Main
bearing
journals
Diameter,
standard
0,250
m
m
under-size
. .
.
. . . . . . .
.
. . .
.
.
.
.
.
. . . . .
.
.
.
. . .
. .
.
0,500
mm
under-size-
. . . . . . . . .
.
. . .
59,987-60,000
(2,36169-2,36220
in
.)
59,737-59,750
(2,35185-2,35236
in
.)
59,487-59,500
(2,34200-2,34252
in .)
Big-endbearing
shells
Thickness,
standard
. . .
.
. . . . . . . . . . . .
. .
. . . . . . .
.
. . . . . .
. .
.
0,250
mm
over-size
. . .
. . . . . . . . . . . . .
. .
. . . . . . . . . . . . . .
. .
.
0,500
mm
over-size
. .
.
.
.
. . . . . . . . . . .
. .
. . . . . . .
.
. . . . . .
. .
.
1,478-1,488
(0,05819-0,05858
in
.)
1,603-1,613
(0,06311-0,06350
in
.)
1,728-1,738
(0,06803-0,06843
in
.)
Connecting
rods
Axial
clearance
at the
crankshaft
. .
.
. . .
.
. . .
.
. . .
. . .
. .
. . .
.
0,15-0,35
mm
(0,00590-0,01378
in
.)
Camshaft
Axial
clearance
. . . .
.
.
. .
.
.
.
.
.
. . .
.
. .
.
. . . .
.
. . . . . . . .
.
.
.
. . . .
Radial
clearance
in
bearings
. . .
.
. . .
.
. . .
.
Camshaft
diameter
.
. . .
.
.
.
.
.
. . .
.
. . .
.
. . .
.
. . . . . . . .
.
.
.
. . . .
Lifting
height
of
cams
.
.
. . . . . . . . .
.---
.----------
.
.
.--
. .
0,160-0,300
mm
(0,0063-0,01181
in
.)
0,020-0,075
mm
(0,000787-0,00295
in
.)
46,975-47,000
(1,8494-1,85039
in
.)
5,48-5,52
mm
(0,21575-0,21732
in
.)
Main
bearing
shells
Thickness,
standard
.
. .- - . - . . . . . . .
. . .
.
.
. . . . .
.
. . . . . .
2,987-2,997
(0,11760-0,11799
in
.)
0,250
mm
over-size
. . . . . . .
.
. . . . . . .
.
.
.
.
.
. . . . .
.
. . . . . .
.
. .
3,112-3,122
(0,12252-0,12291
in
.)
0,500
mm
over-size
. . .
.
-- - . - . . .
.
. . . . . . . . .
.
.
.
. . . . . . . . .
3,237-3,247
(0,12744-0,12783
in
.)
Big-end
journals
Diameter,
standard
.
. .
.
.
. . . . . . . . . . . . . . .
.
. . .
.
. . .
.
. . .
.
. . .
47,989-48,000
(1,88933-1,88976
in
.)
0,250
mm
aver-size
---
.
. . .
.
. . .
47,739-47
.750
(1,87949-1,87992
in
.)
0,500
m
m
over-size
.-
.--
.
.-
. . . . . . . . .
.
.
.
. . .
.
. . .
.
. . .
.
. . .
47,489-47,500
(1,86965-1,87008
in
.)
Bushing
diameter
.
.
. . .
.
. . .
.
. . . . .
.
.
.
. . .
.------------
. . .
47,02-47,05
mm
(1,85118-1,85236
in
.)
Cylinder
head
Material
. .
.
. .
.
.
.
. . .
. .
. . . . . . .
.
. . . . .
.
. . . . . . .
.
. . . . .
.
.
.
. . .
Special
alloy
cast
iron
Inlet
valves
20031
Disc
diameter
. . . . . .
.
. . . .
. . . . . . . . . . . . . . . . . .
.
. . .
.
.
.
.
.
. . .
34,4-34,6
mm
(1,35433-1
.36220
in
.)
35,8-36,0
mm
Stem
diameter
. . . . . .
.
. . . . . . . . . . . . . . . . . . .
.
.
.
. . .
.
.
.
.
.
. . .
7,955x7,970
mm
(0,31319-0,31378
in
.)
7,995-7,970
mm
Valve
seat
angle
. . .
.
. . . . . . . . . . . . . . . . . . . . . .
.
. . .
.
.
.
.
.
. . .
44°55'-44
°
85'
29°45'--30
15'
Cylinder
head
seat
angle
. . . .
.
. . . . . . . . . . . . .
.
. . .
.
.
.
.
.
. . .
45°
30°
Seat
width
in
the
cylinder
head
. . . . . . . . . . . . . . . . . .
.
.
.
. . .
appr
.
1
mm
(0,03)37
in
.)
appr
.
1
mm
!0
.03)37
in
.
Clearance,
cold/warm
engine
. . . . . . . .
.
. . . . . . . . . . . . .
. . .
.
Exhaust
valves
Disc
diameter
.
.
. .
.
. . .
.
.
----
. . . .
.
.
.
.
.
.
.
.
.
. . .
.
. . . . . . .
.
.
.
0,3
mm
(0,011811
in
.)
0
.3
mm
(0,011811
in
.)
29,9-30,1
mm
(1,14716-1,18504
in
.)
Stem
diameter
.
. .
.
.
.
.
.
.
.
.
.
. . .
.
.
.
. . .
.
.
.
. . . . .
.
. . . . . . .
.
.
.
7,950-7,465
mm
(0
.31299-0,31339
in
.)
Valve
seat
angle
.
.
. . .
.
.
.
.
.
. . .
.
.
.
. . . . .
.
.
.
. . .
.
. . . . . . .
.
.
.
44°55'-44°85'
Cylinder
head
seat
angle
-
.
. - . . .
.
. . . . .
.
.
.
. . . . . . . . . .
45
°
Seat
width-in
the
cylinder
head
.
--
.
. . .
.
.
.
.
.
. . . . . . .
.
.
.
. .
appr
.
1
mm
(0,03937
in
.)
Clearance,
cold/warm
engine
-----
.
. . .
.
.
.
.
.
. . .
.--
. .
.---
0,3
mm
(0,011811
in
.)
Valve
guides
Length,
inlet
valve
. .
.
. . . . . . . . . . .
.
.
.
. . .
.
.
.
.
.
. . .
. .
.
.
. . . .
38
mm
(1,49606
in
.)
Length,
outlet
valve
.
.
. .
.
. . . . . . . .
.
.
.
. . .
.
.
.
. . . . .
.
. .
.
. . . .
38
mm
(1,49606
i
n
.)
Inner
diameter
------------
. . . . . .
.
.
.
. . .
.
.
.
. . . . .
.
. . .
.
. . .
8,000-8,015
(0,31496-0,31555
in
.)
Height
above
spring-plane
of
cylinder
head
.
.
. . .
.
.
.
.
.
. . .
8,70-9,30
mm
(0,34252-0,36614
in
.)
Valve
springs
Length,
unloaded
. . .
.
. . . . . . . . .
.
.
.
. . .
.
.
.
. . . . . . . . . . . . .
42,5
mm
(1,67323
in
.)
Loaded
with
170±10
N
(17±1
kp)
. .
.
. . .
.
.
.
. . . . .
.
.
.
.
.
. . .
32
mm
(1
.25984
in
.)
Loaded
with
300±20
N
(30±2
kp)
. . . . . . . . . .
.
. . . . .
.
.
.
. . .
24
mm
(0,94488
in
.)
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