Yamaha YZF-R1 2007, Руководство по обслуживанию

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CYLINDER HEAD
5-20
2. Install:
• Gasket “1”
• Dowel pins
3. Install:
• Cylinder head
NOTE:
Pass the timing chain through the timing chain
cavity.
4. Tighten:
• Cylinder head nuts “1” – “10”
• Cylinder head nuts “7” “10”
• Cylinder head bolts “11” “12”
NOTE:
• First, tighten the nuts “1” – “10” to approxi-
mately 10 Nm (1.0 m·kg, 7.2 ft·lb) with a
torque wrench, and then tighten the 25 Nm
(2.5 m·kg, 18 ft·lb).
• Retighten the nuts “1” – “10” to 40 Nm (4.0
m·kg, 29 ft·lb) with a torque wrench.
• Final, tighten the nuts “7”, “10” to 55 Nm (5.5
m·kg, 40 ft·lb) with a torque wrench.
• Lubricate the cylinder head nuts with engine
oil.
• Tighten the cylinder head nuts in the proper
tightening sequence as shown and torque
them in four stages.
5. Install:
• Exhaust camshaft
• Intake camshaft
Refer to "INSTALLING THE CAMSHAFTS"
on page 5-15.
Cylinder head nut (1st)
10 Nm (1.0 m·kg, 7.2 ft·lb)
Cylinder head nut (2nd)
25 Nm (2.5 m·kg, 18 ft·lb)
Cylinder head nut (3rd)
40 Nm (4.0 m·kg, 29 ft·lb)
Cylinder head nut (final)
55 Nm (5.5 m·kg, 40 ft·lb)
Cylinder head bolt
12 Nm (1.2 m·kg, 8.7 ft·lb)
New
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