CYLINDER HEAD AND OIL PUMP
CHECKING THE SPARK PLUG
Check:
ī
Spark plug
Refer to āCHECKING THE SPARK
PLUGSā on page 3-23.
INSTALLING THE OIL PUMP
Install:
ī
Oil pump
NOTE:
Before installing to the cylinder head, add a
drop of approx. 1 cc of Yamaha 4-stroke
outboard motor oil from suction port
a
or
discharge port
b
.
INSTALLING THE CYLINDER HEAD
Install:
ī
Cylinder head
NOTE:
Tighten the cylinder head mounting bolt in
sequence and two steps of torque.
Cylinder head mounting bolt
1st:
M8: 15 N
ī
m (1.5 kgf
ī
m, 11.1 ft
ī
lb)
M6: 6 N
ī
m (0.6 kgf
ī
m, 4.4 ft
ī
lb)
2nd:
M8: 30 N
ī
m (3.0 kgf
ī
m, 22.1 ft
ī
lb)
M6: 12 N
ī
m (1.2 kgf
ī
m, 8.8 ft
ī
lb)
5-39