Installing The Cylinder Head - Yamaha YZF-R1S Service Manual

CYLINDER HEAD
EAS00233

INSTALLING THE CYLINDER HEAD

1. Check:
S cylinder head bolts 1
NOTE:
Retighten the cylinder head bolts to specifica-
tion, before installing the cylinder head.
2. Install:
S gasket
New
S dowel pins
3. Install:
S cylinder head
NOTE:
Pass the timing chain through the timing chain
cavity.
4. Tighten:
S cylinder head nuts 1 X
1st
2nd
S cylinder head bolts
NOTE:
S First, tighten the nuts 1 X
ly 19 Nm (1.9 mSkg, 14 ftSlb) with a torque
wrench, and then tighten the 67 Nm (6.7 mSkg,
48 ftSlb).
S Lubricate the cylinder head nuts with engine
oil.
S Tighten the cylinder head nuts in the proper
tightening sequence as shown and torque
them in two stages.
5. Install:
S exhaust camshaft
S intake camshaft
Refer to "INSTALLING THE CAMSHAFTS".
5-24
ENG
8 Nm (0.8 mSkg, 5.8 ftSlb)
1
10
19 Nm (1.9 mSkg, 14 ftSlb)
67 Nm (6.7 mSkg, 48 ftSlb)
11 12
12 Nm (1.2 mSkg, 8.7 ftSlb)
to approximate-
10