Cylinder Head And Push Rod; Exploded Diagram; Removal And Installation Chart; Service Points - YAMAHA Marine F4A Manual De Servicio

POWR

CYLINDER HEAD AND PUSH ROD

EXPLODED DIAGRAM

3
2
4
1

REMOVAL AND INSTALLATION CHART

Step Procedure/Part name
CYLINDER HEAD AND PUSH ROD
REMOVAL
1 Spark plug
2 Bolt (cylinder head cover)
3 Cylinder head cover
4 Gasket (cylinder head cover)
5 Bolt (cylinder head)
6 Bolt (cylinder head)
7 Bolt (cylinder head)
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
Follow the left "Step" for removal.
NOTE:
9Cylinder head maintenance is possible
with the power unit mounted.
9Loosen the locknut (rocker arm), to
install the cylinder head and push rod.
1
4
1
Not reusable
1
1
3
1
5-11
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