POWR
Power unit
5-39
67C3K11
Installing the cylinder head
1.
Install a new gasket, the dowels, and the
cylinder head, and then tighten the bolts
to the specified torques in the sequence
shown.
CAUTION:
Do not reuse the cylinder head gasket,
always replace it with a new one.
NOTE:
• Apply engine oil to the cylinder head bolts
before installation.
• Tighten the bolts to the specified torques in
2 stages.
2.
Adjust the valve clearances.
NOTE:
• Be sure to install the timing belt before
adjusting the valve clearances.
• To adjust the valve clearances, see
“Checking the valve clearance” (5-2).
T
R
.
.
Cylinder head bolt (M9):
1st: 23 N·m (2.3 kgf·m, 17.0 ft·lb)
2nd: 46 N·m (4.6 kgf·m, 33.9 ft·lb)
Cylinder head bolt (M6):
1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)
2nd: 12 N·m (1.2 kgf·m, 8.9 ft·lb)
S67C5115
B
A
0
9
8
7
6
5
4
3
2
1
E
E
Summary of Contents for F30A
Page 1: ...F30A F40B SERVICE MANUAL 67C 28197 3K 11 ...
Page 4: ......
Page 26: ...GEN INFO General information 1 21 67C3K11 MEMO ...
Page 150: ...POWR Power unit 5 55 67C3K11 MEMO ...
Page 236: ...BRKT Bracket unit 7 55 67C3K11 MEMO ...
Page 282: ......
Page 283: ...YAMAHA MOTOR CO LTD Printed in China Aug 2007 1 2 1 CR E ...