Yamaha Star XVS13AA(C) 2011, Service Manual

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TIGHTENING TORQUES
2-19
EAS20340
ENGINE TIGHTENING TORQUES
Item
Thread
size
Q’ty Tightening torque Remarks
Cylinder head stud bolt (exhaust
pipe)
M8 4 15 Nm (1.5 m·kg, 11 ft·lb)
Oil check bolt M8 2 15 Nm (1.5 m·kg, 11 ft·lb)
Cylinder head nut M12 8 65 Nm (6.5 m·kg, 47 ft·lb)
Cylinder head bolt M8 4 13 Nm (1.3 m·kg, 9.4 ft·lb)
Front cylinder head cover bolt M6 2 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 30 mm
(1.18 in)
Front cylinder head cover bolt*1 M6 2 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 45 mm
(1.77 in)
Front cylinder head cover bolt*1 M6 1 12 Nm (1.2 m·kg, 8.7 ft·lb)
l = 45 mm
(1.77 in)
Front cylinder head cover bolt*2 M6 1 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 50 mm
(1.97 in)
Front cylinder head cover bolt M6 2 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 55 mm
(2.17 in)
Rear cylinder head cover bolt M6 2 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 30 mm
(1.18 in)
Rear cylinder head cover bolt*1 M6 6 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 45 mm
(1.77 in)
Rear cylinder head cover bolt*1 M6 1 12 Nm (1.2 m·kg, 8.7 ft·lb)
l = 45 mm
(1.77 in)
Rear cylinder head cover bolt*2 M6 7 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 45 mm
(1.77 in)
Rear cylinder head cover bolt M6 2 10 Nm (1.0 m·kg, 7.2 ft·lb)
l = 55 mm
(2.17 in)
Front cylinder left cover M6 2 8 Nm (0.8 m·kg, 5.8 ft·lb)
Front cylinder right cover M6 2 8 Nm (0.8 m·kg, 5.8 ft·lb)
Rear cylinder left cover M6 2 8 Nm (0.8 m·kg, 5.8 ft·lb)
Rear cylinder right cover M6 2 8 Nm (0.8 m·kg, 5.8 ft·lb)
Spark plug M10 2 13 Nm (1.3 m·kg, 9.4 ft·lb)
Tappet cover bolt M6 8 10 Nm (1.0 m·kg, 7.2 ft·lb)
Timing chain tensioner housing
bolt
M6 2 10 Nm (1.0 m·kg, 7.2 ft·lb)
Timing chain tensioner bolt M6 4 10 Nm (1.0 m·kg, 7.2 ft·lb)
Connecting rod bolt (1st) M8 4 15 Nm (1.5 m·kg, 11 ft·lb)
See TIP.
Connecting rod bolt (final) M8 4 Specified angle 125–135°
See TIP.
Generator rotor bolt M12 1 90 Nm (9.0 m·kg, 65 ft·lb)
Right balancer assembly bolt M6 3 12 Nm (1.2 m·kg, 8.7 ft·lb)
Left balancer assembly bolt M6 3 12 Nm (1.2 m·kg, 8.7 ft·lb)
E
E
M
M
E
LT
LT