Yamaha F150B, Service Manual

Page: 247 / 458

7-34
Exhaust cover
0
1
2
3
4
5
6
7
8
9
10
A
Removing the exhaust cover
1. Remove the cover
a
and thermostat
b
.
2. Remove the exhaust cover bolts in the
sequence numbers (
a
,
b
, · · ·).
Checking the exhaust cover anode
1. Check the anodes. Clean if there are
scales, grease, or oil.
NOTICE: Do not
oil, grease, or paint the anodes, other-
wise they will be ineffective.
2. Replace the anodes if excessively
eroded.
Checking the PCV
1. Remove the PCV
a
.
2. Check the PCV
a
for wear or damage.
Replace if necessary.
3. Check the grommet
b
for deformation.
Replace if necessary.
4. Check the spring
c
for fatigue or
deformation. Replace if necessary.
Installing the PCV
Install a new gasket
a
and the PCV
b
, and
then tighten the bolts.
Installing the exhaust cover
1. Install a new gasket and the exhaust
cover, and then tighten the bolts to the
specified torques in 2 stages and in the
sequence numbers (
a
,
b
, · · ·).
2. Install a new gasket
a
, thermostat
b
,
cover
c
, and then tighten the bolts
d
to
the specified torques in 2 stages.
a
b
a
b
c d
e
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Exhaust cover bolt:
1st: 6 N·m (0.6 kgf·m, 4.4 ft·lb)
2nd: 12 N·m (1.2 kgf·m, 8.9 ft·lb)
a
b
c
LT
572
LT
a
b
b
a
b
c
d
e
f
g
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