Mitsubishi S12A2 - Page 50

2-8
Chapter 2 SERVICE DATA
Main bear-
ing
Thickness at
center
Standard
3.500
[0.1378]
3.482 to 3.500
[0.1371 to 0.1378]
3.450 [0.1358]
Under size
0.25 [0.0098]
3.625
[0.1427]
3.607 to 3.625
[0.1420 to 0.1427]
3.575 [0.1407]
0.50 [0.0197]
3.750
[0.1476]
3.732 to 3.750
[0.1469 to 0.1476]
3.700 [0.1457]
0.75 [0.0295]
3.875
[0.1526]
3.857 to 3.875
[0.1519 to 0.1526]
3.825 [0.1506]
1.00 [0.0394]
4.000
[0.1575]
3.982 to 4.000
[0.1568 to 0.1575]
3.950 [0.1555]
Thrust plate Thickness
Standard
5.00
[0.1969]
4.83 to 4.90
[0.1902 to 0.1929]
4.76 [0.1874]
Over size
0.25 [0.0098]
5.25
[0.2067]
5.08 to 5.15
[0.2000 to 0.2028]
5.01 [0.1972]
0.50 [0.0197]
5.50
[0.2165]
5.33 to 5.40
[0.2098 to 0.2126]
5.26 [0.2071]
0.75 [0.0295]
5.75
[0.2264]
5.58 to 5.65
[0.2197 to 0.2224]
5.51 [0.2169]
Crankcase
Distortion of top surface 0.1 [0.004] or less 0.20 [0.0079]
Inside diameter of main bearing bore ø137 [5.4]
137.000 to 137.025
[5.3937 to 5.3947]
137.045
[5.3955]
Depth of
counterbore
in crankcase
P/N:32608-00200
12.00 to 12.05
[0.4724 to 0.4744]
P/N:32608-00300
15.00 to 15.05
[0.5906 to 0.5925]
Height from journal center to top face
(reference value)
468.95 to 469.05
[18.4626 to 18.4665]
Unit: mm [in.]
Item
Nominal
value
Standard value Limit value Remarks