm (5.31 in)
Cylinder head (center lower side)
Cylinder head
Spark plug
Cylinder (left side)
= 116 mm (4.57 in)
Cylinder (right side)
= 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
Water jacket joint
Crankcase cover (right)
TIGHTENING TORQUE
Part name
Stud bolt
Bolt
Bolt
Bolt
Bolt
—
Bolt
1st
2nd
Bolt
1st
2nd
Bolt
Bolt
Bolt
Bolt
Bolt
Bolt
Nut
Nut
Nut
Bolt
Bolt
Bolt
Bolt
—
Bolt
Bolt
Bolt
Bolt
Bolt
http://manuals.magnamaniac.com
2 - 20
Tightening torque
Thread
Q'ty
size
Nm m · kg ft · lb
M8 4 15
M9 2 50
M9 2 50
M9 2 45
M6 2 10
M10S 1 13
M10 2 15
50
M10 2 15
50
M6 2 10
M6 4 10
M6 4 10
M6 2 10
M7 2 20
M6 2 10
M6 4 14
M18 1 70
M20 1 80
M6 2 10
M16 1 20
M6 2 8
M6 2 10
M12 1 18
M6 3 10
M6 2 10
M6 1 10
M6 2 10
M6 9 10
SPEC
Remarks
1.5 11
5.0 36
E
5.0 36
E
4.5 32
E
1.0 7.2
1.3 9.4
1.5 11
E
5.0 36
1.5 11
E
5.0 36
1.0 7.2
1.0 7.2
1.0 7.2
1.0 7.2
2.0 14
1.0 7.2
LT
1.4 10
Use a lock
washer.
7.0 50
E
Use the lock
washer.
8.0 58
M
1.0 7.2
2.0 14
0.8 5.8
1.0 7.2
1.8 13
1.0 7.2
1.0 7.2
1.0 7.2
1.0 7.2
1.0 7.2