Nissan Silvia. Instruction — part 244
Cylinder Block
NMEM0033
Unit: mm (in)
SEM008D
SEM686DB
Surface flatness
Standard
Less than 0.03 (0.0012)
Limit
0.10 (0.0039)
Cylinder bore
Inner diameter
Standard
Grade No. 1
86.000 - 86.010 (3.3858 - 3.3862)
Grade No. 2
86.010 - 86.020 (3.3862 - 3.3866)
Grade No. 3
86.020 - 86.030 (3.3866 - 3.3870)
Wear limit
0.20 (0.0079)
Out-of-round (X − Y)
Less than 0.015 (0.0006)
Taper (A − B and A − C)
Less than 0.010 (0.0004)
Difference in inner diameter between cylin-
ders
Limit
Less than 0.05 (0.0020)
Main journal inner diameter
Grade No. 0
58.944 - 58.950 (2.3206 - 2.3209)
Grade No. 1
58.950 - 58.956 (2.3209 - 2.3211)
Grade No. 2
58.956 - 58.962 (2.3211 - 2.3213)
Grade No. 3
58.962 - 58.968 (2.3213 - 2.3216)
GI
MA
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Cylinder Block
EM-89
Piston, Piston Ring and Piston pin
NMEM0034
PISTON
NMEM0034S01
Unit: mm (in)
SEM750C
Piston skirt diameter “A”
Standard
Grade No. 1
85.980 - 85.990 (3.3850 - 3.3854)
Grade No. 2
85.990 - 86.000 (3.3854 - 3.3858)
Grade No. 3
86.000 - 86.010 (3.3858 - 3.3862)
0.20 (0.0079) oversize (Service)
86.180 - 86.210 (3.3929 - 3.3941)
“a” dimension
10.5 (0.413)
Piston clearance to cylinder block
0.010 - 0.030 (0.0004 - 0.0012)
Piston pin hole diameter
21.987 - 21.999 (0.8656 - 0.8661)
PISTON RING
NMEM0034S02
Unit: mm (in)
Side clearance
Top
Standard
0.045 - 0.080 (0.0018 - 0.0031)
Limit
0.1 (0.004)
2nd
Standard
0.030 - 0.065 (0.0012 - 0.0026)
Limit
0.1 (0.004)
Oil
Standard
0.065 - 0.135 (0.0026 - 0.0053)
Limit
—
Ring end gap
Top
Standard
0.20 - 0.30 (0.0079 - 0.0118)
Limit
0.39 (0.0154)
2nd
Standard
0.35 - 0.50 (0.0138 - 0.0197)
Limit
0.59 (0.0232)
Oil
Standard
0.20 - 0.60 (0.0079 - 0.0236)
Limit
0.69 (0.0272)
PISTON PIN
NMEM0034S03
Unit: mm (in)
Piston pin outer diameter
21.989 - 22.001 (0.8657 - 0.8622)
Interference fit of piston pin to piston
0 - 0.004 (0 - 0.0002)
Piston pin to connecting rod bushing clearance
Standard
0.005 - 0.017 (0.0002 - 0.0007)
Limit
0.023 (0.0009)
* Values measured at ambient temperature of 20°C (68°F)
SERVICE DATA AND SPECIFICATIONS (SDS)
Piston, Piston Ring and Piston pin
EM-90
Connecting Rod
NMEM0035
Unit: mm (in)
Center distance
136.25 - 136.35 (5.3642 - 5.3681)
Bend [per 100 (3.94)]
Limit
0.15 (0.0059)
Torsion [per 100 (3.94)]
Limit
0.30 (0.0118)
Connecting rod small end inner diameter
24.980 - 25.000 (0.9835 - 0.9843)
Piston pin bushing inner diameter*
22.000 - 22.012 (0.8661 - 0.8666)
Connecting rod big end inner diameter
51.000 - 51.013 (2.0079 - 2.0084)
Side clearance
Standard
0.20 - 0.35 (0.0079 - 0.0138)
Limit
0.5 (0.020)
*After installing in connecting rod
GI
MA
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
Connecting Rod
EM-91
Crankshaft
NMEM0036
Unit: mm (in)
Main journal dia. “Dm”
Grade No. 0
54.974 - 54.980 (2.1643 - 2.1646)
Grade No. 1
54.968 - 54.974 (2.1641 - 2.1643)
Grade No. 2
54.962 - 54.968 (2.1639 - 2.1641)
Grade No. 3
54.956 - 54.962 (2.1636 - 2.1639)
Pin journal dia. “Dp”
Grade No. 0
47.968 - 47.974 (1.8885 - 1.8887)
Grade No. 1
47.962 - 47.968 (1.8883 - 1.8885)
Grade No. 2
47.956 - 47.962 (1.8880 - 1.8883)
Center distance “r”
42.96 - 43.04 (1.6913 - 1.6945)
Out-of-round (X − Y)
Standard
Main journal
Less than 0.005 (0.0002)
Pin journal
Less than 0.0025 (0.0001)
Taper (A − B)
Standard
Main journal
Less than 0.005 (0.0002)
Pin journal
Less than 0.0025 (0.0001)
Runout [TIR]
Standard
Less than 0.025 (0.0010)
Limit
Less than 0.05 (0.0020)
Free end play
Standard
0.10 - 0.26 (0.0039 - 0.0102)
Limit
0.30 (0.0118)
SEM954C
EM715
SERVICE DATA AND SPECIFICATIONS (SDS)
Crankshaft
EM-92
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