Yamaha F4 Service Manual page 148

POWR
EXPLODED DIAGRAM
3
2
4
1
REMOVAL AND INSTALLATION CHART
Step Procedure/Part name
8 Cylinder head ass'y
9 Push rod
10 Gasket (cylinder head)
11 Dowel pins
CYLINDER HEAD AND PUSH ROD
4
11
3
1st 15 Nm (1.5 m•kg, 10.8 ft•lb)
2nd 30 Nm (3.0 m•kg, 22 ft•lb)
9
8
10
1st 6 Nm (0.6 m•kg, 4.3 ft•lb)
2nd 12 Nm (1.2 m•kg, 8.7 ft•lb)
M6 x 45 mm
Q'ty
1
2 Refer to "SERVICE POINTS" section.
1
Not reusable
NOTE:
9Clean the cylinder head and cylinder
body mating surface thoroughly.
9When installing the gasket, do not
touch it with oily or greasy hands and
do not apply any sealant.
2
Reverse the removal steps for installation.
5-12
2
2
M6 x 12 mm
11 Nm (1.1 m•kg, 8.0 ft•lb)
M8 x 40 mm
6
M8 x 60 mm
5
25 Nm (2.5 m•kg, 18 ft•lb)
Service points
E
7
6
1