engine DATSUN 210 1979 Workshop Manual
Page 56 of 548
Engine
Mechanical
INSPECTION
AND
ADJUSTMENT
CYLINDER
HEAD
AND
VALVE
Cylinder
head
Unit
mm
in
Standard
Limit
Head
surface
flatness
Less
than
0
05
0
0020
0
1
0
004
Valve
Unit
mm
in
j
I
Hot
Valve
clearance
I
Cold
Intake
valve
Exhaust
valve
0
35
0
014
0
25
0
010
Valve
lift
7
91
0
3114
8
22
0
3236
H
37
0
to
37
2
1
457
to
1
465
30
0
to
30
2
1
181
to
1
189
D
L
Valve
head
diameter
a
H
Valve
length
L
103
6
to
104
0
4
079
to
4
094
D
7
970
to
7
985
0
3138
to
0
3144
7
945
to
7
960
0
3128
to
0
3134
Valve
stem
diameter
EM769
Valve
seat
angle
a
45030
Valve
spring
Free
height
mm
in
46
5
1
831
Compressed
height
mm
kg
in
lb
30
2
22
2
to
25
6
valve
open
1
189
49
0
to
56
4
Assembled
height
mm
kg
in
lh
38
7
544
to
62
6
valve
closed
1
524
120
0
to
138
0
Out
of
square
S
mm
in
Less
than
1
6
0
063
EM
19
Page 57 of 548
Valve
guide
senice
INTAKE
f
D21
Dl
I
r
I
I
I
d
18
5
0
728
L
EXHAUST
II
3
0
118
t
81
o
8
5
327
to
0
335
Combustion
chamber
ide
Valve
guide
length
L
D
Valve
guide
Outer
diameter
D2
Valve
guide
Inner
diameter
Finished
size
d
Cylinder
head
valve
guide
hole
diameter
a
Interference
fit
of
valve
guide
In
Stem
to
guide
clearance
Ex
Engine
Mechanical
1
Unit
mm
in
EM770
Intake
for
Non
California
except
FU
Exhaust
49
1
93
EM171
Unit
mm
in
Intake
for
California
Canada
FU
model
for
Non
California
53
2
09
12
0331012
044
0
4737
to
0
4742
12
233
to
12
244
0
4816
to
0
4820
8
000
to
8
015
0
3150
to
0
3156
12
200
to
12
211
0
4803
to
0
4807
0
022
to
0
044
0
0009
to
0
0017
Standard
0
Q15
to
0
045
0
0006
to
0
0018
0
040
to
0
070
0
0016
to
0
0028
EM
20
Unit
mm
in
Max
tolerance
0
1
0
004
Page 58 of 548
Engine
Mechanical
Valve
seat
Intake
valve
insert
service
Non
California
Unit
mm
in
California
9anada
FU
model
H
L
I
I
D
D
1
02
1
1
1
J
Ol
I
I
D
38
580
to
38
596
1
5189
to
1
5195
D2
31
9
to
32
1
1
256
to
1
264
D3
36
5
to
36
7
I
437
to
I
445
H
5
9
to
6
0
0
232
to
0
236
L
1
3
to
2
3
0
051
to
0
091
0
600
O2
200
Do
38
500
to
38
516
1
5157
to
1
5164
D2
EM772
38
580
to
38
596
1
5189
to
1
5195
31
9
to
32
1
1
256
to
1
264
35
5
to
35
7
1
398
to
I
406
5
8
to
5
9
0
228
to
0
232
1
3
to
2
3
0
051
to
0
091
600
200
38
500
to
38
516
1
5157
to
1
5164
Do
Cylinder
head
valve
insert
hole
diameter
Exhaust
valve
insert
service
D
D
D2
I
D2
I
I
H
H
I
I
l
I
C
Do
C
EM773
EM
21
Unit
mm
in
33
580
to
33
596
1
3220
to
1
3227
26
85
to
27
15
1
0571
to
1
0689
5
9
to
6
0
0
232
to
0
236
0
8
to
1
0
0
031
to
0
039
33
500
to
33
516
1
3189
to
1
3195
Page 59 of 548
Engine
Mechanical
Finished
size
of
service
valve
insert
cutter
Intake
Exhaust
Unit
mm
in
For
Non
Clilifornia
except
FU
model
For
California
Canada
FU
model
for
Non
California
T
fil
@
Lr
I
I
JII
I
I
I
I
I
I
Dl
I
D
EM774
EM775
D
D2
36
5
to
36
7
1437
to
I
445
36
5
to
36
7
1
437
to
1
445
34
4
to
34
6
1
354
to
1
362
Unit
mm
in
All
models
j
III
900
C
WII
L
I
I
EM776
D
C
29
5
to
29
7
1
161
to
1
169
1
8
0
071
EM
22
Page 60 of 548
Engine
Mechanical
Valve
rocker
arm
and
shaft
Unit
mm
in
Rocke
shaft
outer
diameter
19
979
to
20
000
0
7866
to
0
7874
Rocker
arm
to
rocker
shaft
clearance
0
020
to
0
054
0
0008
to
0
002
Rocker
ann
bore
diameter
20
020
to
20
033
0
7882
to
0
7887
Valve
lifter
and
push
rod
Unit
mm
in
Standard
Wear
limit
Valve
lifter
lifter
hole
clearance
0
02
to
0
05
0
0008
to
0
0020
0
15
0
0059
CAMSHAn
Camshaft
journal
and
bearing
specifications
Standard
Camshaft
bearing
Camshaft
journal
Camshaft
journal
Bearing
Size
inner
diameter
diameter
to
bearing
clearance
No
I
43
833
to
43
843
43
783
to
43
796
0
037
to
0
060
I
7257
to
I
7261
1
7237
to
I
7242
0
0015
to
0
0024
No
2
43
323
to
43
333
43
283
to
43
296
0
027
to
0
050
1
7056
to
1
7060
I
7041
to
I
7046
0
0011
to
0
0020
Standard
No
3
42
836
to
42
846
42
783
to
42
796
0
040
to
0
063
1
6865
to
1
6868
1
6844
to
1
6849
0
0016
to
0
0025
No
4
42
323
to
42
333
42
283
to
42
296
0
027
to
0
05
1
6663
to
1
6667
1
6647
to
1
6652
0
00
II
to
0
0020
No
5
41
258
to
41
268
41
208
to
41
221
0
037
to
0
060
1
6243
to
1
6247
1
6224
to
1
6229
0
0015
to
0
0024
EM
23
Unit
mm
in
Camshaft
journal
to
bearing
clear
ance
wear
limit
0
15
0
0059
Page 61 of 548
Engine
Mechanical
Camshaft
journal
and
bearing
specifications
Undemze
uillt
mm
in
Bearing
Camshaft
bearing
Finish
of
camshaft
Camshaft
journal
to
Finish
of
camshaft
Bearing
size
bearing
inner
position
thickness
journal
diameter
bearing
clearance
diame
tee
Standard
1
565
to
1
585
43
783
to
43
796
0
037
to
0
060
43
833
to
43
843
0
0616
to
0
0624
I
7237
to
I
7242
0
0015
to
0
0024
I
7257
to
1
7261
0
25
1
90
to
1
710
43
233
to
43
2
0
037
to
0
060
43
283
to
43
293
0
0098
0
0665
to
0
0673
17021
to
I
7025
0
0015
to
0
0024
1
7041
to
1
7044
No
I
Under
0
50
1
815
to
1
835
43
283
to
43
296
0
037
to
0
060
43
333
to
43
343
size
0
0197
0
0715
to
0
0722
i
7041
to
I
7046
0
0015
to
0
0024
I
7060
to
I
7064
0
75
1
940
to
1
960
43
033
to
43
046
0
037
to
0
060
43
083
to
43
093
0
0295
0764
to
0
0772
1
6942
to
1
69
7
0
0015
to
0
0024
1
6962
to
1
6966
Standard
1
565
to
1
585
43
283
1043
296
0
027
to
0
050
43
323
to
43
333
0
0616
to
0
0624
I
7041
to
I
7046
0
00
II
to
0
0020
I
7056
to
1
7060
0
25
1
690
to
I
710
43
033
to
43
046
0
027
to
0
050
43
073
to
43
083
0
0098
0
0665
to
0
0673
1
6942
to
1
6947
0
00
II
to
0
0020
1
6958
to
1
6962
No
2
Under
0
50
1
815
to
1
835
42
783
to
42
796
0
Oi7
10
0
050
42
823
to
42
833
size
0
0197
0
0715
to
0
0722
1
6844
to
1
6849
0
00
II
to
0
OQ20
1
6859
to
1
6863
0
75
11
940
to
1
960
42
533
1042
546
0
027
to
0
050
42
573
to
42
583
0
0295
0
0764
to
0
0772
1
6745
to
1
6750
0
0011
to
0
0020
1
6761
to
1
6765
Standard
1
565
to
1
585
42
783
to
42
796
0
040
to
0
063
42
836
to
42
846
0
0616
to
0
0624
1
6844
to
1
6849
0
0016
to
0
0025
1
6865
to
1
6868
0
25
1
690
to
1
710
42
533
to
42
546
0
040
to
0
063
42
586
to
42
596
0
0098
0665
to
0
0673
1
6745
to
1
6750
0
0016
to
0
0025
1
6766
to
1
677
No
3
Under
0
50
1
815
to
1
835
42
283
to
42
296
0
040
to
0
063
42
336
to
42
346
size
0
0197
0
0715
to
0
0722
1
6647
to
1
6652
0
0016
to
0
0025
1
6668
to
1
6672
0
75
11
940
to
1
960
42
033
to
42
046
0
040
to
0
063
42
086
to
42
096
0
0295
0
0764
to
0
0772
1
6548
to
1
6554
0
0016
to
0
0025
1
6569
to
1
6573
Standard
1
565
to
1
585
42
283
to
42
296
0
027
to
0
050
42
323
to
42
333
0
0616
to
0
0624
1
6647
to
1
6652
0
00
II
to
0
0020
1
6663
to
1
6667
0
25
1
690
to
I
710
42
033
to
42
046
0
027
to
0
050
42
073
to
42
083
0
0098
0
0665
to
0
0673
1
6548
10
1
6554
0
0011
100
0020
1
6564
to
1
6568
No
4
Under
0
50
1
815
to
1
835
41
783
to
41
796
0
027
to
0
050
41
823
to
41
833
size
0
0197
0
0715
to
0
0722
1
6450
to
1
6455
0
00
II
to
0
0020
1
6466
to
1
6470
1
0
75
11
940
to
1
960
41
533
to
41
546
0
027
to
0
050
41
573
to
41
583
0
0295
0
0764
to
0
0772
1
6352
to
1
6357
0
00
II
to
0
0020
1
6367
to
1
6371
Standard
1
565
to
1
585
41
208
to
41
221
0
037
to
0
060
41
258
to
41
268
0
0616
to
0
0624
1
6224
to
1
6229
0
0015
to
0
0024
1
6243
to
1
6247
0
25
1
690
to
1
710
40
958
to
40
971
0
037
to
0
060
41
008
to
41
018
0
0098
0
0665
to
0
0673
1
6125
to
1
6130
0
0015
to
0
0024
1
6145
to
1
6149
No
5
Unoer
0
50
1
815
to
1
835
40
708
to
40
721
0
037
to
0
060
40
758
to
40
768
size
0
0197
0
0715
to
0
0722
1
6027
to
1
6032
0
0015
to
0
0024
1
6046
to
1
6050
1
0
75
11
940
to
1
960
40
458
to
40
471
0
037
to
0
060
40
508
to
40
518
0
0295
0
0764
to
0
0772
1
5928
to
1
5933
0
0015
to
0
0024
1
5948
to
1
5952
EM
24
Page 62 of 548
Engine
Mechanical
Camshaft
specifications
Valve
timing
Standard
Camshaft
bend
Less
than
oms
0
0006
Intake
36
200
to
36
250
I
4252
to
I
4272
Carn
height
Exhaust
36
930
to
36
980
I
4539
to
I
4559
5
65
0
2224
Intake
Cam
lobe
lift
I
Exhaust
5
92
0
2331
Difference
in
diameter
max
worn
and
min
worn
parts
of
camshaft
journal
0
03
to
0
07
0
0012
to
0
0028
Camshaft
end
play
om
to
0
05
0
0004
to
0
0020
ff
fif
ff
s
D
C
EM120
Unit
degree
a
b
248
d
e
c
14
54
20
256
EM
25
Unit
mm
in
Wear
repair
limit
0
05
0
0020
35
700
I
4055
36
430
1
4342
0
10
0
0039
0
10
0
0039
f
56
Page 63 of 548
CYLINDER
BLocK
t
60
2
36
20
0
79
I
100
CI
94
rJ
L
II
E9
I
Unit
mm
in
EM479
Cylinder
liner
for
service
4
0
0
157
Undersize
4
5
0
177
Undersize
Engine
MechanicliIl
Surface
flatness
Inner
diameter
Cylinder
bore
Out
of
round
X
V
Taper
A
B
Differential
in
inner
diameter
between
cylinders
Piston
to
cylinder
block
clearance
Outside
diameter
80
00
to
80
05
3
1496
to
3
1515
80
50
to
80
55
3
1692
to
3
1712
PISTON
PISTON
RING
AND
PISTON
PIN
Piston
e
e
5
51
co
ED
I
H
EM4S0
Standard
Over
size
0
50
0
0197
1
00
0
0394
EM
26
Standard
Less
than
0
05
0
0020
76
000
to
76
050
2
9921
to
2
994i
Less
than
O
oI5
0
0006
Less
than
O
oI5
0
0006
Less
than
0
05
0
OO20
0
025
to
0
045
0
0010
to
0
0018
Unit
riun
in
Inside
diameter
75
50
to
75
60
2
9724
to
2
9763
Piston
diameter
Unit
mm
in
Wear
limit
0
1
0
0039
0
20
0
0079
0
20
0
0079
Unit
mm
in
75
967
to
76
017
2
9908
to
2
9927
76
467
to
76
517
3
0105
to
3
0124
76
967
to
77
017
3
0301
to
3
0321
Page 64 of 548
Engine
Mechanical
Piston
ring
Unit
mm
in
Standard
Wear
limit
Top
0
04
to
0
07
0
0016
to
0
0028
0
10
0
0039
Side
clearance
2nd
0
03
to
0
06
0
0012
to
0
0024
Oil
Combined
Top
0
20
to
0
35
0
0079
to
0
0138
Ring
gap
2nd
0
15
to
0
30
1
00
0
0394
0
0059
to
0
0118
Oil
0
30
to
0
90
rail
ring
0
0118
to
0
0354
Piston
pin
Unit
mm
in
Interference
fit
of
piston
pin
to
connecting
rod
18
995
to
19
000
0
747
to
0
748
63
00
to
63
25
2
480
to
2
490
19
003
to
19
012
0
748
to
0
749
0
008
to
0
012
0
0003
to
0
0005
0
017
to
0
035
0
0006
to
0
0013
Piston
pin
diameter
Piston
pin
length
Piston
pin
hole
diameter
Piston
pin
to
piston
clearance
CONNECTING
ROD
Unit
mm
in
Standard
Repair
replace
limit
Center
distance
132
97
to
133
03
5
2350
to
5
2374
Bend
per
100
mm
or
3
94
in
length
Less
than
0
05
0
0020
0
10
0
0039
Torsion
per
100
mm
or
3
94
in
length
Big
end
play
Less
than
0
07
0
0028
0
1
to
0
2
0
004
to
0
008
0
4
0
016
EM
27
Page 65 of 548
Engine
Mechanical
CRANKSHAFT
1
Q
I
j
s
l
s
A
B
AI4
AI5
Unit
mm
in
Journal
diameter
A
c
r
49
951
to
49
964
h9666
to
1
967
1
Pin
diameter
8
44
961
to
44
974
I
7701
to
1
7706
EM777
8
38
45
to
38
55
1
5138
to
1
5177
Standard
Out
of
round
X
Y
Taper
A
B
Taper
and
out
of
round
of
Less
than
A
B
journal
and
crank
pin
0
005
0
0002
0
A
B
X
Y
Crankshaft
bend
Less
than
0
025
0
0010
Crankshaft
free
end
play
0
05
to
0
15
EM715
0
0020
to
0
0059
BEARING
Bearing
oil
clearance
Unit
mm
in
Standard
Wear
limit
Main
bearing
clearance
0
026
to
0
090
0
0010
to
0
035
0
10
0
0039
CO
llecting
rod
bearing
clearance
0
030
to
0
079
0
0012
to
0
0031
EM
28
40
95
to
41
05
1
6122
to
1
6161
Unit
mm
in
Wear
limit
0
03
0
0012
0
05
0
0020
0
30
0
0118