Kohler 4EOZ - Page 101

TP-6137 5/03 89Section 10 Generator and Engine Disassembly/Reassembly
10.6 Engine Component Dimensions and Wear (Continued)
Dimensions
Original Max. Limit
Part Description
Max. mm (in.) Min. mm (in.) mm (in.)
Connecting Rod
Large bore diameter (without bearing)
S
m
a
l
l
b
o
r
e
d
i
a
m
e
t
e
r
(
w
i
t
h
o
u
t
b
e
a
r
i
n
g
)
43.666 (1.7191)
2
4
9
8
6
(
0
9
8
3
7
)
43.650 (1.7185)
2
4
9
7
4
(
0
9
8
3
2
)
--
--
S
ma
l
l
b
ore
d
i
ame
t
er
(
w
i
t
h
ou
t
b
ear
i
ng
)
Outer bushing diameter
Inner bushing diameter
2
4
.
9
8
6
(
0
.
9
8
3
7
)
25.075 (0.9872)
22.050 (0.8681)
2
4
.
9
7
4
(
0
.
9
8
3
2
)
25.035 (0.9856)
22.030 (0.8673)
--
--
--
Piston Pin
Outer diameter 22.000 (0.8661) 21.996 (0.8660) --
Camshaft
Camshaft gear journal diameter
Camshaft gear hole diameter
Crankcase hole diameter
Camshaft journal (in the crankcase) diameter
22.031 (0.8674)
22.000 (0.8661)
21.970 (0.8650)
21.930 (0.8634)
22.022 (0.8670)
21.980 (0.8654)
21.960 (0.8645)
21.910 (0.8626)
--
--
21.990 (0.8657)
21.860 (0.8606)
Cylinder Head
I
n
n
e
r
g
u
i
d
e
d
i
a
m
e
t
e
r
7
.
0
1
4
(
0
.
2
7
6
1
)
7
.
0
0
5
(
0
.
2
7
5
8
)
--
I
n
n
e
r
g
u
i
d
e
d
i
a
m
e
t
e
r
Outer guide diameter
H
e
a
d
p
r
o
t
r
u
s
i
o
n
o
f
t
h
e
i
n
t
a
k
e
v
a
l
v
e
g
u
i
d
e
7
.
0
1
4
(
0
.
2
7
6
1
)
10.019 (0.3944)
5
7
0
0
(
0
2
2
4
4
)
7
.
0
0
5
(
0
.
2
7
5
8
)
10.010 (0.3941)
(
*
)
--
--
Head protrusion o
f
the intake valve guide
Head protrusion of the exhaust valve guide
5.700 (0.2244)
6.200 (0.2441)
(
*
)
(*)
--
--
Clearance between the guide and stem valve
Valve face angle
0.049 (0.0019)
45_
0.025 (0.0009)
--
0.15 (0.0059)
--
V
a
l
v
e
f
a
c
e
a
n
g
l
e
Valve guide (in the head) hole diameter
V
a
l
v
e
h
e
a
d
r
e
c
e
s
s
i
n
g
4
5
9.988 (0.3932)
0
2
0
0
(
0
0
0
7
9
)
9.979 (0.3929)
0
1
0
0
(
0
0
0
3
9
)
--
0
6
0
0
(
0
0
2
3
6
)
V
a
l
v
e
h
e
a
d
r
e
c
e
s
s
i
n
g
(
*
)
P
d
t
i
l
t
h
l
i
d
d
i
t
t
h
l
l
f
0
.
2
0
0
(
0
.
0
0
7
9
)
0
.
1
0
0
(
0
.
0
0
3
9
)
0
.
6
0
0
(
0
.
0
2
3
6
)
(*) Press do
w
n until the lo
w
er guide edge is at the le
v
el o
f
the flat surface.