Yamaha YZFR6X(C) 2008 Service Manual page 226

Cylinder head nut (1st)
25 Nm (2.5 m·kg, 18 ft·lb)
Cylinder head nut (final)
42 Nm (4.2 m·kg, 31 ft·lb)
• Cylinder head cap nuts "8", "9"
Cylinder head cap nut (1st)
30 Nm (3.0 m·kg, 22 ft·lb)
Cylinder head cap nut (final)
60 Nm (6.0 m·kg, 44 ft·lb)
• Cylinder head bolts "11", "12"
Cylinder head bolt
12 Nm (1.2 m·kg, 8.9 ft·lb)
NOTE:
• Lubricate the bolt threads and the bearing
surfaces with engine oil.
• Tighten the cylinder head nuts, cap nuts, and
bolts in the proper tightening sequence as
shown and torque them in two stages.
6 2
8
9
3 1
4 10
12
11
7
5
5-17
CYLINDER HEAD