Yamaha F225F, Service Manual

Page: 369 / 576

7-86
Cylinder block
0
1
2
3
4
5
6
7
8
9
10
A
Checking the crankshaft journal oil
clearance
After checking the crankshaft journal oil
clearance, check the crankcase bolts. See
“Checking the crankcase bolt” (7-81).
1. Clean the crankshaft journal bearings,
crankshaft journals, and bearing portions
of the crankcase and cylinder block.
2. Place the cylinder block upside down.
3. Install the crankshaft journal bearings
a
and crankshaft
b
into the cylinder block
c
.
TIP:
Install the crankshaft journal bearings
a
in
the original positions.
4. Place a piece of Plastigauge (PG-1) on
each crankshaft journal
a
, parallel to the
crankshaft.
TIP:
Do not place the Plastigauge (PG-1) over the
oil hole in each crankshaft journal.
5. Install the crankshaft journal bearings
into the crankcase.
TIP:
Install the crankshaft journal bearings in the
original positions.
6. Install the crankcase
d
, and then tighten
the crankcase bolts
e
and
f
to the
specified torques in 2 stages and in the
order
a
,
b
, and so on.
7. Tighten the crankcase bolts
g
to the
specified torques in 2 stages and in the
order
q
,
r
, and so on.
c
b
a
a
d
g
e
f
f e
f
e
m
w
i
d
v
z
F
a
s
l
p
h
n
B
x
b
j
t
c
k
u
o
y
g
C
D q r E
g
A
b
90˚