Infiniti F50. Manual - part 554

 

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Infiniti F50. Manual - part 554

 

 

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-103

C

D

E

F

G

H

I

J

K

L

M

A

EM

PISTON, PISTON RING AND PISTON PIN
Available Piston

Unit: mm (in)

Main journal inner 
diameter grade
(Without bearing)

Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 1
Grade No. 2

68.944 - 68.945 (2.7143 - 2.7144)
68.945 - 68.946 (2.7144 - 2.7144)
68.946 - 68.947 (2.7144 - 2.7144)
68.947 - 68.948 (2.7144 - 2.7145)
68.948 - 68.949 (2.7145 - 2.7145)
68.949 - 68.950 (2.7145 - 2.7146)
68.950 - 68.951 (2.7146 - 2.7146)
68.951 - 68.952 (2.7146 - 2.7146)
68.952 - 68.953 (2.7146 - 2.7147)
68.953 - 68.954 (2.7147 - 2.7147)
68.954 - 68.955 (2.7147 - 2.7148)
68.955 - 68.956 (2.7148 - 2.7148)
68.956 - 68.957 (2.7148 - 2.7148)
68.957 - 68.958 (2.7148 - 2.7149)
68.958 - 68.959 (2.7149 - 2.7149)
68.959 - 68.960 (2.7149 - 2.7150)
68.960 - 68.961 (2.7150 - 2.7150)
68.961 - 68.962 (2.7150 - 2.7150)
68.962 - 68.963 (2.7150 - 2.7151)
68.963 - 68.964 (2.7151 - 2.7151)
68.964 - 68.965 (2.7151 - 2.7152)
68.965 - 68.966 (2.7152 - 2.7152)
68.966 - 68.967 (2.7152 - 2.7152)
68.967 - 68.968 (2.7152 - 2.7153)

Difference in 
inner diameter 
between cylinders

Standard

Less than 0.03 (0.0012)

Piston skirt diameter “A”

Standard

Grade No. 1

92.980 - 92.990 (3.6606 - 3.6609)

Grade No. 2

92.990 - 93.000 (3.6609 - 3.6614)

Grade No. 3

93.000 - 93.010 (3.6614 - 3.6618)

0.20 (0.0079) oversize (Service)

93.180 - 93.210 (3.6685 - 3.6697)

“H” dimension

42 (1.65)

Piston pin bore diameter

Grade No.0

21.993 - 21.999 (0.8659 - 0.8661)

Grade No.1

21.999 - 22.005 (0.8661 - 0.8663)

Piston clearance to cylinder block

Standard

0.010 - 0.030 (0.0004 - 0.0012)

Limit

                                0.08 (0.0031)

PBIC0188E

EM-104

SERVICE DATA AND SPECIFICATIONS (SDS)

Piston Ring

Unit: mm (in)

Piston Pin

Unit: mm (in)

CONNECTING ROD

Unit: mm (in)

*: After installing in connecting rod

Items

Standard

Limit

Side clearance

Top

0.045 - 0.080 (0.0018 - 0.0031)

0.11 (0.0043)

2nd

0.030 - 0.070 (0.0012 - 0.0028)

0.10 (0.004)

Oil ring

0.065 - 0.135 (0.0026 - 0.0053)

End gap

Top

0.22 - 0.32 (0.0087 - 0.0126)

0.56 (0.0220)

2nd

0.22 - 0.32 (0.0087 - 0.0126)

0.52 (0.0205)

Oil (rail ring)

0.20 - 0.60 (0.0079 - 0.0236)

0.96 (0.0378)

Piston pin outer diameter

Grade No.0

21.989 - 21.995 (0.8657 - 0.8659)

Grade No.1

21.995 - 22.001 (0.8659 - 0.8662)

Interference fit of piston pin to piston

Standard

0.002 - 0.006 (0.0001 - 0.0002)

Piston pin to connecting rod bushing clearance

Standard

0.005 - 0.017 (0.0002 - 0.0007)

Center distance

146.95 - 147.05 (5.79 - 5.79)

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 diame-
ter*

Grade No. 0

22.000 - 22.006 (0.8661 - 0.8664)

Grade No. 1

22.006 - 22.012 (0.8664 - 0.8666)

Connecting rod big end inner diameter

55.000 - 55.013 (2.1654 - 2.1659)

Side clearance

Standard

0.20 - 0.35 (0.0079 - 0.0138)

Limit

0.40 (0.0157)

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-105

C

D

E

F

G

H

I

J

K

L

M

A

EM

CRANKSHAFT

Unit: mm (in)

Main journal dia. “Dm” grade 
(No.1 and 5)

Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 1
Grade No. 2
Grade No. 3
Grade No. 4
Grade No. 5
Grade No. 6
Grade No. 7
Grade No. 9

63.963 - 63.964 (2.5182 - 2.5183)
63.962 - 63.963 (2.5182 - 2.5182)
63.961 - 63.962 (2.5181 - 2.5182)
63.960 - 63.961 (2.5181 - 2.5181)
63.959 - 63.960 (2.5181 - 2.5181)
63.958 - 63.959 (2.5180 - 2.5181)
63.957 - 63.958 (2.5180 - 2.5180)
63.956 - 63.957 (2.5179 - 2.5180)
63.955 - 63.956 (2.5179 - 2.5179)
63.954 - 63.955 (2.5179 - 2.5179)
63.953 - 63.954 (2.5178 - 2.5179)
63.952 - 63.953 (2.5178 - 2.5178)
63.951 - 63.952 (2.5178 - 2.5178)
63.950 - 63.951 (2.5177 - 2.5178)
63.949 - 63.950 (2.5177 - 2.5177)
63.948 - 63.949 (2.5176 - 2.5177)
63.947 - 63.948 (2.5176 - 2.5176)
63.946 - 63.947 (2.5176 - 2.5176)
63.945 - 63.946 (2.5175 - 2.5176)
63.944 - 63.945 (2.5175 - 2.5175)
63.943 - 63.944 (2.5174 - 2.5175)
63.942 - 63.943 (2.5174 - 2.5174)
63.941 - 63.942 (2.5174 - 2.5174)
63.940 - 63.941 (2.5173 - 2.5174)

Main journal dia. “Dm” grade 
(No.2, 3 and 4)

Grade No. A
Grade No. B
Grade No. C
Grade No. D
Grade No. E
Grade No. F
Grade No. G
Grade No. H
Grade No. J
Grade No. K
Grade No. L
Grade No. M
Grade No. N
Grade No. P
Grade No. R
Grade No. S
Grade No. T
Grade No. U
Grade No. V
Grade No. W
Grade No. X
Grade No. Y
Grade No. 1
Grade No. 2

63.963 - 63.964 (2.5182 - 2.5183)
63.962 - 63.963 (2.5182 - 2.5182)
63.961 - 63.962 (2.5181 - 2.5182)
63.960 - 63.961 (2.5181 - 2.5181)
63.959 - 63.960 (2.5181 - 2.5181)
63.958 - 63.959 (2.5180 - 2.5181)
63.957 - 63.958 (2.5180 - 2.5180)
63.956 - 63.957 (2.5179 - 2.5180)
63.955 - 63.956 (2.5179 - 2.5179)
63.954 - 63.955 (2.5179 - 2.5179)
63.953 - 63.954 (2.5178 - 2.5179)
63.952 - 63.953 (2.5178 - 2.5178)
63.951 - 63.952 (2.5178 - 2.5178)
63.950 - 63.951 (2.5177 - 2.5178)
63.949 - 63.950 (2.5177 - 2.5177)
63.948 - 63.949 (2.5176 - 2.5177)
63.947 - 63.948 (2.5176 - 2.5176)
63.946 - 63.947 (2.5176 - 2.5176)
63.945 - 63.946 (2.5175 - 2.5176)
63.944 - 63.945 (2.5175 - 2.5175)
63.943 - 63.944 (2.5174 - 2.5175)
63.942 - 63.943 (2.5174 - 2.5174)
63.941 - 63.942 (2.5174 - 2.5174)
63.940 - 63.941 (2.5173 - 2.5174)

Pin journal dia. “Dp”

Grade No. 0

51.968 - 51.974 (2.0460 - 2.0462)

Grade No. 1

51.962 - 51.968 (2.0457 - 2.0460)

Grade No. 2

51.956 - 51.962 (2.0455 - 2.0457)

Center distance “r”

41.31 - 41.39 (1.6264 - 1.6295)

Out-of-round (X 

 Y)

Limit

0.015 (0.0006)

Taper (A 

 B)

Limit

0.010 (0.0004)

Runout [TIR*]

Limit

0.05 (0.0020)

EM-106

SERVICE DATA AND SPECIFICATIONS (SDS)

*: Total indicator reading

MAIN BEARING

Unit: mm (in)

Free end play

Standard

0.10 - 0.25 (0.0039 - 0.0098)

Limit

0.30 (0.0118)

SEM645

SEM715

Grade number

Thickness 

Identification color

(UPR/LWR)

Remarks

0

2.483 - 2.486 (0.0978 - 0.0979)

Black

Grade and color are the same 
for upper and lower bearings.

1

2.486 - 2.489 (0.0979 - 0.0980)

Brown

2

2.489 - 2.492 (0.0980 - 0.0981)

Green

3

2.492 - 2.495 (0.0981 - 0.0982)

Yellow

4

2.495 - 2.498 (0.0982 - 0.0983)

Blue

5

2.498 - 2.501 (0.0983 - 0.0985)

Pink

6

2.501 - 2.504 (0.0985 - 0.0986)

Purple

7

     2.504 - 2.507 (0.0986 - 0.0987)

                    White            

8

     2.507 - 2.510 (0.0987 - 0.0988)

                     Red

PBIC0189E

 

 

 

 

 

 

 

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