Yamaha YZFR1Y(C) 2009 Service Manual page 268

2. Install:
• Cylinder head gasket "2"
• Dowel pins
3. Install:
• Cylinder head
• Washers New
• Cylinder head nuts
• Cylinder head bolts
TIP
• Pass the timing chain through the timing
chain cavity.
• Lubricate the cylinder head nuts and wash-
ers with engine oil.
4. Tighten:
• Cylinder head nuts "1"–"10"
• Cylinder head bolts "11", "12"
Cylinder head nut
1st: 10 Nm (1.0 m·kgf, 7.2
ft·lbf)
2nd: 25 Nm (2.5 m·kgf, 18
ft·lbf)
3rd: Bolt "1"–"7", "10" +115–
125° Bolt "8", "9" +130–140°
Cylinder head bolt
12 Nm (1.2 m·kgf, 8.7 ft·lbf)
TIP
Tighten the cylinder head nuts in the tightening
sequence as shown and torque them in 3
stages.
New
New
5-27
CYLINDER HEAD
5. Install:
• Exhaust camshaft
• Intake camshaft
Refer to "INSTALLING THE CAM-
SHAFTS" on page 5-20.